Measles Vaccine Information:
If your child has received all of the recommended vaccines, you do not need to worry. The measles vaccine is a two dose series. The first dose is given at 12-15 months of age, and the second dose is given between 4 to 6 years of age.
If you are uncertain whether your child is current with their measles vaccinations, please check your child’s immunization records for the entry labeled MMR (Measles, Mumps, and Rubella).
YOUR MEDICAL HOME
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YOUR MEDICAL HOME
Want to make an appointment?
CALL US Monday through Friday
Hablamos Español
Pediatrics
Physicals
Immunizations
Child Health Step/EPSDT
Sick Visits
Routine follow-up care
Vision & Hearing Screenings
Allergy Treatment
Lab Services
8:00 AM – 5:00 PM Monday – Friday
3327 Research Plaza, Suite 307
San Antonio, TX 78235
Johana Miranda Rangel, R.Ph
| Position: | Pharmacist |
| Practice: | Pharmacist |
| Native: | Monterrey, Nuevo Leon, Mexico |
| Education: | UIW FEIK School of Pharmacy, San Antonio, Texas |
| Certification: | Texas State Board of Pharmacy |
| Language: | English & Spanish |
Emily Jetter, R.Ph.
| Position: | Pharmacist |
| Practice: | Pharmacist |
| Native: | San Antonio, Texas |
| Education: | University of Texas, Austin, Texas |
| Language: | English & Spanish |
Alvino Arredondo, Jr, R.Ph.
| Position: | Pharmacist |
| Practice: | Pharmacist |
| Native: | San Antonio, Texas |
| Education: | University of Houston College of Pharmacy, Houston, Texas Our Lady of the Lake University, San Antonio, Texas Support |
| Language: | English & Spanish |
M. Margot Cevallos, R.Ph.
| Title: | Behavioral Health Provider |
| Position: | Behavioral Health Provider |
| Practice: | Counselor |
| Native: | Laredo, Texas |
| Education: | University of Texas at San Antonio, San Antonio, Texas |
| Language: | English & Spanish |
Jennifer Velasquez, LCSW
| Position: | Behavioral Health Provider |
| Practice: | Counselor |
| Native: | Laredo, Texas |
| Location: | CentroMed South Park Medical |
| Education: | University of Texas at San Antonio, San Antonio, Texas |
| Certification: | Licensed Clinical Social Worker |
| Language: | English & Spanish |
Cynthia Mazuca, LCSW
| Position: | Behavioral Health Provider |
| Practice: | Counselor |
| Native: | San Antonio, Texas |
| Location: | CentroMed Palo Alto Clinic |
| Education: | Our Lady of the Lake University, San Antonio, Texas |
| Certification: | Licensed Clinical Social Worker |
| Language: | English & Spanish |
Lisa Huizar, LCSW
| Position: | Behavioral Health Provider |
| Practice: | Counselor |
| Native: | El Paso, Texas |
| Location: | CentroMed City Center |
| Education: | University of Michigan at Ann Arbor, Michigan |
| Internship: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | Licensed Clinical Social Worker |
| Language: | English & Spanish |
Paulina Garza, LCSW
| Position: | Behavioral Health Provider |
| Practice: | Counselor |
| Native: | Laredo, Texas |
| Location: | CentroMed Berto Guerra Jr. Clinic |
| Education: | The University of Texas Rio Grande Valley, Edinburg, Texas |
| Certification: | Texas Behavioral Health Executive Council |
| Language: | English & Spanish |
Vanessa Delgado-Ramirez, LCSW
| Position: | Behavioral Health Provider |
| Practice: | Social Worker |
| Native: | San Antonio, Texas |
| Location: | CentroMed Berto Guerra Jr. Clinic |
| Education: | Our Lady of the Lake University, San Antonio, Texas |
| Certification: | Licensed Clinical Social Worker |
| Language: | English & Spanish |
Rosa Luinda Combs, LCSW
| Position: | Behavioral Health Provider |
| Practice: | Counselor |
| Native: | Brownsville, Texas |
| Location: | CentroMed Noemi Galvan Eling Clinic |
| Education: | Our Lady of the Lake University, San Antonio, Texas |
| Certification: | Licensed Clinical Social Worker |
| Language: | English & Spanish |
Adriana Uribe, DPM
| Position: | Physician |
| Practice: | Podiatry |
| Native: | Chicago, Illinois |
| Location: | CentroMed South Park Medical |
| Education: | William M. School College of Podiatric Medicine, Chicago, Illinois University of Illinois at Chicago, Chicago, Illinois |
| Residency: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Language: | English & Spanish |
Michael D. Stevens, OD, FAAO
| Position: | Optometrist |
| Practice: | Optometry |
| Native: | Millsboro, Delaware |
| Location: | CentroMed Palo Alto Clinic |
| Education: | Pennsylvania College of Optomerty, Elkins Park, Pennsylvania |
| Language: | English |
Asael Rodriguez, RDH
| Position: | Dental Hygienist |
| Practice: | Dental Hygienist |
| Native: | San Antonio, Texas |
| Location: | CentroMed Southside Medical CentroMed South Park Dental |
| Education: | UT Health of San Antonio, San Antonio, Texas |
| Certification: | Registered Dental Hygienist |
| Language: | English & Spanish |
Anita Parra Pesina, RDH
| Position: | Dental Hygienist |
| Practice: | Dental Hygienist |
| Native: | Hondo, Texas |
| Location: | CentroMed South Park Dental |
| Education: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | Registered Dental Hygienist |
| Language: | English & Spanish |
Matthew Ortiz, RDH
| Position: | Dental Hygienist |
| Practice: | Dental Hygienist |
| Native: | Eagle Pass, Texas |
| Location: | CentroMed Southside Medical CentroMed Palo Alto Clinic |
| Education: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | Registered Dental Hygienist |
| Language: | English & Spanish |
Leticia Montanez, RDH
| Position: | Dental Hygienist |
| Practice: | Dental Hygienist |
| Native: | Brownsville, Texas |
| Location: | CentroMed South Park Dental CentroMed Berto Guerra Jr. Clinic |
| Education: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | Registered Dental Hygienist |
| Language: | English & Spanish |
Halya Burns, RDH
| Position: | Dental Hygienist |
| Practice: | Dental Hygienist |
| Native: | San Antonio, Texas |
| Location: | CentroMed Noemi Galvan Eling Clinic |
| Education: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | Registered Dental Hygienist |
| Language: | English & Spanish |
Mansour Zarei, DDS
| Position: | Dental Provider |
| Practice: | General Dentist |
| Native: | San Antonio, Texas |
| Location: | CentroMed Noemi Galvan Eling Clinic |
| Education: | University of Texas Health Science Center San Antonio, San Antonio, Texas |
| Language: | English & Farsi |
Maria E. Villarreal, DDS
| Position: | Dental Provider |
| Practice: | General Dentist |
| Native: | San Angelo, Texas |
| Location: | CentroMed Noemi Galvan Eling Clinic |
| Education: | Southern Illinois University, Carbondale, Illinois University of Detroit Mercy, Detroit, Michigan |
| Certification: | Northeast Regional Board Certified Texas State Board Certified |
| Language: | English |
Starr Mayen, DDS
| Position: | Dental Provider |
| Practice: | General Dentist |
| Native: | Brownsville, Texas |
| Location: | CentroMed Southside Medical |
| Education: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | Nitrous Oxide, Level 1 Conscious Sedation |
| Language: | English & Spanish |
Angeline Luna, DDS
| Position: | Dental Provider |
| Practice: | General Dentist |
| Native: | San Angelo, TX |
| Location: | CentroMed South Thousand Oaks Clinic |
| Education: | University of Texas Health Science Center at San Antonio, San Antonio, TX |
| Certification: | Nitrous Oxide, Level 1 Sedation |
| Language: | English & Spanish |
Anwar Khan, DDS
| Position: | Dental Provider |
| Practice: | General Dentist |
| Native: | Vero Beach, Florida |
| Location: | CentroMed Palo Alto Clinic |
| Education: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | Nitrous Oxide |
| Language: | English, Pashto |
Gabriel Garza, DDS
| Position: | Dental Provider |
| Practice: | General Dentist |
| Native: | Roma, Texas |
| Location: | CentroMed Southside Medical CentroMed Maria Castro Flores Clinic |
| Education: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | General Dentist |
| Language: | English & Spanish |
Lourdes Comas, DMD
| Position: | Dental Provider |
| Practice: | General Dentist |
| Native: | Ponce, Puerto Rico |
| Location: | CentroMed South Park Dental |
| Education: | University of Puerto Rico Dental School, San Juan Puerto Rico |
| Language: | English & Spanish |
Heather Blackmond, DDS
| Position: | Dental Provider |
| Practice: | General Dentist |
| Native: | El Paso, Texas |
| Location: | CentroMed Berto Guerra Jr. Clinic |
| Education: | Arizona School of Dentistry & Oral Health, Mesa, Arizona |
| Certification: | Nitrous Oxide-Pending |
| Language: | English |
Pabitra Banskota, DDS
| Position: | Dental Provider |
| Practice: | General Dentist |
| Native: | Kathmandu, Nepal |
| Location: | CentroMed Berto Guerra Jr. Clinic |
| Education: | University of Texas Health Science Center at San Antonio Dental School, San Antonio, Texas |
| Certification: | Nitrous Oxide; Minimal Sedation |
| Language: | English, Nepali, and Hindi |
Eduardo Acosta
| Position: | Dental Provider |
| Practice: | General Dentist |
| Native: | Dodge City, Kansas |
| Location: | CentroMed South Park Dental |
| Education: | University of Colorado School of Dental Medicine, Aurora, Colorado |
| Internship: | Medical College |
| Language: | English & Spanish |
Vicente Canales, DDS
| Title: | Chief Dental Officers |
| Position: | Dental Provider |
| Practice: | General Dentist |
| Native: | San Antonio, Texas |
| Location: | CentroMed Southside Medical |
| Education: | University of Texas at San Antonio, San Antonio, Texas |
| Residency: | University of Texas at San Antonio, San Antonio, Texas University of Texas Health Science Center at San Antonio Dental School, San Antonio, Texas |
| Language: | English & Spanish |
Monika Thornton, MSN, APRN, FNP-C
| Position: | Advanced Practice Clinician |
| Practice: | Family Medicine |
| Native: | San Antonio, Texas |
| Location: | CentroMed Thousand Oaks Clinic |
| Education: | University of Texas Medical Branch, Galveston, Texas |
| Certification: | American Academy of Nurse Practitioners |
| Language: | English |
Delia Silvas, FNP-BC
| Position: | Advanced Practice Clinician |
| Practice: | Family Medicine |
| Native: | Crystal City, Texas |
| Location: | CentroMed Palo Alto Clinic |
| Education: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | Family Nurse Practitioner |
| Language: | English & Spanish |
Amanda Rodriguez, PA-C
| Position: | Advanced Practice Clinician |
| Practice: | Family Medicine |
| Native: | New Braunfels, Texas |
| Location: | CentroMed Noemi Galvan Eling Clinic |
| Education: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | National Commission on Certification of Physician Assistants |
| Language: | English & Spanish |
Amanda Miller, MPH, MPAS, PA-C, AAHIVS
| Position: | Advanced Practice Clinician |
| Practice: | Family Medicine |
| Native: | Rochester Hills, Michigan |
| Location: | CentroMed City Center |
| Education: | Western Michigan University, Kalamazoo, Michigan University of Texas Houston, Houston , Texas, University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | Physician Assistant from National Commission on Certification of Physician Assistants |
| Language: | English |
Robert Meyer, MSN, APRN, FNPC
| Position: | Advanced Practice Clinician |
| Practice: | Family Medicine |
| Native: | Gorr, Michigan |
| Location: | CentroMed Family First Clinic |
| Certification: | American Academy of Nurse Practitioners |
| Language: | English |
Angelica Lopez, FNP-C
| Position: | Advanced Practice Clinician |
| Practice: | Family Medicine |
| Native: | Dumas, Texas |
| Location: | CentroMed Palo Alto Clinic |
| Education: | Walden University, Minneapolis, Minnesota |
| Certification: | American Academy of Nurse Practitioners |
| Language: | English & Spanish |
Gencie L. Leonard, MSN, APRN, FNP-C
| Position: | Advanced Practice Clinician |
| Practice: | Family Medicine |
| Native: | San Antonio, Texas |
| Location: | CentroMed Sarah E. Davidson Clinic |
| Education: | Western Governors University, Salt Lake City, Utah |
| Certification: | American Association of Nurse Practitioners (AANP) |
| Language: | English |
Holly Lacy, FNP-C
| Position: | Advanced Practice Clinician |
| Practice: | Family Medicine |
| Native: | Minonk, Illinois |
| Location: | CentroMed Noemi Galvan Eling Clinic |
| Education: | Texas Tech Health Science Center, Lubbock, Texas |
| Certification: | American Academy of Nurse Practitioners |
| Language: | English, Pashto |
Maggie R. Hoover, PA-C
| Position: | Advanced Practice Clinician |
| Practice: | Family Medicine |
| Native: | Helena, Arkansas |
| Location: | CentroMed Sarah E. Davidson Clinic |
| Education: | Mountain State University, Beckley, West Virginia American Academy of Nurse Practitioner |
| Certification: | National Commission on Certification of Physician Assistant |
| Language: | English |
Luis F. Hernandez, PA
| Position: | Advanced Practice Clinician |
| Practice: | Family Medicine |
| Native: | Eagle Pass, Texas |
| Location: | CentroMed Palo Alto Clinic |
| Education: | UT Health San Antonio, San Antonio, Texas |
| Certification: | Physical Assistant |
| Language: | English & Spanish |
Victoria Gutierrez, MPH, MPAS, PA-C
| Position: | Advanced Practice Clinician |
| Practice: | Family Medicine |
| Native: | San Antonio, Texas |
| Location: | CentroMed Sarah E. Davidson Clinic |
| Education: | Texas A&M University School of Public Health, College Station, Texas University of North Texas Health Science Center at Fort Worth, Fort Worth, Texas |
| Certification: | National Committee on Certification of Physician Assistants; Master Physician Assistant Studies |
| Language: | English |
Martha G. Garza, FNP-BC
| Position: | Advanced Practice Clinician |
| Practice: | Family Medicine |
| Native: | Eagle Pass, Texas |
| Location: | CentroMed Southside Medical |
| Education: | University of Texas at Arlington, Arlington, Texas |
| Certification: | Family Nurse Practitioner |
| Language: | English & Spanish |
April Gallejos, APRN, FNP-C
| Position: | Advanced Practice Clinician |
| Practice: | Family Medicine |
| Native: | Laredo, Texas |
| Location: | CentroMed Family Medicine |
| Education: | University of Texas at Arlington, Arlington, Texas |
| Certification: | American Academy of Nurse Practitioners |
| Language: | English & Spanish |
Krystle De La Rosa, FNP-BC
| Position: | Advanced Practice Clinician |
| Practice: | Family Medicine |
| Native: | Boston, Massachusetts |
| Location: | CentroMed South Park Medical |
| Education: | Northeastern University, Boston Massachusetts; Regis College, Boston, Massachusetts |
| Certification: | American Academy of Nurse Practitioners |
| Language: | English & Spanish |
Adriana DaCosta, PA-C
| Position: | Advanced Practice Clinician |
| Practice: | Family Medicine |
| Native: | Corpus Christi, Texas |
| Location: | CentroMed Berto Guerra Jr. Clinic |
| Education: | Duke University, Durham, North Carolina |
| Certification: | National Commission on Certification of Physician Assistants |
| Language: | English & Spanish |
Nicole Colunga, FNP-C
| Position: | Advanced Practice Clinician |
| Practice: | Family Medicine |
| Native: | San Antonio, Texas |
| Location: | CentroMed Berto Guerra Jr. Clinic |
| Education: | Texas A&M University, Corpus Christi, Texas |
| Certification: | The American Academy of Nurse Practitioners |
| Language: | English |
Herman Castillo, DNP, FNP-C
| Position: | Advanced Practice Clinician |
| Practice: | Family Medicine |
| Native: | Eagle Pass, Texas |
| Location: | CentroMed South Park Medical |
| Education: | Rocky Mountain University of Health Professions, Provo, Utah |
| Certification: | Texas Board of Nursing |
| Language: | English & Spanish |
Carolina P. Calvo, MPAS, PA-C
| Position: | Advanced Practice Clinician |
| Practice: | Family Medicine |
| Native: | Forth Worth, Texas |
| Location: | CentroMed South Park Medical |
| Education: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | National Committee on Certification of Physician Assistants; Master Physician Assistant Studies |
| Language: | English & Spanish |
Tiffany Bruce, FNP-BC
| Position: | Advanced Practice Clinician |
| Practice: | Family Medicine |
| Native: | San Antonio, Texas |
| Location: | CentroMed Noemi Galvan Eling Clinic |
| Education: | Walden University, Minneapolis, Minnesota |
| Language: | English |
Sylvia Allen, FNP-C
| Position: | Physician |
| Practice: | Family Medicine |
| Native: | Del Rio, Texas |
| Location: | CentroMed Maria Castro Flores Clinic |
| Education: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | Family Nurse Practitioner |
| Language: | English & Spanish |
Daniella Afnani, PA-C
| Position: | Physician |
| Practice: | Family Medicine |
| Native: | Brownsville, Texas |
| Location: | CentroMed Southside Medical |
| Education: | University of North Health Science Center, Forth Worth, Texas |
| Certification: | National Commission on Certification of Physician Assistant |
| Language: | English & Spanish |
Ernesto Parra, MD, MPH
| Position: | Physician |
| Practice: | Family Medicine |
| Native: | Los Angeles, California |
| Location: | CentroMed Palo Alto Clinic |
| Education: | Harvard Medical School, Boston, Massachusetts University of Southern California Los Angeles, California, University of California in Los Angeles School of Public Health, Los Angeles, California |
| Residency: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | American Academy of Family Practice |
| Language: | English & Spanish |
Nonyerem N. Osuji, MD
| Position: | Physician |
| Practice: | Family Medicine |
| Native: | Houston, Texas |
| Location: | CentroMed Noemi Galvan Eling Clinic |
| Education: | University of Texas, Austin, Texas University of Texas Medical Branch, Galveston, Texas |
| Residency: | University of South Alabama, Mobile, Alabama Family Practice |
| Certification: | American Board of Family Medicine |
| Language: | English & French |
Cielo Manriquez, MD, FACP
| Position: | Internist |
| Practice: | Internal/Family Medicine |
| Native: | El Paso, Texas |
| Location: | CentroMed Thousand Oaks Clinic |
| Education: | The University of Texas Medical Branch at Galveston, Galveston, Texas |
| Residency: | University of New Mexico Health Science Center, Albuquerque, New Mexico |
| Language: | English and Spanish |
Spencer Lewis, MD
| Position: | Physician |
| Practice: | Family Medicine |
| Native: | Bakersfield, California |
| Location: | CentroMed Southside Medical |
| Residency: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | American Board of Family Medicine |
Rafael Hernandez Martinez, MD
| Position: | Physician |
| Practice: | Family Medicine |
| Native: | Seguin, Texas |
| Location: | CentroMed City Center |
| Education: | University of Texas, Austin, Texas Baylor College of Medicine, Houston, Texas |
| Internship: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Residency: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | American Board of Family Medicine |
| Language: | English & Spanish |
Hanaa Girgis, MD
| Position: | Physician |
| Practice: | Family Medicine |
| Native: | Egypt |
| Location: | CentroMed Family First Clinic |
| Education: | University of Toledo, Toledo, Ohio |
| Residency: | Christus Santa Rosa Family Medicine, San Antonio, Texas |
| Certification: | American Board of Family Medicine |
| Language: | English |
Veronica Betancur, MD
| Title: | Associate Chief Medical Officer |
| Position: | Physician |
| Practice: | Family Medicine |
| Native: | San Antonio, Texas |
| Location: | CentroMed Southside Medical |
| Education: | Brandeis University, Waltham, Massachusetts; RFUMS-The Chicago Medical School, Chicago, Illinois |
| Residency: | Christus Santa Rosa Family Medicine, San Antonio, Texas |
| Certification: | American Board of Family Medicine |
| Language: | English and Spanish |
Aysun Alagoz, MD
| Title: | Associate Chief Medical Officer |
| Position: | Physician |
| Practice: | Family Medicine |
| Native: | Irvine, California |
| Location: | CentroMed South Park Medical |
| Education: | University of California, Irvine, California |
| Residency: | University of California, Davis, California |
| Language: | English and some Spanish |
Norma G. Parra, MD, MPH
| Title: | Senior Vice President & Chief Medical Officer |
| Position: | Physician |
| Practice: | Family Medicine |
| Native: | Corpus Christi, Texas |
| Location: | CentroMed South Park Medical |
| Education: | Yale University New Haven, Connecticut Texas Tech Health Science Center Lubbock, Texas |
| Residency: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | American Board of Family Medicine |
| Language: | English & Spanish |
Mayra G. Peña, WHNP-BC
| Position: | Advanced Practice Clinician |
| Practice: | Women’s Health |
| Native: | San Antonio, Texas |
| Location: | CentroMed Southside Medical |
| Education: | University of Cincinnati, Cincinnati, Ohio |
| Certification: | Women’s Health Nurse Practitioner |
| Language: | English & Spanish |
Cristine Hernandez, FNP-C
| Position: | Advanced Practice Clinician |
| Practice: | Women’s Health |
| Native: | San Antonio, Texas |
| Location: |
CentroMed South Park Medical |
| Education: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Residency: | Tulane University, New Orleans, Louisiana |
| Certification: | American Academy of Nurse Practitioners |
| Language: | English & Spanish |
Scheel Nayar, DO, FACOG
| Position: | Physician |
| Practice: | Women’s Health |
| Native: | San Antonio, Texas |
| Location: | CentroMed Women’s Health Care |
| Education: | Des Moines University, Des Moines, Iowa |
| Residency: | Tulane University, New Orleans, Louisiana |
| Certification: | American Board of Obstetrics and Gynecology |
| Language: | English |
Isamarie Lora-Alcantara, MD
| Position: | Physician |
| Practice: | Women’s Health |
| Native: | Santo Domingo, Dominican Republic |
| Location: | CentroMed Noemi Galvan Eling Clinic |
| Education: | Instituto Tecnológico de Santo Domingo, Santo Domingo, Dominican Republic |
| Residency: | Lincoln Medical & Mental Health Center, Bronx, New York |
| Certification: | Board Certified in Obstetrics and Gynecology |
| Language: | English and Spanish |
Samantha Gonzalez Ramos, MD
| Position: | Physician |
| Practice: | Women’s Health |
| Native: | Caracas, Venezuela |
| Location: | CentroMed South Park Medical |
| Education: | Universidad Central de Venezuela, Capital, Venezuela |
| Residency: | BronxCare Health System, The Bronx, New York |
| Language: | English and Spanish |
Daniel A. Escobar-Jimenez, MD
| Position: | Physician |
| Practice: | Women’s Health |
| Native: | Cali, Colombia |
| Location: | CentroMed South Park Medical |
| Education: | Universidad del Valle, Cali, Colombia |
| Residency: | BronxCare Hospital System, Bronx, New York |
| Language: | English, Spanish and German |
Ana Maria Escobar-Botero, MD
| Position: | Physician |
| Practice: | Women’s Health |
| Native: | Cali, Colombia |
| Location: | CentroMed Southside Medical |
| Education: | Universidad del Valle, Cali, Colombia |
| Residency: | Northwell Health Staten Island University Hospital, Staten Island, New York |
| Language: | English & Spanish |
Ayisat Enifeni, MD
| Position: | Physician |
| Practice: | Women’s Health |
| Location: | CentroMed Noemi Galvan Eling Clinic |
| Education: | Ponce School of Medicine, Ponce, Puetro Rico University of Purerto Rico Rio Piedras Campus, San Juan Puetro Rico University of Minnesota, Minneapolis, Minnesota |
| Residency: | University of Puerto Rico Medical Science Campus, San Juan, Puerto Rico |
| Language: | English & Yoruba |
Herbert Guzman, MD, FACOG
| Title: | Director of OB |
| Position: | Physician |
| Practice: | Women’s Health |
| Location: | CentroMed Southside Medical |
| Education: | Ponce School of Medicine, Ponce, Puetro Rico University of Purerto Rico Rio Piedras Campus, San Juan Puetro Rico University of Minnesota, Minneapolis, Minnesota |
| Residency: | University of Puerto Rico Medical Science Campus, San Juan, Puerto Rico |
| Certification: | Board Certified in Obstetrics and Gynecology |
| Language: | English & Spanish |
Gina Padron, FNP-C
| Position: | Advanced Practice Clinician |
| Practice: | Pediatrics |
| Native: | El Paso, Texas |
| Location: | CentroMed SA Pediatrics Stone Oak |
| Education: | Walden University, Minneapolis, Minnesota |
| Certification: | The American Academy of Nurse Practitioners |
| Language: | English & Spanish |
Sheila Msengi, FNP
| Position: | Advanced Practice Clinician |
| Practice: | Pediatrics |
| Native: | Tanzania, East Africa |
| Location: | CentroMed SA Pediatrics Southeast |
| Education: | United States University, San Diego, California |
| Certification: | The American Academy of Nurse Practitioner; Advanced Practice Registered Nurse |
| Language: | English & Swahili |
Helen K. Morrison, CPNP-PC
| Position: | Advanced Practice Clinician |
| Practice: | Pediatrics |
| Native: | Cibolo, Texas |
| Location: | CentroMed SA Pediatrics Cibolo |
| Education: | Texas A&M University, College Station, Texas University of Alabama at Birmingham, Birmingham, Alabama |
| Certification: | Certified Pediatric Nurse Practitioner – Primary Care |
| Language: | English |
Ashley J. Lopez, C-PNP
| Position: | Advanced Practice Clinician |
| Practice: | Pediatrics |
| Native: | San Antonio, Texas |
| Location: | CentroMed SA Pediatrics Tri-County Crossing Phase II |
| Education: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | Pediatric Nurse Practitioner |
| Language: | English & Spanish |
Michelle Lewis, RN, MSN, C-PNP-PC
| Position: | Advanced Practice Clinician |
| Practice: | Pediatrics |
| Native: | Los Angeles, California |
| Location: | CentroMed SA Pediatrics Tri-County Crossing Phase II |
| Education: | Texas Tech University, Lubbock, Texas University of Texas Health Science Center at Houston, Houston, Texas |
| Certification: | Pediatric Nurse Practitioner |
| Language: | English & some Spanish |
Brittany Lewis, FNP-BC
| Position: | Advanced Practice Clinician |
| Practice: | Pediatrics |
| Native: | San Antonio, Texas |
| Location: | CentroMed SA Pediatrics Stone Oak |
| Certification: | Board Certified Family Nurse Practitioner |
Jennifer B. Hessock, CPNP-PC
| Position: | Advanced Practice Clinician |
| Practice: | Pediatrics |
| Native: | Chalmette, Louisiana |
| Location: | CentroMed SA Pediatrics Southwest |
| Education: | University of Florida, Gainesville, Florida |
| Certification: | Advanced Practice Registered Nurse |
| Language: | English |
Mary Hernandez, MSN, APRN, CPNP-PC
| Position: | Advanced Practice Clinician |
| Practice: | Pediatrics |
| Native: | San Antonio, Texas |
| Location: | CentroMed SA Pediatrics Southeast |
| Education: | University of Texas at El Paso, El Paso, Texas |
| Certification: | Certified Pediatric Nurse Practitioner – Primary Care |
| Language: | English |
Melissa Garcia, C-PNP
| Position: | Advanced Practice Clinician |
| Practice: | Pediatrics |
| Native: | San Antonio, Texas |
| Location: | CentroMed Palo Alto Clinic |
| Education: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | Pediatric Nurse Practitioner |
| Language: | English & Spanish |
Phelicia Ford-Ross, MSN, ARPN, FNP-C
| Position: | Advanced Practice Clinician |
| Practice: | Pediatrics |
| Native: | San Antonio, Texas |
| Location: | CentroMed SA Pediatrics Cibolo |
| Education: | University of Texas at Arlington, Arlington, Texas |
| Certification: | The American Academy of Nurse Practitioner; Advanced Practice Registered Nurse |
| Language: | English |
Jennifer Y. Dimas, APRN, CPNP-PC
| Position: | Advanced Practice Clinician |
| Practice: | Pediatrics |
| Native: | San Antonio, Texas |
| Location: | CentroMed SA Pediatrics Southwest |
| Education: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | Certified Pediatric Nurse Practitioner – Primary Care; Advanced Practice Registered Nurse |
| Language: | English & some Spanish |
Stephanie Aviles, MSN, APRN, CPNP-PC
| Position: | Advanced Practice Clinician |
| Practice: | Pediatrics |
| Native: | San Antonio, Texas |
| Location: | CentroMed Berto Guerra Jr. Clinic |
| Education: | University of Texas at El Paso, El Paso, Texas |
| Certification: | Pediatric Nurse Practitioner – Primary Care |
| Language: | English |
Celia Alviso, RN, C-PNP-PC
| Position: | Advanced Practice Clinician |
| Practice: | Pediatrics |
| Native: | Pampa, Texas |
| Location: | CentroMed SA Pediatrics Southwest |
| Education: | University of Texas Health Science Center, San Antonio, Texas |
| Certification: | Pediatric Nurse Practitioner |
| Language: | English & Spanish |
Pedro Zavala, MD
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | Brownsville, Texas |
| Location: | CentroMed Thousand Oaks Clinic |
| Education: | University of Austin, Austin, Texas Texas Tech Paul L. Foster School of Medicine, El Paso, Texas |
| Certification: | American Board of Pediatrics |
| Language: | English & Spanish |
Daniel “Dr. Dan” Vijjeswarapu, MD, FAAP
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | Guntur, India |
| Location: | CentroMed Southside Medical |
| Education: | Rangaraya Medical School, Kakinada, India |
| Residency: | McGovern Medical School at UT Health, Houston, Texas; UT Health San Antonio, San Antonio, Texas |
| Certification: | American Board of Pediatrics |
| Language: | English and Telugu |
Denise Uchoa, MD
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | Brazil |
| Location: | CentroMed SA Pediatrics Stone Oak |
| Education: | UNIFESO University, Rio de Janeiro, Brazil |
| Certification: | Texas Tech University at El Paso, El Paso, Texas |
| Language: | English, Spanish, Portuguese, & Italian |
Clevert Tseng, MD
| Title: | Associate Chief Medical Officer |
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | Huánuco, Peru |
| Location: | CentroMed SA Pediatrics Santa Rosa Pavilion |
| Education: | Universidad Peruana Cayetano, Heredia, Perú |
| Residency: | Doctors Hospital of Jackson, Jackson, City, Michigan |
| Certification: | American Board of Pediatrics |
| Language: | English & Spanish |
Daniel Trevino, MD
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | San Antonio, Texas |
| Location: | CentroMed SA Pediatrics Stone Oak |
| Education: | Wright State University, Dayton, Ohio |
| Residency: | Texas Tech University, Lubbock, Texas |
| Language: | English & Spanish |
Melissa Rodriguez, MD
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | Edinburg, Texas |
| Location: | CentroMed Palo Alto Clinic |
| Education: | The University of Texas at Austin, Austin, Texas |
| Residency: | Driscoll Children’s Hospital Pediatric Residency, Corpus Christi, Texas |
| Certification: | American Board of Pediatrics |
| Language: | English & Spanish |
Luis Rodriguez, MD
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | Blue Island, Illinois |
| Location: | CentroMed SA Pediatrics Promesa Building |
| Education: | Facultad de Medicina Universidad Autónoma de Nuevo León, Monterrey, México |
| Residency: | The University of Texas MD Anderson Cancer Center, Houston, Texas |
| Certification: | American Board of Pediatrics |
| Language: | English & Spanish |
Juliana L. Robles, MD
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | Eagle Pass, Texas |
| Location: | CentroMed Berto Guerra Jr. Clinic |
| Education: | Trinity University, San Antonio, Texas, Wake Forest School of Medicine, Winston-Salem, North Carolina |
| Residency: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | American Board of Pediatrics Certified |
| Language: | English & Spanish |
Hilda M. Rivera-Santiago, MD
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | San Juan, Puerto Rico |
| Location: | CentroMed Berto Guerra Jr. Clinic |
| Education: | George Washington University, Washington, DC |
| Residency: | University Pediatric Hospital, San Juan, Puerto Rico; University of Puerto Rico, San Juan, Puerto Rico |
| Certification: | American Board of Pediatrics |
| Language: | English & Spanish |
Prabhjot Randev, MD
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | Amritsar, Punjab, India |
| Location: | CentroMed Noemi Galvan Eling Clinic |
| Education: | Kasturba Medical College, Manipal, Karnataka, India |
| Residency: | Icahn School of Medicine at Mount Sinai, New York, New York |
| Certification: | Certification: American Board of Pediatrics |
| Language: | English, Hindi, Urdu & Punjabi |
Gabriel Perez, MD
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | San Antonio, Texas |
| Location: | CentroMed SA Pediatrics Sorrento Plaza |
| Education: | The University Medical Branch at Galveston, Galveston, Texas |
| Residency: | Scott & White Medical Center, Temple, Texas |
| Language: | English & Spanish |
Juan Parra, MD
| Position: | Physician |
| Practice: | Pediatrics |
| Location: | CentroMed Southside Medical |
| Education: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Residency: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | American Board of Pediatrics |
| Language: | English & Spanish |
Melody Muñoz , MD
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | Austin, TX |
| Location: | CentroMed Southside Medical |
| Education: | Rice University, Houston, TX, University of Texas Health Science Center at San Antonio, San Antonio, TX |
| Residency: | UT Southwestern Children’s Medical Center, Dallas TX |
| Certification: | Certification: American Board of Pediatrics |
| Language: | English & Spanish |
Ana M. Montanez-Concepcion, MD
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | San Juan, Puerto Rico |
| Location: | CentroMed SA Pediatrics Southeast |
| Education: | University of Puerto Rico, Rio Piedras Campus, San Juan, Puerto Rico |
| Residency: | University of Puerto Rico, Pediatric University Hospital, San Juan, Puerto Rico |
| Certification: | American Board of Pediatrics |
| Language: | English & Spanish |
Jessica L. Molina, MD
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | McAllen, Texas |
| Location: | CentroMed Noemi Galvan Eling Clinic |
| Education: | University of Texas Medical Branch, Galveston, Texas |
| Residency: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Certification: | American Board of Pediatrics Certified |
| Language: | English & Spanish |
Leah Mercado, MD
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | Manila, Philippines |
| Location: | CentroMed SA Pediatrics Sorrento Plaza |
| Education: | University of the East Ramon Magsaysay Medical Center, Manila, Philippines |
| Residency: | Driscoll Children’s Hospital, Corpus Christi, Texas |
| Certification: | American Board of Pediatrics |
| Language: | English & Tagalog |
Felix Koo, MD, Ph.D
| Position: | Physician |
| Practice: | Pediatrics |
| Location: | CentroMed SA Pediatrics New Braunfels |
| Education: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Residency: | University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Language: | English |
Rosalio Jalomo, MD
| Practice: | Pediatrics |
| Native: | Brownsville, Texas |
| Location: | CentroMed SA Pediatrics Southwest |
| Education: | Pan American University, Edinburg, Texas; University of Texas Health Science Center at San Antonio, San Antonio, Texas |
| Residency: | University of Texas Health Science Center at San Antonio, San Antonio, Texas; The Bexar County Hospital District, San Antonio, Texas |
| Language: | English & Spanish |
Soheir Girgis, MD
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | Cairo, Egypt |
| Location: | CentroMed Noemi Galvan Eling Clinic |
| Education: | Cairo University, Cairo, Egypt |
| Residency: | University of Illinois Medical Center, Chicago, Illinois Rush Presbyterian St. Luke Medical Center, Chicago, Illinois |
| Language: | English & Arabic |
Gerardo P. Enriquez, MD
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | Manila, Philippines |
| Location: | CentroMed Palo Alto Clinic |
| Education: | Faculty of Medical Science, Pinar del Rio, Cuba; Higher Institute of Medical Sciences of Havana, Havana, Cuba |
| Residency: | San Juan City Hospital, San Juan, Puerto Rico; Texas Tech University Health Science Center, El Paso, Texas |
| Language: | English, Filipino & some Spanish |
Yuly Carreras, MD, FAAP
| Title: | Associate Chief Medical Officer |
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | Dominican Republic |
| Location: | CentroMed SA Pediatrics New Braunfels |
| Education: | Instituto Tecnológico de Santo Domingo, Santo Domingo, Dominican Republic |
| Residency: | Lincoln Medical Center, Bronx, New York |
| Certification: | American Board of Pediatrics; Fellow American Academy of Pediatrics |
| Language: | English & Spanish |
Juan Carballo, MD
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | Fomento, Cuba |
| Location: | CentroMed City Center |
| Education: | Faculty of Medical Science, Pinar del Rio, Cuba; Higher Institute of Medical Sciences of Havana, Havana, Cuba |
| Residency: | San Juan City Hospital, San Juan, Puerto Rico; Texas Tech University Health Science Center, El Paso, Texas |
| Language: | English & Spanish |
Jennifer Bugna, MD
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | Bacolod City, Philippines |
| Location: | CentroMed South Park Medical |
| Education: | West Visayas State University, Iloilo, Philippines |
| Residency: | NYCHHC Woodhull Hospital, Brooklyn, New York |
| Certification: | American Board of Pediatrics |
| Language: | English & Spanish |
Joanne Bassali, MD
| Position: | Physician |
| Practice: | Pediatrics |
| Native: | Chicago, Illinois |
| Location: | CentroMed Noemi Galvan Eling Clinic |
| Education: | University of Illinois, Chicago, Illinois |
| Residency: | University of Texas in Houston, Houston, Texas |
| Certification: | American Board of Pediatrics |
| Language: | English & Spanish |
Arlene Williams-Brown,
Board Member
Ms. Arlene Williams-Brown is a consumer representative on the CentroMed Board of Directors. She joined the board in 2019. Ms. William-Brown has been a patient of CentroMed since 2012 and is very familiar with the needs of the community. Ms. Williams-Brown retired from City Public Service Energy and is an active member of First Baptist Church. She is an active participant in board meetings and functions and provides insightful information on patient needs.
Diana M. Torres,
Board Member
Ms. Diana is a Patient Care Technician that has worked at University Dialysis for over 10 years. She is responsible for assisting patients with vital signs and their dialysis treatments. She has over 17 years of experience working with dialysis patients for multiple companies and is well versed in the array of services provided to dialysis patients.
Ms. Torres graduated from Homer Hanna High School in Brownsville Texas and completed some college hours at Southmost Community College in Brownsville Texas. Ms. Torres has been a consumer board member since June 1994. Ms. Torres is quite active with CentroMed she attends various functions and dutiful in attending board meetings.
Nicolas ‘Nick’ Rangel, CPA
Board Member
Mr. Nicolas Rangel is the Chief Financial Officer of the East Foundation, where he is responsible for the finance, accounting and risk management strategies of the Foundation. Mr. Rangel has over 25 years of experience leading multidisciplinary finance and accounting teams in various industries, including financial services, oil field services, hospitality and high technology. Prior to joining the Foundation, he served as Chief Accounting Officer at SWBC and Director of Accounting Operations at Rackspace. Additionally, Mr. Rangel worked for the international public accounting firms of Arthur Andersen and Ernst & Young where he an expatriate in Mexico City for two years and in Rio de Janeiro, Brazil for six years.
Mr. Rangel joined the board of directors at CentroMed in 2017 where he has generously shared his knowledge of accounting as the board considers different policies. Mr. Rangel and his wife, Lorene, have five children.
Richard Perez, MPA
Board Member
Mr. Perez is an accomplished professional with remarkable achievements in public service. In his most recent appointment, Mr. Perez served as the 18th President and CEO of the 2,000-member San Antonio Chamber of Commerce. Mr. Perez attended schools in the South San Independent School District, a district located in the service area served by CentroMed. He received his Bachelor’s degree with a major in Urban and Regional Planning from Texas State University in San Marcos and a Master’s degree in Public Administration from the University of Kansas. Following graduate school, Mr. Perez served as Assistant to the City Manager for the City of Laredo. In 1998, he was appointed by the Clinton Administration as the Special Assistant to the Deputy Secretary of the U.S. Department of Housing and Urban Development, where he served until January 2001. Upon his return to San Antonio, he joined the family landscaping business and in 2004, Mr. Perez is married to Judy Lynn (Patterson) and they are the parents of three children: Clarissa, Elissa and Ricardo Antonio.
Mr. Perez was elected to the CentroMed Board of Directors in 2009. His leadership and overall participation on the Board has been outstanding. His knowledge of the San Antonio business community and civic leadership has been extremely helpful in advancing CentroMed.
Melinda Perez,
Board Member
Mrs. Perez is a consumer representative on the CentroMed Board of Directors. After serving in a prior term, Mrs. Perez rejoined the board in December of 2020. Mrs. Perez currently works for an elementary school at Southside ISD as an attendance clerk. She is responsible for ensuring every student is registered and attends school daily. Her job entails various duties, such as communication with parents, students, staff, and administration. Mrs. Perez has been a patient of CentroMed since 2015 and is knowledgeable of the health care needs of the community. Having had the privilege of taking care of her elderly parents for over 25 years, Mrs. Perez understands the challenges that the elderly community encounters. Mrs. Perez has been an excellent board member and uniquely qualified to represent a segment of the patient population the clinic serves. Mrs. Perez is honored to serve on the board and looks forward to making a positive difference at CentroMed.
Norma L. Green Gutiérrez, MBA, RT (N)
Board Member
Mrs. Norma L. Green Gutiérrez serves as Program Director in the Nuclear Medicine Science/Technology Division at the Ila Faye Miller School of Nursing and Health Professions, University of the Incarnate Word in San Antonio. Mrs. Green Gutiérrez received a Bachelor’s of Science in Nuclear Medicine Science from the University of Incarnate Word and a Masters of Business in Healthcare Management from Our Lady of the Lake University in San Antonio, Texas.
Ms. Green Gutiérrez has as served a consumer representative on the CentroMed Board of Directors since 1991. She and her family have been patients of CentroMed for over thirty years. During her time on the board, Ms. Green Gutiérrez has served on multiple committees serving with distinction and unmatched dedication. She provides quality input on many organizational policies and issues.
Elsa Gamboa,
Board Member
Ms. Elsa Gamboa is a consumer board member that joined the Board of Directors in 2020. Ms. Gamboa is a Certified Dental Assistant and a Registered Dental Assistant in Texas. For the past 39 years she had worked as a dental assistant and has served as a member of the Dental Assistant National Board for the past 30 years. She joined the board to be involved and to contribute to something bigger than oneself. She has enjoyed seeing the growth of the organization firsthand as a patient and a board member. Mrs. Gamboa enjoys attending community events, craft shows and creating arts and crafts herself. She enjoys being involved in community events.
Juan A. Chavira, PhD., JD
Board Member
Dr. Juan Antonio Chavira has a lengthy record of accomplishments both in educational attainment and in service to humanity. Upon earning a Bachelor of Arts Degree in Literature from the University of Houston, Dr. Chavira served in the Peace Corps followed by a one-year tour in Volunteers in Service to America (VISTA). He received his Master’s and Ph.D. degrees in Medical Sociology from the University of Texas at Austin. Dr. Chavira also earned a Juris Doctorate Law Degree at the University of Texas, School of Law in 1983. Dr. Chavira has taught at several universities, has published numerous research articles, and published a book. Dr. Chavira is officially retired but frequently provides lectures on his legal and sociological experiences to a variety of organizations and professional groups.
Dr. Chavira was appointed to the CentroMed Board of Directors in 2006 and serves as Chair of the board’s Health Services and Planning Committee where he provides leadership on the planning and delivery of health services and the development of policies. Dr. Chavira is a dedicated humanitarian lending his talents and support to advance human welfare.
Luz Cano,
Board Member
Mrs. Luz Cano is a Bilingual Elementary school teacher in the Harlandale Independent School District. She received her Bachelors in Interdisciplinary Studies from Texas A&M University – San Antonio. While at Texas A&M, she worked as a Peer Mentor with first-time college students. She also received the University Ring Award and the 2019 Outstanding Senior Award. Mrs. Cano is a graduate of Harlandale High School and is proud to teach in the school she attended.
Mrs. Cano was a teen mom while in high school but did not let her pregnancy stall or interrupt her education. She persevered and accomplished her goal in higher education. She has two children. Mrs. Cano is the first in her family to earn a college degree. She is a long-time patient of CentroMed. She began serving as a consumer board member in April of 2015. During her time with the board, she has served on the Health Services and Planning Committee providing valuable input on the type of services CentroMed provides and the experiences patients have while accessing care at CentroMed.
Lorraine Alaniz,
Board Member
Ms. Alaniz is a graduate of Harlandale Independent School District. She has worked at the school district as a school psychologist for 12 years. She works with students that have special needs and their parents. One of her primary goals is connecting parents with community resources. Every year, she helps coordinate with CentroMed to offer a symposium called “What’s Next” symposium. The goal of the program is to connect parents with resources once her special needs students have graduated from Harlandale High School. Ms. Alaniz has been a patient of CentroMed for several years. She was elected to the CentroMed Board of Directors in 2021 and has been very active in attending CentroMed-sponsored events and in all aspects of governance.
Elsa Martinez, CPA
Secretary
Ms. Elsa Martinez is Certified Public Accountant (CPA) and local business owner with over 25 years of experience in the garment Dry Cleaning and Laundry service industry. As owner of A&M Cleaners, Ms. Martinez maintains business relationships with individual and commercial customers including the U.S. Army Medical Command. Ms. Martinez received a Bachelor of Business Administration in Accounting from the University of Texas at San Antonio in 1996 and passed the CPA Examination in the same year. Ms. Martinez and her family have been patients of CentroMed for over 20 years. She joined the CentroMed Board of Directors as a consumer representative in 2014 and now serves as Board Secretary. She is an active board member sharing her business expertise. As an active patient with first-hand experience of the services CentroMed provides, Ms. Martinez provides insight into the patient’s experience as the board considers important policies.
Rudy M. Peña, ISA, G.G.
Second Vice Chair and Treasurer
Mr. Peña is the owner of Peña & Associates Appraisal and Jewelry Services. He received his Graduate Gemologist Certificate from the Gemological Institute of America (GIA) in Santa Monica, California. He is a Member of the International Gemological Alumni Association and former President of the International Society of Appraisers, San Antonio Chapter. He has served as expert witness and/or has provided appraisal services for governmental agencies, such as, the U.S. Marshals, Federal Bureau of Investigations (FBI), Internal Revenue Service (IRS), Homeland Security, and Drug Enforcement Agency (DEA).
Mr. Peña joined the CentroMed Board of Directors 2011 and now serves as 2nd Vice Chair and Treasurer. During his tenure, Mr. Peña has proven to be a dedicated and avid supporter of CentroMed. He actively participates in CentroMed events and freely shares his business expertise in his role as Board Treasurer.
Heriberto “Berto” Guerra, Jr.,
First Vice Chair
Mr. Guerra is Chairman and CEO of Avanzar Interior Technologies GP, LLC, an automotive interior manufacturing company. Mr. Guerra earned a Bachelor of Applied Arts and Sciences Degree in Interdisciplinary Management from Texas State University (TSU) in 1984 and was recognized as its Distinguished Alumnus in 2007. He and his wife, Tammy, have four children and nine grandchildren.
Mr. Guerra was elected to the board of directors of CentroMed 1999 and continues to serve as 1st Vice President. His commitment to CentroMed’s mission is most evident by his leadership, active participation in CentroMed activities, and his generosity. In recognition of his volunteer service and his remarkable leadership and success in raising funds to build a new clinic, the Board of Directors honored Mr. Guerra by naming a newly constructed Health and Wellness Center, The Berto Guerra Jr. Clinic.
Noemi Galván Eling, Esq
Board Chair
A graduate of the University of Texas, School of Law, Ms. Galván Eling devoted her career to the practice of law as a public interest attorney for the Bexar County Legal Aid and Texas Rio Grande Legal Aid in San Antonio. Ms. Galván Eling was awarded a Fulbright Fellowship to serve as an American Lecturer in Lima, Peru. She received her License from State Bar of Texas in November 1983 and is a member of the San Antonio Bar Association.
Ms. Galván Eling was initially appointed to the Board of Directors in 1984 and served six (6) years. Upon her return from her Fullbright engagement, the CentroMed Board re-appointed Ms. Galván Eling to the board in 1992 and elected her to leadership as Board Chairperson and continues to serve in that role. As a tribute to her dedicated service, the CentroMed Board of Directors honored her by naming its clinic on Walzem Road, the Noemi Galván Eling Clinic.
Clevert Tseng, MD
Associate Chief Medical Officer
Yuly Carreras, MD
Associate Chief Medical Officer
Veronica Betancur, MD
Associate Chief Medical Officer
Aysun Alagoz, MD
Associate Chief Medical Officer
Angelica Padilla, PHR, SHRM-CP
Associate Vice President – Human Resources
Angelica Padilla became a part of CentroMed’s executive team in June 2023, assuming the role of Associate Vice President of Human Resources. With a career spanning over 16 years, she has garnered extensive expertise in Human Resources across a wide spectrum of industries, including retail, healthcare, business services, logistics, metal manufacturing, and food manufacturing.
Angelica’s educational background includes a bachelor’s degree in business administration with a specialization in Accounting, as well as a Master of Business Administration, both earned from Texas A&M International University in Laredo, Texas. Her commitment to professional excellence is evident through her certification as a Professional in Human Resources by the HR Certification Institute (HRCI) since 2014 and her certification from the Society of Human Resource Management (SHRM) since 2015. She maintains active membership in SHRM, and she is currently affiliated with the San Antonio SHRM chapter.
David K. Amason,
Associate Vice President – Assistant Chief Information Officer
Raymond Wei, MS, FACHE
Vice President & Chief Information Officer
Raymond currently serves as Vice President & Chief Information Officer for El Centro del Barrio (CentroMed), a Federally Qualified Health Center located in San Antonio, Texas. He is responsible for managing the Information Technology and Health Informatics areas. Before assuming the role of CIO, he managed the Patient Navigation Center, pharmacy, and laboratory operations. Prior to joining CentroMed in 2010, Mr. Wei was Director of Strategic Planning and Physician Contracting for a major hospital system in San Antonio, Texas, with 14 years of progressive responsibility in areas including planning and business development, physician recruitment and contracting, operational and financial analysis, and social accountability and community benefits.
Mr. Wei is a Fellow of the American College of Healthcare Executives. He holds a Bachelor of Arts degree in Biochemistry from Rice University in Houston and a Master of Science degree in Health Care Administration from Trinity University in San Antonio. He currently serves on the Board of Directors for the Good Samaritan Community Services, and he previously served as Board chair of The Bexar County Community Health Collaborative and served on the Board of Directors for the San Antonio Area Chapter of the American Red Cross. On the home front, Mr. Wei enjoys spending quality time with his wife Christina and their five children.
Margarita Seaman, MHA, DDS
Vice President – Strategic Operations
Margarita Seaman joined Centromed’s executive team in August 2016. She has over 18 years of health care management experience, including practice management, healthcare consulting and hospital administration. Prior to Centromed, she served as Chief Operations Officer at Bandera Family Healthcare, Chief Operations Officer at Allerta Corp, and Director of a division of the Nix Healthcare System. Ms. Seaman has a strong background on financial management, revenue enhancement, business development, and compliance with federal and state requirements.
Ms. Seaman holds a degree in dentistry from Universidad Javeriana Escuela de Odontologia in Bogota, Colombia and a Masters in Health Care Administration from Trinity University in San Antonio, Texas.
In 2005, Dr. Seaman was selected as “40 under 40 Rising Stars of San Antonio” by The San Antonio Business Journal.
Carlos D. Gómez, MHA
Vice President – Regional Operations
Ana Maria Garza Cortez, MA
Senior Vice President & Chief Development Officer
Ana Maria Garza Cortez serves as the Senior Vice President and Chief Development Officer at CentroMed, a Federally Qualified Health Center in San Antonio. She is responsible for marketing, fundraising, public relations, customer service, event planning as well as overseeing the eligibility and outreach & enrollment departments. Ana Maria received her Bachelor of Arts in Public Administration from Our lady of the Lake University in San Antonio and her Master of Arts from Webster University – Fort Sam Houston in San Antonio. She serves as a leader on the Enroll SA/Get Bexar Covered Coalition, which is comprised of a group of local hospitals, community agencies, faith based organizations and many non-profits working to increase awareness about the Affordable Care Act and help people find healthcare options to meet their budgets. In March of 2016, Ana Maria was recognized by The White House as A Champion of Change for her leadership in promoting and assisting families to enroll in health coverage through the Affordable Care Act. She has served on several non-profit boards and currently serves on the board of directors with the Madonna Neighborhood Center and the Good Samaritan Center. Ana Maria and her husband Andres Cortez have two children.
Anna Serrano, DrPH, MBA
Senior Vice President & Chief Population Health Officer
Dr. Anna Serrano is the Senior Vice President and Chief Population Health Officer for El Centro del Barrio dba CentroMed, responsible for the agency’s Population Health Management program focused on the coordination of care delivery across populations to improve clinical and financial outcomes through disease management, case management and demand management. She also manages all aspects of the agency’s Compliance/Performance Improvement Program, grant procurement, existing service contracts to ensure compliance with performance, reporting and regulatory requirements and all activities related to organizational certifications and accreditations, including The Joint Commission and NCQA. Additionally, Dr. Serrano manages the agency’s Navigation Center, which houses the Nurse Triage Line, Medical Records Department, Referrals Department, Patient Appointment Line and Patient Care Coordination.
Inclusive of her time at CentroMed, Dr. Serrano has been working for FQHCs for over 20 years, serving in various roles along the way. She earned her Bachelors in Social Science through Florida State University, majoring in Sociology and Criminal Justice; her Master of Public Health through UTHSC-Houston School of Public Health, Master of Business Administration through Webster University, and her Doctorate of Public Health from the UTHSC-Houston School of Public Health.
Lawrence Charles “Chuck” Walzel, CPA
Senior Vice President & Chief Financial Officer
Chuck Walzel serves as Senior Vice President and Chief Financial Officer for El Centro del Barrio d/b/a CentroMed. In this capacity, he manages the financial strategy and accounting operations of a company with assets in excess of $61 million and an operating budget of more than $54 million which provides services to over 75,000 patients per year. Walzel is committed to maximizing profitability, productivity and efficiency, securing assets, assuring regulatory and GAAP compliance and developing strategies which support growth, liquidity, contingency reserves and conservative fiscal practices.
Walzel joined CentroMed in 1998 from The Center for Health Care Services where he served as the Chief Financial Officer. He joined the Center for Health Care Services in 1994 as Budget Manager and was promoted to Chief Financial Officer in 1996. Previously he spent 7 years at BancPlus Mortgage Corporation as a Senior Financial Analyst specializing in long range forecasting and portfolio acquisition modeling. Prior to that, he spent 3 years at Commerce Savings Association as an Accountant II in the Real Estate Owned / Commercial Foreclosure division and 2 years at American Mayflower Moving and Storage as a Staff Accountant.
In addition, Walzel has worked part-time evenings as an Adjunct Professor at San Antonio College from 1991-1994 in the Computer Information Systems school teaching spreadsheet design. He also worked as Adjunct Professor for the University of the Incarnate Word at the HEB School of Business from 2004-2007 teaching advanced corporate finance and governmental accounting.
Walzel holds a bachelor’s degree in accounting from Stephen F. Austin State University and a master of business administration degree from Webster University. He is also licensed as a Certificated Public Accountant with the Texas State Board of Public Accountancy.
Don Macaulay, MBA
Senior Vice President & Chief Operations Officer
Mr. Macaulay presently serves as Senior Vice President and Chief Operations Officer for CentroMed, a Federally Qualified Health Center providing medical and dental care, behavioral health services and other supportive health services through a network of 24 clinic sites that include Bexar and Comal Counties. Mr. Macaulay is responsible for the clinical operations for medical, dental, and behavioral health services throughout the organization. Other responsibilities include: optometry, WIC, adult day care, CentroMed’s Fitness Center, facilities management, and management of construction projects.
Prior to joining CentroMed, Mr. Macaulay held several management positions in hospitals with Humana and Columbia/HCA.
Mr. Macaulay presently serves as the board chair for the Healthcare Access San Antonio a non-profit organization that is the Health Information Exchange (HIE) for South Central Texas that includes a 22 county service area. Mr. Macaulay has served on the board since October 2011.
Mr. Macaulay earned a Bachelor of Business Administration in Finance from Texas Tech University in Lubbock, Texas and a Master of Business Administration from the University of Phoenix.
Norma G. Parra, MD
Senior Vice President & Chief Medical Officer
Dr Norma Parra is a Family Practice Physician. She joined CentroMed in 1991 and became Chief Medical Officer for CentroMed in 1993. CentroMed is a Federally Qualified Healthcare Center with 23 sites providing Primary Care in primarily medically underserved areas.
Dr Norma Parra received her Bachelor of Science degree from Yale University and her MD degree from Texas Tech Health Science Center. She fulfilled her Family Practice Residency requirements at University of Texas Health Science Center in San Antonio, Texas.
After Residency and prior to joining CentroMed, Dr Norma Parra worked with homeless population at Venice Family Clinic in Venice, California.
Dr Norma Parra is a member of Texas Academy of Family Practice, American Academy of Family Practice, Mexican American Hispanic Physicians Association and National Hispanic Medical Association (NHMA).
She currently serves as Board Member of NHMA and also serves on Utilization Review Committee and Pharmacy and Therapeutics Committee for Superior Health Plan.
Prior positions include Board Member for Ethics Committee of Bexar County Medical Society and Advisor for local Metro Health Department.
Awards include: Prudential Salute to Healthcare, Ford Salute to Education in Healthcare, Icon in Healthcare Award and Distinguished Women in Healthcare.
Dr Norma Parra was born and raised in Corpus Christi Texas. She is married to Dr Ernesto Parra and they have 3 children – Sonia, Elsa and Jaime.
Graciela Alarcon-Cigarroa, JD, LLM
General Counsel
Graciela A. Cigarroa is the General Counsel at El Centro del Barrio d/b/a CentroMed. Ms.Cigarroa provides inhouse counsel to the Board of Directors and staff members; reviews CentroMed’s legal documents, policies and contracts; designs and implements trainings for CentroMed staff; conducts federal and state statute, regulation, and policy analysis; performs privacy officer duties overseeing the organizations privacy policies and procedures; and assists with the implementation of the corporate compliance program addressing a variety of legal issues to enable compliant and efficient operations.
Ms. Cigarroa joined CentroMed in April of 2011 from the Law Office of Graciela A. Cigarroa. She has over 25 years of legal experience with a focus for the last 15 years on nonprofit and health law. She has been published and has been a frequent speaker in the area of HIPAA privacy law.
Ms. Cigarroa holds a Bachelor of Arts degree in political science from St. Mary’s University, a Juris Doctor degree from St. Mary’s University School of Law and a Master of Laws degree in tax law from Boston University School of Law. She is a fellow of the Texas Bar Foundation and sits on several community boards.
Ernesto Gómez, PhD.
President & CEO
Ernesto Gómez, Ph.D., is founder of El Centro del Barrio, now doing business as CentroMed. Dr. Gómez has served as the President and Chief Executive Officer at CentroMed since its inception in 1973 and now presides over a primary health care system that operates 27 ambulatory clinics in Bexar and Comal Counties and two (2) Fitness Centers. In 2022, CentroMed served 121,647 unduplicated patients involving 396,302 patient visits.
Dr. Gomez has served on numerous Board of Directors at the local, state and national levels. He has received numerous honors and awards for the work he has done in underserved communities. The most distinguishing honor he received is the “Well-being of Mankind” award presented by the Rockefeller Foundation. Gomez’s accomplishments include several publications in the social and behavioral sciences and in healthcare with special focus on the low income, uninsured populations.
Dr. Gomez is Professor Emeritus at Our Lady of the Lake University (OLLU) where, over the course of 37 years, he taught graduate level courses in research methods, quantitative methods, public policy, administration, human behavior, and social work practice. Dr. Gomez received his Doctorate of Philosophy from the University of Texas at Austin.
Updated: October 2023
