Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. William Thomas Gonzaba, MD

Individual provider Internal Medicine Physician · NPI 1548231905

Dr. William Thomas Gonzaba, MD is an Internal Medicine in San Antonio, Texas. Graduated from University of Texas Medical School at San Antonio in 1988, 38 years ago. Practices with Gmg Health Systems Associates PA, a 116-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
38
Trained at
University of Texas Medical School at San Antonio
Licensed in
TX
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

720 Pleasanton Rd
San Antonio, TX 78214-1306
Phone: (210) 921-3800
Fax: (210) 921-6620
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence K9789 (TX)

Record details

NPI number1548231905
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 1, 2006
Last updated in NPPESJanuary 12, 2015

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO
Graduated 1988 (38 years in practice)
Group practice Gmg Health Systems Associates Pa — 116 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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