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Internal Medicine in San Antonio, Texas

Data updated monthly · Last refresh September 2026

658 Internal Medicine providers practice in San Antonio, and 40% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in San Antonio

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Francisco Centeno, DO
San Antonio, TX · $15 in drug and device payments (2025) · (210) 916-5000
Dr. Francisco Rodriguez, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 924-7356
Dr. Frank Madla, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 576-5306
Dr. Fred Campbell, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 450-9020
Dr. Freddy Angulo, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 871-4701
Dr. Gabriela Brzankalski
San Antonio, TX · No drug or device payments recorded (2025) · (210) 576-5306
Dr. Geetha Nallamothu, M.D.
San Antonio, TX · $88 in drug and device payments (2025) · (210) 344-7287
Dr. Genieve Martinez-hernandez
San Antonio, TX · $32 in drug and device payments (2025) · (210) 292-4277
Dr. Geoff Weikle, DO
San Antonio, TX · $277 in drug and device payments (2025) · Telehealth · (210) 525-1668
Dr. George Ford Iii, M.D.F.A.C.P.
San Antonio, TX · $66 in drug and device payments (2025) · (210) 404-0000
Dr. George Nazarewicz, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 616-8380
Dr. George Rapier, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 617-4706
Dr. George Schneider, M D
San Antonio, TX · No drug or device payments recorded (2025) · (210) 491-9400
Dr. Georgina Saravia, DO
San Antonio, TX · No drug or device payments recorded (2025) · (210) 525-1668
Dr. Giti Azmabalani, DO
San Antonio, TX · No drug or device payments recorded (2025) · (210) 992-5298
Dr. Glen Mccreless
San Antonio, TX · No drug or device payments recorded (2025) · (210) 337-4921
Dr. Gopinath Chandrahasan, MD
San Antonio, TX · $50 in drug and device payments (2025) · (210) 344-2673
Dr. Gregorio Pedroza, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 490-9087
Dr. Gregory Brown, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 648-8200
Dr. Gregory Mccarroll, M.D.
San Antonio, TX · $127 in drug and device payments (2025) · Telehealth · (210) 614-7840
Dr. G Taylor, M D
San Antonio, TX · No drug or device payments recorded (2025) · (210) 223-9617
Dr. Guillermo Madero, MD
San Antonio, TX · $498 in drug and device payments (2025) · (210) 921-3800
Dr. Hai Pham, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 733-5072
Dr. Hameed Dosunmu, MD
San Antonio, TX · $99 in drug and device payments (2025) · (210) 593-0390
Dr. Harrison Yoo, M.D.
San Antonio, TX · $363 in drug and device payments (2025) · (210) 404-0000
Dr. Hasi Venkatachalam, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 257-1400
Dr. Hassan Ammar, DO
San Antonio, TX · $23 in drug and device payments (2025) · (210) 575-4000
Dr. Hayden Springer, DO
San Antonio, TX · $15 in drug and device payments (2025) · (210) 916-2153
Dr. Heberto Garza, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · Telehealth · (210) 824-3130
Dr. Hector Oyarzabal, MD PA
San Antonio, TX · $613 in drug and device payments (2025) · Telehealth · (210) 924-7331
Dr. Hector Tamayo, MD
San Antonio, TX · $134 in drug and device payments (2025) · (210) 521-6328
Dr. Henry Perkins, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 257-1400
Dr. Herbert Ingham, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 617-5284
Dr. Hernan Salazar, D.O.
San Antonio, TX · No drug or device payments recorded (2025) · Telehealth · (210) 614-7711
Dr. Himabindu Bandaru, MD
San Antonio, TX · No drug or device payments recorded (2025) · (614) 257-5741
Dr. Hoan Pho, MD
San Antonio, TX · $743 in drug and device payments (2025) · Telehealth · (210) 541-4164
Dr. Homero Arriola, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 337-4316
Dr. Hong Vu, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 662-0076
Dr. Hosam Abdallah, MD
San Antonio, TX · No drug or device payments recorded (2025) · (176) 721-0567
Dr. Howard Wells, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 614-0180
Dr. Hugo Castaneda, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 223-2601
Dr. Hugo Rojas, MD, PA
San Antonio, TX · $1,045 in drug and device payments (2025) · Telehealth · (210) 922-3627
Dr. Hugo Salinas, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 871-4701
Dr. Huma Khan, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 617-5311
Dr. Hunter Thornberg, DO
San Antonio, TX · No drug or device payments recorded (2025) · (210) 638-2000
Dr. Husna Bambo, M.D
San Antonio, TX · No drug or device payments recorded (2025) · (210) 575-8110
Dr. Ibiyinka Ladapo, MD
San Antonio, TX · $188 in drug and device payments (2025) · Telehealth · (210) 358-5100
Dr. Ida Juarez, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 576-5306
Dr. Idalys Santos Sanchez, MD
San Antonio, TX · $602 in drug and device payments (2025) · Telehealth · (210) 921-3800
Dr. In Seok Park, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 344-2673

Conditions Internal Medicine providers in San Antonio, Texas commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Internal Medicine providers are in San Antonio, Texas?

There are 658 Internal Medicine providers with active NPI records practicing in San Antonio, according to federal NPPES data refreshed monthly.

How many Internal Medicine providers in San Antonio received drug or device company payments?

261 of 658 (40%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Internal Medicine providers in San Antonio treat?

Internal Medicine providers in San Antonio commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties in San Antonio Internal Medicine across Texas

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.