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Gastroenterology in San Antonio, Texas

Data updated monthly · Last refresh September 2026

119 Gastroenterology providers practice in San Antonio, and 70% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Gastroenterology 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. Abhishek Challa
San Antonio, TX · $2,471 in drug and device payments (2025) · (210) 614-1234
Dr. Adrian Barron, M.D.
San Antonio, TX · $34 in drug and device payments (2025) · (210) 630-9245
Dr. Albert Manudhane, MD
San Antonio, TX · $257 in drug and device payments (2025) · Telehealth · (210) 358-4000
Dr. Alejandro Pruitt, MD
San Antonio, TX · $1,439 in drug and device payments (2025) · Telehealth · (210) 614-1234
Dr. Alexis Pavle, MD
San Antonio, TX · $503 in drug and device payments (2025) · (210) 358-9887
Dr. Alfredo Espinoza, MD
San Antonio, TX · $905 in drug and device payments (2025) · Telehealth · (210) 614-1234
Dr. Allan Parker, DO
San Antonio, TX · No drug or device payments recorded (2025) · (210) 450-9226
Dr. Allison Sirakos, M.D.
San Antonio, TX · $1,117 in drug and device payments (2025) · Telehealth · (210) 615-8308
Dr. Amit Goyal
San Antonio, TX · $709 in drug and device payments (2025) · (210) 253-3422
Dr. Amr Arar, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 614-1234
Dr. Anastacio Hoyumpa, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 257-1400
Dr. Andrew Han, M.D.
San Antonio, TX · $384 in drug and device payments (2025) · (210) 617-5300
Dr. Angel Gonzalez, MD
San Antonio, TX · $101 in drug and device payments (2025) · (210) 690-7400
Dr. Antonio Serna, MD
San Antonio, TX · $820 in drug and device payments (2025) · (210) 271-0606
Dr. Babusai Rapaka
San Antonio, TX · $299 in drug and device payments (2025) · Telehealth · (210) 614-1234
Dr. Balaji Ayyar
San Antonio, TX · $1,197 in drug and device payments (2025) · Telehealth · (210) 614-1234
Dr. Belinda Ramirez, M.D.
San Antonio, TX · $1,198 in drug and device payments (2025) · (210) 271-0606
Dr. Bijo John, MD
San Antonio, TX · $850 in drug and device payments (2025) · (210) 253-3422
Dr. Boris Blechacz, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 358-4000
Dr. Brenda Briones, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 358-4000
Dr. Cari Sorrell, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 450-9800
Dr. Cesar Sostre, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 257-1400
Dr. Chaithanya Mallikarjun, MD
San Antonio, TX · $2,095 in drug and device payments (2025) · Telehealth · (210) 268-0124
Dr. Charles Brady, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 450-9888
Dr. Charles Miller, M.D.
San Antonio, TX · $83 in drug and device payments (2025) · (210) 450-9800
Dr. Charles Randall, MD
San Antonio, TX · $125,557 in drug and device payments (2025) · Telehealth · (210) 615-8308
Dr. Chirag Patel, M.D.
San Antonio, TX · $2,706 in drug and device payments (2025) · (210) 614-1234
Dr. Clinton Polhamus, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 828-8400
Dr. Damodar Pandey, M.D.
San Antonio, TX · $1,175 in drug and device payments (2025) · (210) 271-0606
Dr. David Stump, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 615-8308
Dr. Desh Sharma, M.D.
San Antonio, TX · $807 in drug and device payments (2025) · (210) 405-3410
Dr. Donna Mcmyler, MD
San Antonio, TX · $1,524 in drug and device payments (2025) · Telehealth · (210) 614-1234
Dr. Eddie Flores, M.D.
San Antonio, TX · $649 in drug and device payments (2025) · Telehealth · (210) 271-0606
Dr. Elissa Lin
San Antonio, TX · $713 in drug and device payments (2025) · Telehealth · (210) 614-1234
Dr. Elizabeth Coss, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 450-9880
Dr. Eric Lawitz, M.D.
San Antonio, TX · $206,113 in drug and device payments (2025) · (210) 253-3426
Dr. Erin Spengler, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 271-0606
Dr. Ernesto Guerra, MD
San Antonio, TX · $1,682 in drug and device payments (2025) · Telehealth · (210) 271-0606
Dr. Farah Ladak, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 358-3344
Dr. Fred Goldner, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 614-1234
Dr. Fred Poordad, M.D.
San Antonio, TX · $193 in drug and device payments (2025) · (210) 253-3426
Dr. Gabriel Magraner, MD
San Antonio, TX · $43 in drug and device payments (2025) · (210) 450-9800
Dr. Gary Gossen, M.D.
San Antonio, TX · $342 in drug and device payments (2025) · Telehealth · (210) 615-8308
Dr. Gerald Green, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 490-0202
Dr. Glenn Gross, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 450-9880
Dr. Gregg Wendorf, M.D.
San Antonio, TX · $2,565 in drug and device payments (2025) · (210) 614-1234
Dr. Habeeb Salameh, MD
San Antonio, TX · $894 in drug and device payments (2025) · Telehealth · (210) 614-1234
Dr. Hari Sayana, MD
San Antonio, TX · $8,518 in drug and device payments (2025) · (210) 450-9000
Dr. Harsh Patel, M.D.
San Antonio, TX · $4,276 in drug and device payments (2025) · Telehealth · (210) 358-4000
Dr. Heather Franz, CNS
San Antonio, TX · $491 in drug and device payments (2025) · (210) 271-0606

Conditions Gastroenterology providers in San Antonio, Texas commonly treat

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

Common questions

How many Gastroenterology providers are in San Antonio, Texas?

There are 119 Gastroenterology providers with active NPI records practicing in San Antonio, according to federal NPPES data refreshed monthly.

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

83 of 119 (70%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Gastroenterology providers in San Antonio treat?

Gastroenterology providers in San Antonio commonly treat acid reflux, IBS, Crohn disease, ulcerative colitis, celiac disease 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 Gastroenterology 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.