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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. April Morales, DO
San Antonio, TX · $47 in drug and device payments (2025) · (726) 268-7468
Dr. Arham Siddiqui
San Antonio, TX · $221 in drug and device payments (2025) · (806) 471-4400
Dr. Aris Nikas, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 225-4511
Dr. Arlene Olaisen, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 733-5072
Dr. Arsen Zacharian, MD
San Antonio, TX · $17 in drug and device payments (2025) · (210) 358-4000
Dr. Artemio Ramirez, DO
San Antonio, TX · No drug or device payments recorded (2025) · (210) 344-2673
Dr. Arvind Kumar, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 699-2100
Dr. Asad Rehman, DO
San Antonio, TX · $658 in drug and device payments (2025) · (210) 450-9800
Dr. Ashwin Prabhu, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 732-3668
Dr. Assem Sherkawy, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 871-4701
Dr. Austin Rezigh
San Antonio, TX · No drug or device payments recorded (2025) · (210) 450-9000
Dr. Autumn Galbreath, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 575-8500
Dr. Averess Rickerson, M.D
San Antonio, TX · $208 in drug and device payments (2025) · (210) 646-7227
Dr. Aydin Turan, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 617-5300
Dr. Ayham Shneker, MD
San Antonio, TX · $826 in drug and device payments (2025) · (210) 447-3033
Dr. Aziz Tejani, M.D.
San Antonio, TX · $121 in drug and device payments (2025) · (210) 225-4511
Dr. Bao Ngoc Nguyen, MD
San Antonio, TX · $150 in drug and device payments (2025) · (210) 297-5000
Dr. Barbara Brault, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 655-8322
Dr. Barbara Fishman, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 257-1400
Dr. Barbara Roach, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 617-5300
Dr. Beatriz Talayero, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 641-6458
Dr. Benjamin Duong, DO, MPH
San Antonio, TX · No drug or device payments recorded (2025) · (210) 916-4355
Dr. Benjamin Prewitt, DO
San Antonio, TX · No drug or device payments recorded (2025) · (210) 874-3326
Dr. Bhagyalakshmi Arvapalli, M.D
San Antonio, TX · No drug or device payments recorded (2025) · (210) 617-5300
Dr. Bharath Pola, D.O.
San Antonio, TX · No drug or device payments recorded (2025) · Telehealth · (210) 237-4983
Dr. Bijan Oughatiyan, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 344-2673
Dr. Bradley Kayser, MD
San Antonio, TX · $90 in drug and device payments (2025) · (210) 614-4000
Dr. Bradley Shipman, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · Telehealth · (210) 824-3130
Dr. Brian Kanatzar, D.O.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 576-5306
Dr. Brian Treuhaft, DO
San Antonio, TX · No drug or device payments recorded (2025) · (210) 297-2311
Dr. Brian Winn, M.D.
San Antonio, TX · $748 in drug and device payments (2025) · Telehealth · (210) 225-2551
Dr. Bruce Sheplan, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 729-2262
Dr. Bryan Kennedy
San Antonio, TX · $1,328 in drug and device payments (2025) · Telehealth · (210) 705-5600
Dr. Cameron Crane, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 617-5300
Dr. Camilo Cardona Solano, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 358-3555
Dr. Carla Acra Despradel, M.D.
San Antonio, TX · $548 in drug and device payments (2025) · (210) 921-3800
Dr. Carla Santos Ortiz, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 871-4701
Dr. Carlos Carretero, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 224-4811
Dr. Carlos Correa, MD
San Antonio, TX · $863 in drug and device payments (2025) · (210) 977-8100
Dr. Carlos Garcia Monterroso, MD
San Antonio, TX · $925 in drug and device payments (2025) · (210) 921-3800
Dr. Carlos Hernandez, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 280-0040
Dr. Carlos Ramos Saenz
San Antonio, TX · No drug or device payments recorded (2025) · (210) 729-2262
Dr. Carmelita Rodriguez, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 924-7356
Dr. Carmen Cawley, MD
San Antonio, TX · $969 in drug and device payments (2025) · Telehealth · (210) 510-2141
Dr. Carmen Mascarenhas, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 531-5309
Dr. Carmen Perez, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 921-4200
Dr. Caroline Hernandez, MD
San Antonio, TX · No drug or device payments recorded (2025) · Telehealth · (210) 523-9933
Dr. Carol Menzel-anderson, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 495-0222
Dr. Casey Payne, DO
San Antonio, TX · No drug or device payments recorded (2025) · (210) 916-2460
Dr. Cassandra Gurgiolo-romero, M.D.
San Antonio, TX · $23 in drug and device payments (2025) · (210) 344-7287

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.