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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. Cassandra Key, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 344-2673
Dr. Celinah Olalowo, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 344-2673
Dr. Cesar Termulo, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 337-7934
Dr. Chandana Tripathy, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · Telehealth · (210) 450-9100
Dr. Chandra Annapureddy, M.D.
San Antonio, TX · $24 in drug and device payments (2025) · (210) 344-7287
Dr. Charles Briseno, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 224-4811
Dr. Charles Cervantes, MD
San Antonio, TX · $26 in drug and device payments (2025) · Telehealth · (210) 923-4343
Dr. Charles Griffin, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 699-2124
Dr. Charles Lawson, MD
San Antonio, TX · No drug or device payments recorded (2025) · Telehealth · (210) 450-9100
Dr. Chelsey Bravenec, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 450-9100
Dr. Cheryl King, M.D.
San Antonio, TX · $375 in drug and device payments (2025) · (210) 648-9500
Dr. Cho Khine, M.D
San Antonio, TX · $589 in drug and device payments (2025) · (210) 662-0076
Dr. Chrissy Navejar, DO
San Antonio, TX · No drug or device payments recorded (2025) · (210) 317-7209
Dr. Christiane Hennessee, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 358-3555
Dr. Christian Nguyen, MD
San Antonio, TX · $49 in drug and device payments (2025) · (210) 358-4000
Dr. Christian Pena, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 358-4000
Dr. Christopher Ajufo, M.D.
San Antonio, TX · $205 in drug and device payments (2025) · Telehealth · (440) 681-0664
Dr. Christopher Le
San Antonio, TX · $76 in drug and device payments (2025) · (210) 638-2000
Dr. Christopher Moreland, MD MPH
San Antonio, TX · No drug or device payments recorded (2025) · (210) 358-1944
Dr. Christopher Skalomenos, MD
San Antonio, TX · $367 in drug and device payments (2025) · (713) 500-6500
Dr. Cielo Manriquez, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 922-7000
Dr. Clarence Steels, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 297-4000
Dr. Claudia Maidana Paz, MD
San Antonio, TX · $162 in drug and device payments (2025) · (210) 874-3326
Dr. Claudia Ubinas Frias, MD
San Antonio, TX · $206 in drug and device payments (2025) · (210) 921-3800
Dr. Clorinda Zawacki, MD
San Antonio, TX · $139 in drug and device payments (2025) · (210) 916-0985
Dr. Colin Stafford
San Antonio, TX · $33 in drug and device payments (2025) · (210) 358-4000
Dr. Cristo Calle, INTERNAL MEDICINE
San Antonio, TX · No drug or device payments recorded (2025) · (210) 533-7000
Dr. Cybele Mathai, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 617-5300
Dr. Cynthia Cantu, D.O.
San Antonio, TX · No drug or device payments recorded (2025) · Telehealth · (210) 450-9901
Dr. Cynthia Castillo, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 358-4000
Dr. Daniel Bajwa
San Antonio, TX · No drug or device payments recorded (2025) · (210) 358-4000
Dr. Daniel Franks, DO
San Antonio, TX · No drug or device payments recorded (2025) · (210) 617-5300
Dr. Daniel Juarez, MD
San Antonio, TX · $1,354 in drug and device payments (2025) · Telehealth · (210) 220-3737
Dr. Daniel Muro, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 344-2673
Dr. Daniel Santillano, MD
San Antonio, TX · $153 in drug and device payments (2025) · (210) 558-6288
Dr. Darius Buzenas, M.D.
San Antonio, TX · $19,613 in drug and device payments (2025) · (210) 576-5306
Dr. Darlene Ramos, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 492-8922
Dr. David Bird, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 912-8587
Dr. David Montemayor, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 358-3555
Dr. David Nava, MD
San Antonio, TX · $1,184 in drug and device payments (2025) · (210) 921-3800
Dr. David Pearose, MD
San Antonio, TX · $33 in drug and device payments (2025) · (210) 358-4000
Dr. David Rothrock, D.O
San Antonio, TX · No drug or device payments recorded (2025) · (210) 358-3555
Dr. Dawn Langeland, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 358-4000
Dr. Dawn Rudd, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 364-9961
Dr. Deborah Baruch-bienen, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 617-5120
Dr. Deborah Villarreal, M.D.
San Antonio, TX · $18 in drug and device payments (2025) · (210) 723-9119
Dr. Debra Vasquez, M.D.
San Antonio, TX · $29 in drug and device payments (2025) · (210) 325-1222
Dr. Delia Bullock, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 358-3710
Dr. Dennis Murphree, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 490-9087
Dr. Dennis Oliver, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 690-2273

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.