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Internal Medicine Doctors in Texas

Data updated monthly · Last refresh October 2026

9,182 Internal Medicine providers practice in Texas, including 1,804 (20%) offering telehealth. The largest concentration is in Houston. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

9,182providers
1,804telehealth
Houstontop city

Internal Medicine by city in Texas

Choose a city to see providers there.

Internal Medicine in Houston1,496 providers
Internal Medicine in Dallas950 providers
Internal Medicine in San Antonio658 providers
Internal Medicine in Austin607 providers
Internal Medicine in Fort Worth394 providers
Internal Medicine in El Paso263 providers
Internal Medicine in Galveston217 providers
Internal Medicine in Plano209 providers
Internal Medicine in Temple195 providers
Internal Medicine in Tyler143 providers
Internal Medicine in Lubbock119 providers
Internal Medicine in Sugar Land108 providers
Internal Medicine in Arlington102 providers
Internal Medicine in Longview100 providers
Internal Medicine in Irving99 providers
Internal Medicine in Corpus Christi95 providers
Internal Medicine in Amarillo82 providers
Internal Medicine in Frisco81 providers
Internal Medicine in Harlingen73 providers
Internal Medicine in Webster70 providers
Internal Medicine in Odessa66 providers
Internal Medicine in Richardson62 providers
Internal Medicine in San Angelo61 providers
Internal Medicine in Round Rock61 providers

Internal Medicine providers in Texas

Listed by city, largest first. 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. 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
Dr. Isela Poy, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 257-1400
Dr. Jacob Nelson, DO
San Antonio, TX · No drug or device payments recorded (2025) · (210) 358-4000
Dr. Jacob Vosberg, DO
San Antonio, TX · $589 in drug and device payments (2025) · (210) 615-8003
Dr. Jacqueline Scala
San Antonio, TX · $108 in drug and device payments (2025) · (210) 567-7000
Dr. Jacquelyn Carter, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 408-7152
Dr. Jaime Moreno, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 225-5323
Dr. James Alvarez, MD
San Antonio, TX · $1,386 in drug and device payments (2025) · Telehealth · (210) 614-1234
Dr. James Cuvillier, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 358-4000
Dr. James Dinn, DO, MS
San Antonio, TX · $145 in drug and device payments (2025) · (210) 222-0333
Dr. James Goral, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 833-8907
Dr. James Henderson, M.D.
San Antonio, TX · $59 in drug and device payments (2025) · (210) 703-9001
Dr. James Leidner
San Antonio, TX · No drug or device payments recorded (2025) · (361) 218-6500
Dr. James Moore, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 576-0645
Dr. James Riesing, DO
San Antonio, TX · No drug or device payments recorded (2025) · (210) 916-5000

Conditions Internal Medicine providers in 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 Texas?

There are 9,182 Internal Medicine providers with active NPI records practicing in Texas, according to federal NPPES data refreshed monthly.

Do Internal Medicine providers in Texas offer telehealth?

Yes. 1,804 of the 9,182 Internal Medicine providers in Texas (about 20%) report offering telehealth services in CMS data.

Which cities in Texas have the most Internal Medicine providers?

Houston (1,496), Dallas (950), San Antonio (658) have the highest concentration of Internal Medicine providers in Texas.

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

3,948 of 9,182 Internal Medicine providers in Texas (43%) 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 Texas treat?

Internal Medicine providers 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 counts and profiles 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.

Do most Internal Medicine Doctors in Texas work in independent practices or large health systems?

Among 5,747 Internal Medicine Doctors in Texas enrolled in Medicare, 23% bill through a solo or small practice with fewer than 10 clinicians, 17% through a mid-size group of 10 to 99, and 60% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Internal Medicine Doctors in Texas work at?

According to CMS facility affiliation records, the Texas hospitals where the most Internal Medicine Doctors hold privileges are Memorial Hermann Hospital System in Houston; Baylor University Medical Center in Dallas; Houston Methodist Hospital in Houston.

Related reading on HealthcareDiscovery.AI

Internal Medicine in all 50 states Search all 9,182 in the directory Ask Zach for help choosing

Related

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. Are you a Internal Medicine in Texas? Get featured.