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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. 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
Dr. Dennis Ruff, M.D.
San Antonio, TX · $16 in drug and device payments (2025) · (210) 798-5112
Dr. Desiree Pappas
San Antonio, TX · No drug or device payments recorded (2025) · (352) 455-6799
Dr. Dhruti Patel, MD
San Antonio, TX · $197 in drug and device payments (2025) · (210) 358-4000
Dr. Diego Valencia-chavez, M.D
San Antonio, TX · $121 in drug and device payments (2025) · (210) 495-0224
Dr. Dina Goytia-leos, M.D.
San Antonio, TX · $137 in drug and device payments (2025) · (210) 598-6008
Dr. Divya Muthappa, M.D.
San Antonio, TX · $59 in drug and device payments (2025) · Telehealth · (210) 402-3456
Dr. Dominic Meza, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 344-2673
Dr. Dominique Yang-kim, D.O.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 750-8100
Dr. Doris Franco-vitteri, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 921-3800
Dr. Douglas Boyer, D.O.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 833-7621
Dr. Douglas Hilbert, MD
San Antonio, TX · $73 in drug and device payments (2025) · Telehealth · (210) 614-4000
Dr. Douglas Jenkins, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 224-1771
Dr. Douglas Owens, DVM, MS
San Antonio, TX · No drug or device payments recorded (2025) · (210) 930-8383
Dr. Douglas Valbuena Plaza, MD
San Antonio, TX · $1,346 in drug and device payments (2025) · (210) 921-3800

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

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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.