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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. Thanh Tran, M.D.
Dallas, TX · $41 in drug and device payments (2025) · Telehealth · (214) 645-7995
Dr. Theresa Eichenwald, MD
Dallas, TX · No drug or device payments recorded (2025) · (469) 804-8323
Dr. Thomas Bockman, MD
Dallas, TX · $50 in drug and device payments (2025) · (214) 566-6537
Dr. Thomas Fitzharris, MD
Dallas, TX · $143 in drug and device payments (2025) · (214) 321-6485
Dr. Tina Wald, M.D.
Dallas, TX · No drug or device payments recorded (2025) · (214) 742-8387
Dr. Tomas Rodriguez
Dallas, TX · $149 in drug and device payments (2025) · (214) 648-3433
Dr. Tom Dees, M.D.
Dallas, TX · No drug or device payments recorded (2025) · (214) 828-5020
Dr. Tom Hampton, M.D.
Dallas, TX · No drug or device payments recorded (2025) · (214) 363-2305
Dr. Tom Jones, DO
Dallas, TX · No drug or device payments recorded (2025) · (940) 442-5209
Dr. Tom Thayil, M.D.
Dallas, TX · $86 in drug and device payments (2025) · (972) 600-2223
Dr. Tonia Vinton, MD
Dallas, TX · $2,564 in drug and device payments (2025) · Telehealth · (214) 645-2900
Dr. Tonya Cooley, D.O
Dallas, TX · No drug or device payments recorded (2025) · (972) 889-8353
Dr. Traci Radford, MD
Dallas, TX · $1,344 in drug and device payments (2025) · (214) 821-8055
Dr. Tri Nguyen, MD
Dallas, TX · $2,603 in drug and device payments (2025) · (972) 733-3090
Dr. Troy Neal, M.D.
Dallas, TX · $1,388 in drug and device payments (2025) · (214) 823-4800
Dr. Tyler Argyle, DO
Dallas, TX · $918 in drug and device payments (2025) · (214) 947-6700
Dr. Tyler Reed, D.O.
Dallas, TX · $141 in drug and device payments (2025) · (214) 947-8181
Dr. Uma Elete, MD
Dallas, TX · No drug or device payments recorded (2025) · (214) 696-8033
Dr. Upasana Chandra, MD
Dallas, TX · $57 in drug and device payments (2025) · (214) 820-0111
Dr. Usman Afzal, MD
Dallas, TX · No drug or device payments recorded (2025) · (214) 590-8000
Dr. Uyen-thi Cao, MD
Dallas, TX · $2,942 in drug and device payments (2025) · (214) 821-1177
Dr. Uzma Hannan, MD
Dallas, TX · No drug or device payments recorded (2025) · Telehealth · (214) 590-8006
Dr. Valentine Ebuh, M.D
Dallas, TX · $32 in drug and device payments (2025) · (214) 947-2385
Dr. Valerie Liao, M.D.
Dallas, TX · $163 in drug and device payments (2025) · Telehealth · (972) 566-2886
Dr. Van Nguyen, MD
Dallas, TX · $41 in drug and device payments (2025) · (800) 849-3597
Dr. Vaqar Dar, MD
Dallas, TX · $125 in drug and device payments (2025) · (682) 236-3656
Dr. Venkata Koyya, M.D.
Dallas, TX · $59 in drug and device payments (2025) · (214) 217-1911
Dr. Veronica Zayas-torres
Dallas, TX · $19 in drug and device payments (2025) · Telehealth · (469) 828-5959
Dr. Victor Ron, MD
Dallas, TX · No drug or device payments recorded (2025) · (972) 620-2696
Dr. Vidya Nandipati, M.D.
Dallas, TX · No drug or device payments recorded (2025) · (469) 374-3850
Dr. Vijaya Mummadi, M.D.
Dallas, TX · $99 in drug and device payments (2025) · (469) 646-8880
Dr. Vivek Punjabi, MD
Dallas, TX · No drug or device payments recorded (2025) · (954) 939-5000
Dr. Vivian Agumadu, MD
Dallas, TX · No drug or device payments recorded (2025) · (214) 590-8000
Dr. Waymon Drummond, M.D.
Dallas, TX · $15 in drug and device payments (2025) · (214) 638-1773
Dr. Wei-han Tan, M.D.
Dallas, TX · No drug or device payments recorded (2025) · (214) 857-1757
Dr. Wei Tang, M.D., PH.D.
Dallas, TX · $567 in drug and device payments (2025) · Telehealth · (469) 800-9000
Dr. Weldon Smith, M.D.
Dallas, TX · $1,112 in drug and device payments (2025) · Telehealth · (469) 800-9000
Dr. William Christensen, M.D.
Dallas, TX · $457 in drug and device payments (2025) · Telehealth · (214) 828-5660
Dr. William Cox, M.D.
Dallas, TX · $164 in drug and device payments (2025) · Telehealth · (214) 363-6217
Dr. William Downs, MD
Dallas, TX · No drug or device payments recorded (2025) · (972) 566-7005
Dr. William Feingold, D.O.
Dallas, TX · $1,163 in drug and device payments (2025) · (214) 820-3000
Dr. William Giesing, MD
Dallas, TX · $361 in drug and device payments (2025) · (214) 947-2306
Dr. William Howard, M.D.
Dallas, TX · No drug or device payments recorded (2025) · Telehealth · (214) 375-6262
Dr. William Langmade, MD
Dallas, TX · No drug or device payments recorded (2025) · (214) 947-2306
Dr. Yili Wang, M.D.
Dallas, TX · $97 in drug and device payments (2025) · Telehealth · (972) 284-7000
Dr. Yixiao Chen, M.D.
Dallas, TX · $107 in drug and device payments (2025) · (214) 821-1177
Dr. Yousuf Kidwai, MD
Dallas, TX · $1,696 in drug and device payments (2025) · (832) 434-3922
Dr. Yu Lin Chung-nielsen, MD
Dallas, TX · No drug or device payments recorded (2025) · (214) 821-1193
Dr. Yunus Emre Tarhan, MD
Dallas, TX · No drug or device payments recorded (2025) · (214) 633-5555
Dr. Zachary Freeland, MD
Dallas, TX · $397 in drug and device payments (2025) · (214) 821-1177

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.