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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. Lisa Luke, M.D.
Dallas, TX · $66 in drug and device payments (2025) · (214) 820-3000
Dr. Loc Trieu, MD
Dallas, TX · $15 in drug and device payments (2025) · Telehealth · (972) 701-0199
Dr. Loren Albritton, DO
Dallas, TX · No drug or device payments recorded (2025) · (214) 947-6700
Dr. Louis Nardizzi, MD
Dallas, TX · No drug or device payments recorded (2025) · (214) 368-7787
Dr. Luis Cordero, MD
Dallas, TX · No drug or device payments recorded (2025) · (214) 590-8058
Dr. Lydia Bazzano, MD
Dallas, TX · $2,790 in drug and device payments (2025) · (214) 633-5555
Dr. Lydia Garcia, D.O.
Dallas, TX · No drug or device payments recorded (2025) · (214) 821-8867
Dr. Lyle Kaliser, M.D.
Dallas, TX · $97 in drug and device payments (2025) · (214) 692-8541
Dr. Lynda Chowdhury, M.D.
Dallas, TX · No drug or device payments recorded (2025) · (832) 264-1751
Dr. Madeeha Javed, DO
Dallas, TX · $29 in drug and device payments (2025) · (214) 947-2385
Dr. Madeline Rodriguez, MD
Dallas, TX · No drug or device payments recorded (2025) · Telehealth · (214) 590-8000
Dr. Madhu Patalay, M.D.,M.S. NUTRI.SCI.
Dallas, TX · $17 in drug and device payments (2025) · (214) 947-5950
Dr. Magda Hennes, M.D.
Dallas, TX · No drug or device payments recorded (2025) · (214) 645-7995
Dr. Mahboob Khan, MD
Dallas, TX · $623 in drug and device payments (2025) · Telehealth · (972) 274-5555
Dr. Mahendra Kakarla, MD
Dallas, TX · $297 in drug and device payments (2025) · (972) 296-6696
Dr. Malcolm Horne, M D
Dallas, TX · No drug or device payments recorded (2025) · (972) 386-9208
Dr. Malcolm Su
Dallas, TX · No drug or device payments recorded (2025) · (214) 590-8000
Dr. Mallory Pane, MD
Dallas, TX · No drug or device payments recorded (2025) · (402) 889-1353
Dr. Mamatha Kondapalli, M.D.
Dallas, TX · $25 in drug and device payments (2025) · (469) 774-1532
Dr. Mamta Gupta, MD
Dallas, TX · $2,744 in drug and device payments (2025) · (214) 821-8867
Dr. Manas Mewar, MD
Dallas, TX · $148 in drug and device payments (2025) · (214) 821-1177
Dr. Manik Aggarwal, M.D., M.P.H.
Dallas, TX · $1,453 in drug and device payments (2025) · Telehealth · (214) 823-4800
Dr. Manohar Vajja, MD
Dallas, TX · No drug or device payments recorded (2025) · (214) 886-8496
Dr. Manuel Tellez, D.O.
Dallas, TX · No drug or device payments recorded (2025) · (214) 947-7777
Dr. Marc Tribble, M.D.
Dallas, TX · $105,053 in drug and device payments (2025) · Telehealth · (214) 521-0100
Dr. Margaret Gavor, MD
Dallas, TX · $372 in drug and device payments (2025) · Telehealth · (214) 645-7500
Dr. Margaret Sowada, MD
Dallas, TX · No drug or device payments recorded (2025) · (972) 247-8391
Dr. Maria Clara Saad Menezes
Dallas, TX · No drug or device payments recorded (2025) · (214) 590-8000
Dr. Mariam Goolam Mahomed, MD
Dallas, TX · $14 in drug and device payments (2025) · (214) 947-6700
Dr. Maria Robinson, MD
Dallas, TX · No drug or device payments recorded (2025) · (214) 266-4000
Dr. Marilyn Horton, M.D.
Dallas, TX · $16 in drug and device payments (2025) · (214) 301-7071
Dr. Mark Chilton
Dallas, TX · No drug or device payments recorded (2025) · (214) 590-8000
Dr. Mark Johnston, M.D.
Dallas, TX · No drug or device payments recorded (2025) · (214) 361-5432
Dr. Mark Lyons, MD
Dallas, TX · $92 in drug and device payments (2025) · (214) 947-2385
Dr. Mark Nelson, M.D.
Dallas, TX · No drug or device payments recorded (2025) · (214) 857-2153
Dr. Marsden Rawlings, MD
Dallas, TX · $2,459 in drug and device payments (2025) · (214) 421-7848
Dr. Martha Hardee, M.D.
Dallas, TX · No drug or device payments recorded (2025) · (214) 382-5810
Dr. Martin Cohen, M.D.
Dallas, TX · $35 in drug and device payments (2025) · (214) 692-8541
Dr. Maruf Ali, M.D.
Dallas, TX · $53 in drug and device payments (2025) · (214) 345-8778
Dr. Marvetta Scott, M.D.
Dallas, TX · $93 in drug and device payments (2025) · Telehealth · (817) 381-6813
Dr. Maryam Ehtsham, MD
Dallas, TX · No drug or device payments recorded (2025) · (214) 947-2385
Dr. Mary Bluntzer, MD
Dallas, TX · No drug or device payments recorded (2025) · (972) 490-7800
Dr. Mary Caldwell, MD
Dallas, TX · $670 in drug and device payments (2025) · Telehealth · (214) 821-1177
Dr. Mary Mutua, M.D.
Dallas, TX · No drug or device payments recorded (2025) · (214) 742-8387
Dr. Mary Rivero-homer, MD
Dallas, TX · No drug or device payments recorded (2025) · (214) 266-0565
Dr. Mary Smith, MD
Dallas, TX · No drug or device payments recorded (2025) · (214) 590-8000
Dr. Matthew Davis, MD
Dallas, TX · $16 in drug and device payments (2025) · (972) 381-6690
Dr. Matthew Jordan, D.O.
Dallas, TX · No drug or device payments recorded (2025) · (214) 345-7999
Dr. Matthew Walser, MD
Dallas, TX · $148 in drug and device payments (2025) · (121) 463-3555
Dr. Maureen Gutierrez, M.D.
Dallas, TX · No drug or device payments recorded (2025) · (214) 865-7001

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.