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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. Richard Hannigan, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 258-4625
Dr. Richard Keller, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 698-9841
Dr. Richard Reyna, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 225-4511
Dr. Richard Rubio, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 617-5300
Dr. Richard Skandis, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 617-5284
Dr. Roberta Ficke, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 916-2460
Dr. Robert Bass, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 817-4746
Dr. Robert Borrego, MD
San Antonio, TX · $470 in drug and device payments (2025) · (210) 822-5524
Dr. Robert Ching, DO
San Antonio, TX · $2,794 in drug and device payments (2025) · (210) 337-2600
Dr. Robert Jakubowski, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 237-4983
Dr. Robert Leverence, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 450-9100
Dr. Robert Nobles, M.D.
San Antonio, TX · $14 in drug and device payments (2025) · Telehealth · (210) 690-5511
Dr. Roberto Trevino, Jr., M.D.
San Antonio, TX · $38 in drug and device payments (2025) · (210) 225-2229
Dr. Robert Sims, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 344-2673
Dr. Robert Tavera, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 225-4511
Dr. Robert Trevino, DOCTOR
San Antonio, TX · No drug or device payments recorded (2025) · (210) 533-8886
Dr. Roger Bidondo Gil, M.D.
San Antonio, TX · $19 in drug and device payments (2025) · (210) 599-6000
Dr. Rommel Del Rosario, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 297-3000
Dr. Ronald Garcia, M.D.
San Antonio, TX · $2,362 in drug and device payments (2025) · (210) 614-7865
Dr. Ronald Wong, M.D.
San Antonio, TX · $24 in drug and device payments (2025) · (210) 924-7158
Dr. Roseann Miller, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 349-5577
Dr. Rosemary Castoreno, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 333-0733
Dr. Roxanna Llanos-vasquez, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 923-4372
Dr. Roy Bell, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 599-6000
Dr. Ruben Tenorio, D.O.
San Antonio, TX · $208 in drug and device payments (2025) · Telehealth · (210) 432-8871
Dr. Rudolfo Zarate, M.D.
San Antonio, TX · $278 in drug and device payments (2025) · Telehealth · (210) 587-8787
Dr. Rukayat Ajao, MD
San Antonio, TX · No drug or device payments recorded (2025) · (678) 707-0512
Dr. Ryan Duff, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 916-2153
Dr. Saad Mansoor, M.D.
San Antonio, TX · $303 in drug and device payments (2025) · Telehealth · (210) 358-4000
Dr. Saatchi Kuwelker
San Antonio, TX · $32 in drug and device payments (2025) · (210) 450-9800
Dr. Sabrina Harris, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 464-4950
Dr. Sabrina Seib, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 437-0884
Dr. Sadia Aslam, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 358-3555
Dr. Sahar Avestimehr, M.D.
San Antonio, TX · $53 in drug and device payments (2025) · (408) 375-0544
Dr. Samara Al Musawi, MD
San Antonio, TX · No drug or device payments recorded (2025) · Telehealth · (210) 674-6130
Dr. Sambit Gupta, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 277-8989
Dr. Samuel Dickman, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 736-2475
Dr. Samuel Rivera, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 358-7474
Dr. Sanjay Kumar, MD
San Antonio, TX · $1,607 in drug and device payments (2025) · (210) 681-0126
Dr. Santiago Martin Albo, MD
San Antonio, TX · $244 in drug and device payments (2025) · (210) 358-3555
Dr. Sarah Andry, DO
San Antonio, TX · $925 in drug and device payments (2025) · (210) 614-6000
Dr. Sarah Cameron, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 297-7000
Dr. Sarah Gillis, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 617-5300
Dr. Sarah Lapey, MD
San Antonio, TX · $124 in drug and device payments (2025) · (210) 358-9887
Dr. Sarah Schall, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 916-1500
Dr. Sara Lopez Llado, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 587-7965
Dr. Sara Mccamish, M.D.
San Antonio, TX · No drug or device payments recorded (2025) · (210) 826-2822
Dr. Scott Depaul, MD
San Antonio, TX · No drug or device payments recorded (2025) · (210) 617-5300
Dr. Scott Mcglynn, D.O.
San Antonio, TX · $86 in drug and device payments (2025) · (210) 297-4012
Dr. Sebastian Melo, M.D.
San Antonio, TX · $157 in drug and device payments (2025) · (210) 464-7563

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.