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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. David Peters, MD
Kerrville, TX · $376 in drug and device payments (2025) · Telehealth · (830) 258-7762
Dr. David Winkler, M.D.
Kerrville, TX · No drug or device payments recorded (2025) · (830) 896-5900
Dr. Deborah Scott, M.D.
Kerrville, TX · No drug or device payments recorded (2025) · (830) 896-2020
Dr. Don Murrmann, M.D.
Kerrville, TX · No drug or device payments recorded (2025) · (830) 895-3500
Dr. Dorothy Rosson, M.D.
Kerrville, TX · No drug or device payments recorded (2025) · (830) 258-7090
Dr. Ernesto Hernandez, M.D.
Kerrville, TX · No drug or device payments recorded (2025) · (830) 896-4200
Dr. Gary Shimotsu, M.D.
Kerrville, TX · No drug or device payments recorded (2025) · (830) 896-2020
Dr. Jack Swanzy, M.D.
Kerrville, TX · No drug or device payments recorded (2025) · (830) 896-2020
Dr. James Young, MD
Kerrville, TX · $26 in drug and device payments (2025) · (830) 258-7900
Dr. Jeanette Masek, M.D.
Kerrville, TX · No drug or device payments recorded (2025) · (830) 257-4124
Dr. Kathryn Figer
Kerrville, TX · No drug or device payments recorded (2025) · (830) 896-4200
Dr. Kelly Pelton, MD
Kerrville, TX · $241 in drug and device payments (2025) · (830) 792-0805
Dr. Klaus Schroeder, MD
Kerrville, TX · $145 in drug and device payments (2025) · (830) 258-7762
Dr. Loyd Graham, M.D.
Kerrville, TX · No drug or device payments recorded (2025) · (830) 257-5487
Dr. Michael Grocki, M.D.
Kerrville, TX · No drug or device payments recorded (2025) · (830) 257-1814
Dr. Michael Martin, MD
Kerrville, TX · No drug or device payments recorded (2025) · (830) 792-2626
Dr. Murray Colgin, MD
Kerrville, TX · No drug or device payments recorded (2025) · (830) 895-7676
Dr. Nancy Lawhorn, M.D.
Kerrville, TX · No drug or device payments recorded (2025) · (830) 258-7067
Dr. Oscar Miranda, MD
Kerrville, TX · No drug or device payments recorded (2025) · (830) 896-2211
Dr. Pamela Cantu, M.D.
Kerrville, TX · $75 in drug and device payments (2025) · (830) 258-7762
Dr. Paul Gravel, MD
Kerrville, TX · No drug or device payments recorded (2025) · (830) 258-6516
Dr. Scott Sanford, M.D.
Kerrville, TX · No drug or device payments recorded (2025) · (432) 349-9836
Dr. Sheryl Galt, M.D.
Kerrville, TX · No drug or device payments recorded (2025) · (830) 258-7067
Dr. Stephen Short, M.D.
Kerrville, TX · No drug or device payments recorded (2025) · (830) 792-2488
Dr. Thomas Brock, MD
Kerrville, TX · No drug or device payments recorded (2025) · (830) 896-2211
Dr. Valerie Chatham, M.D.
Kerrville, TX · No drug or device payments recorded (2025) · (830) 792-2481
Dr. William Morris, M.D.
Kerrville, TX · $14 in drug and device payments (2025) · (830) 258-7697
Dr. Atulkumar Patel, MD
Kilgore, TX · No drug or device payments recorded (2025) · (903) 984-2002
Dr. Surya Lanka, M.D.
Kilgore, TX · No drug or device payments recorded (2025) · (903) 984-7512
Dr. Ahadu Admassie, MD
Killeen, TX · No drug or device payments recorded (2025) · (254) 526-7523
Dr. Binu Sugunan, MD
Killeen, TX · No drug or device payments recorded (2025) · (254) 526-7523
Dr. Ediom Ogah
Killeen, TX · No drug or device payments recorded (2025) · (254) 526-7523
Dr. Emmanuel Okolo, MD
Killeen, TX · No drug or device payments recorded (2025) · Telehealth · (254) 526-7523
Dr. Erin Reed
Killeen, TX · No drug or device payments recorded (2025) · (254) 526-7523
Dr. Garrett Cannell, DO, MBA
Killeen, TX · $107 in drug and device payments (2025) · (254) 526-7523
Dr. Gillian Bruno, M.D.
Killeen, TX · No drug or device payments recorded (2025) · (254) 526-7523
Dr. Hemalkumar Ramani, MD
Killeen, TX · $55 in drug and device payments (2025) · (254) 519-8513
Dr. Jacquelene Adiele, M.D.
Killeen, TX · $194 in drug and device payments (2025) · Telehealth · (254) 200-2748
Dr. Jameel Johnson, M.D.
Killeen, TX · No drug or device payments recorded (2025) · (254) 526-7523
Dr. Jessica Chambers, M.D.
Killeen, TX · No drug or device payments recorded (2025) · (254) 724-8572
Dr. Kevin Zamora, MD
Killeen, TX · $40 in drug and device payments (2025) · (254) 526-7523
Dr. Lily Lim, MD
Killeen, TX · $41 in drug and device payments (2025) · (254) 419-3923
Dr. Minesh Sheth
Killeen, TX · No drug or device payments recorded (2025) · (254) 526-7523
Dr. Miranda Tracy, M.D.
Killeen, TX · $40 in drug and device payments (2025) · (254) 680-7303
Dr. Neil Patel, MD
Killeen, TX · $31 in drug and device payments (2025) · (254) 526-7523
Dr. Pamela Roy-kondepati
Killeen, TX · No drug or device payments recorded (2025) · (254) 526-7523
Dr. Ramya Ramesh, MD
Killeen, TX · $18 in drug and device payments (2025) · (254) 519-8307
Dr. Scott Keeney, DO
Killeen, TX · No drug or device payments recorded (2025) · (254) 526-7523
Dr. Stephen Ralph, M.D.
Killeen, TX · No drug or device payments recorded (2025) · (254) 554-8773
Dr. Sundaram Sukumar, MD
Killeen, TX · No drug or device payments recorded (2025) · (254) 519-3131

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.