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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. Shantnu Singh, M.D
Tyler, TX · No drug or device payments recorded (2025) · (903) 510-1186
Dr. Shazia Sheikh, MD
Tyler, TX · $55 in drug and device payments (2025) · (903) 606-7264
Dr. Sherif Latif, MD
Tyler, TX · No drug or device payments recorded (2025) · Telehealth · (903) 606-4129
Dr. Sivagowri Tharmendira, MD
Tyler, TX · $23 in drug and device payments (2025) · (903) 590-5612
Dr. Spencer Shastid, DO
Tyler, TX · No drug or device payments recorded (2025) · Telehealth · (903) 592-6000
Dr. Stephen Rydzak, MD
Tyler, TX · No drug or device payments recorded (2025) · (903) 596-3500
Dr. Stephen Walling, MD
Tyler, TX · No drug or device payments recorded (2025) · (903) 510-1186
Dr. Steven Keuer, MD
Tyler, TX · No drug or device payments recorded (2025) · (903) 593-1721
Dr. Sujatha White, MD
Tyler, TX · $656 in drug and device payments (2025) · (903) 596-3500
Dr. Sujitha Nandimandalam, M.D.
Tyler, TX · No drug or device payments recorded (2025) · (903) 590-5611
Dr. Syed Salman Hamid Hashmi, MD
Tyler, TX · No drug or device payments recorded (2025) · (903) 590-5612
Dr. Syed Sameeruddin, M.D.
Tyler, TX · No drug or device payments recorded (2025) · (903) 510-1186
Dr. Taofeek Kolade, MD
Tyler, TX · No drug or device payments recorded (2025) · (903) 590-5612
Dr. Thomas Buzbee, M.D.
Tyler, TX · $15,885 in drug and device payments (2025) · (903) 533-0644
Dr. Thomas Eller, MD, FACP, CCDS
Tyler, TX · No drug or device payments recorded (2025) · (254) 624-7071
Dr. Tim Castro, M.D.
Tyler, TX · No drug or device payments recorded (2025) · (903) 592-6901
Dr. Trey Harrington, DO
Tyler, TX · No drug or device payments recorded (2025) · (903) 590-5612
Dr. Uday Kiran Togaru, MBBS
Tyler, TX · No drug or device payments recorded (2025) · (903) 593-8441
Dr. Vijaya Gandla
Tyler, TX · No drug or device payments recorded (2025) · (903) 593-8441
Dr. Vittal Chundru, M.D.
Tyler, TX · No drug or device payments recorded (2025) · (903) 606-4129
Dr. Wayne Karaki, MD
Tyler, TX · $759 in drug and device payments (2025) · (903) 877-7777
Dr. Yakov Gershfeld, MD
Tyler, TX · No drug or device payments recorded (2025) · (903) 590-5612
Dr. Zainab Shafi
Tyler, TX · No drug or device payments recorded (2025) · (903) 606-6401
Dr. Isaac Sosa, M.D.
Uvalde, TX · $677 in drug and device payments (2025) · (830) 278-3027
Dr. Sarah Lopez, DO
Uvalde, TX · $375 in drug and device payments (2025) · (830) 278-7105
Dr. M Jeanine Thomas, DO
Venus, TX · $71 in drug and device payments (2025) · (817) 274-0329
Dr. Sherry Wolf, MD
Vernon, TX · $62 in drug and device payments (2025) · (940) 552-9991
Dr. Travis Lehman, D.O.
Vernon, TX · No drug or device payments recorded (2025) · (940) 553-2890
Dr. Ana Delgado, MD
Victoria, TX · No drug or device payments recorded (2025) · Telehealth · (361) 572-9173
Dr. Arun Jain, MD
Victoria, TX · $1,137 in drug and device payments (2025) · Telehealth · (361) 575-8585
Dr. Bruce Bauknight, MD
Victoria, TX · $153 in drug and device payments (2025) · (361) 655-9181
Dr. Bruce Wheeler, MD
Victoria, TX · No drug or device payments recorded (2025) · (361) 578-0231
Dr. Deborah Zygmunt, M.D.
Victoria, TX · No drug or device payments recorded (2025) · (361) 793-5219
Dr. Donna Westerman, MD
Victoria, TX · No drug or device payments recorded (2025) · (361) 582-7700
Dr. Fabian Espinosa, MD
Victoria, TX · $648 in drug and device payments (2025) · Telehealth · (361) 574-1820
Dr. Irfan Qureshi, M.D.
Victoria, TX · $62 in drug and device payments (2025) · (361) 574-1775
Dr. Khiem Vu, D.O.
Victoria, TX · $19 in drug and device payments (2025) · Telehealth · (361) 237-3945
Dr. Maria Velasco, M.D.
Victoria, TX · $560 in drug and device payments (2025) · (361) 575-3775
Dr. Mehran Nezhad, M.D.
Victoria, TX · No drug or device payments recorded (2025) · Telehealth · (361) 574-1755
Dr. Oscar Zuniga, M.D.
Victoria, TX · No drug or device payments recorded (2025) · (361) 575-0648
Dr. Peter Nguyen, M.D.
Victoria, TX · $701 in drug and device payments (2025) · (361) 220-7998
Dr. Prasanthi Arety, M.D
Victoria, TX · No drug or device payments recorded (2025) · (858) 815-3628
Dr. Rasendu Vasavada, MD
Victoria, TX · $1,447 in drug and device payments (2025) · (361) 485-9424
Dr. Russell Hohlt, M.D.
Victoria, TX · No drug or device payments recorded (2025) · (361) 575-7441
Dr. Sanjeev Bhatia, M.D.
Victoria, TX · $151 in drug and device payments (2025) · Telehealth · (361) 573-9999
Dr. Shah Afridi, M.D.
Victoria, TX · No drug or device payments recorded (2025) · Telehealth · (361) 574-1720
Dr. William Shay, M.D.
Victoria, TX · $1,007 in drug and device payments (2025) · (361) 582-5789
Dr. Yasir Ahmed, M.D.
Victoria, TX · No drug or device payments recorded (2025) · (757) 753-1833
Dr. Syed Muhammad Ali Jilani, MD
Vidor, TX · $90 in drug and device payments (2025) · Telehealth · (409) 813-1677
Dr. Marzi Asadifar, M.D.
Volente, TX · No drug or device payments recorded (2025) · (512) 452-2100

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.