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 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. Roland Glenister, DOWichita Falls, TX · $23 in drug and device payments (2025) ·
(940) 263-3000 Dr. Russell Williams, M.D.Wichita Falls, TX · No drug or device payments recorded (2025) ·
(940) 766-6306 Dr. Sadiya Usman, M.B.B.SWichita Falls, TX · $70 in drug and device payments (2025) ·
(940) 263-3000 Dr. San HtunWichita Falls, TX · $87 in drug and device payments (2025) ·
(940) 263-3000 Dr. Stefanie Marco, MDWichita Falls, TX · $296 in drug and device payments (2025) ·
(940) 263-3000 Dr. Sunil Kongara, M.D.Wichita Falls, TX · No drug or device payments recorded (2025) ·
(940) 263-3000 Dr. Taylor Tisdale, DOWichita Falls, TX · No drug or device payments recorded (2025) · Telehealth ·
(940) 764-5200 Dr. Teja Sree Vallapu Reddy, M.DWichita Falls, TX · $121 in drug and device payments (2025) ·
(940) 263-3000 Dr. Tilahun Belay, MDWichita Falls, TX · No drug or device payments recorded (2025) ·
(940) 263-3000 Dr. Vivian Ekechukwu, DOWichita Falls, TX · No drug or device payments recorded (2025) · Telehealth ·
(940) 263-3000 Dr. William Robison, M.D.Wichita Falls, TX · $2,499 in drug and device payments (2025) · Telehealth ·
(940) 766-3551 Dr. William Schmaus, DOWichita Falls, TX · $16 in drug and device payments (2025) ·
(940) 263-3000 Dr. Ya Wen Fuh, MDWichita Falls, TX · No drug or device payments recorded (2025) ·
(940) 263-3000 Dr. Nusrat Khan, M.D.Willow Park, TX · $278 in drug and device payments (2025) · Telehealth ·
(817) 374-4949 Dr. Sakthiraj Subramanian, MDWillow Park, TX · $1,107 in drug and device payments (2025) ·
(817) 489-7300 Dr. Mustafa Firoz, M.D.Wills Point, TX · No drug or device payments recorded (2025) ·
(903) 873-3330 Dr. Eunice Adebayo, MDWindcrest, TX · No drug or device payments recorded (2025) ·
(210) 922-7000 Dr. Manuel Lopez Vazquez, M.D.Windcrest, TX · $62 in drug and device payments (2025) ·
(210) 922-7000 Dr. Michael Flowers, DOWindcrest, TX · $81 in drug and device payments (2025) ·
(210) 653-8085 Dr. Jared Petty, DOWinnsboro, TX · $21 in drug and device payments (2025) · Telehealth ·
(903) 342-3355 Dr. Jerry Houchin, DOWinnsboro, TX · No drug or device payments recorded (2025) ·
(903) 860-2548 Dr. Jose Martinez, MDWinnsboro, TX · No drug or device payments recorded (2025) ·
(903) 342-3355 Dr. Paul Driver, DOWinnsboro, TX · No drug or device payments recorded (2025) ·
(903) 342-5227 Dr. William Huff, MDWinnsboro, TX · No drug or device payments recorded (2025) ·
(903) 342-3781 Dr. Joshua Luke Young, MDWoodway, TX · No drug or device payments recorded (2025) ·
(254) 280-0375 Dr. Fauzia Osama, M.D.Wylie, TX · $241 in drug and device payments (2025) · Telehealth ·
(972) 325-2285 Dr. Kenechim Anamekwe, M.D.Wylie, TX · $177 in drug and device payments (2025) · Telehealth ·
(972) 941-8484 Dr. Rincy Mathai, FNPWylie, TX · No drug or device payments recorded (2025) ·
(972) 435-7215 Dr. Eduardo Canova, MDZapata, TX · No drug or device payments recorded (2025) ·
(956) 765-8494 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.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
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.
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