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. Kurtis Kostan, MDTyler, TX · $728 in drug and device payments (2025) · Telehealth ·
(903) 747-4050 Dr. Kylie Dunn, DOTyler, TX · No drug or device payments recorded (2025) ·
(903) 877-7777 Dr. Leandro Pena, MDTyler, TX · No drug or device payments recorded (2025) ·
(903) 510-1186 Dr. Leena MahmoudTyler, TX · No drug or device payments recorded (2025) ·
(903) 594-2269 Dr. Lee Ridenour, MDTyler, TX · No drug or device payments recorded (2025) · Telehealth ·
(903) 593-1721 Dr. Linfeng LuTyler, TX · No drug or device payments recorded (2025) ·
(903) 590-5612 Dr. Lloyd Olsen, MDTyler, TX · No drug or device payments recorded (2025) ·
(903) 510-8712 Dr. Madhuri Kasireddy, MDTyler, TX · $1,175 in drug and device payments (2025) · Telehealth ·
(903) 596-3500 Dr. Marcus Byrd, M.D.Tyler, TX · No drug or device payments recorded (2025) ·
(903) 253-3325 Dr. Margaret Hayden, M.D.Tyler, TX · No drug or device payments recorded (2025) ·
(903) 533-0644 Dr. Mark Mazzare, M.D.Tyler, TX · No drug or device payments recorded (2025) ·
(888) 316-5498 Dr. Mark Vig, MDTyler, TX · No drug or device payments recorded (2025) ·
(903) 593-1721 Dr. Marta Nunes HartTyler, TX · No drug or device payments recorded (2025) ·
(903) 877-7777 Dr. Mary Dene, MDTyler, TX · No drug or device payments recorded (2025) ·
(903) 630-7691 Dr. Matthew Boehme, D.O.Tyler, TX · No drug or device payments recorded (2025) ·
(903) 535-9041 Dr. Melissa Almodovar-irizarry, M.D.Tyler, TX · No drug or device payments recorded (2025) ·
(903) 593-1721 Dr. Mestawet Teka, M.DTyler, TX · No drug or device payments recorded (2025) ·
(903) 877-7000 Dr. Minale Desta, M.D.Tyler, TX · No drug or device payments recorded (2025) ·
(903) 593-8441 Dr. Mohammad Samiullah, MDTyler, TX · No drug or device payments recorded (2025) ·
(903) 590-5611 Dr. Mohammed HamandiTyler, TX · No drug or device payments recorded (2025) ·
(903) 877-7777 Dr. Monica Jauregui, MDTyler, TX · No drug or device payments recorded (2025) ·
(903) 510-1186 Dr. Monte Smith, D.O.Tyler, TX · No drug or device payments recorded (2025) ·
(903) 877-7272 Dr. Muhammad Almas, MDTyler, TX · No drug or device payments recorded (2025) ·
(903) 590-5611 Dr. Muhammad Sarwar, M.D.Tyler, TX · No drug or device payments recorded (2025) ·
(903) 590-5611 Dr. Nadim Islam, MDTyler, TX · No drug or device payments recorded (2025) ·
(903) 590-5611 Dr. Nadyn Giralt Rodriguez, M.D.Tyler, TX · No drug or device payments recorded (2025) ·
(903) 606-8441 Dr. Narpinder Dhanoa, M.D.Tyler, TX · No drug or device payments recorded (2025) ·
(903) 593-8441 Dr. Natalie Johnson, M.D.Tyler, TX · $1,908 in drug and device payments (2025) ·
(903) 596-3500 Dr. Nghia Truong, MDTyler, TX · $1,820 in drug and device payments (2025) ·
(903) 596-3500 Dr. Parijat Joy, MDTyler, TX · No drug or device payments recorded (2025) · Telehealth ·
(903) 590-5611 Dr. Paul Lim, M.D.Tyler, TX · No drug or device payments recorded (2025) ·
(903) 509-6000 Dr. Richard Anderson, MDTyler, TX · No drug or device payments recorded (2025) ·
(903) 510-8777 Dr. Richard Wilson, MDTyler, TX · No drug or device payments recorded (2025) ·
(903) 510-1186 Dr. Robert Fischer, MBBSTyler, TX · No drug or device payments recorded (2025) ·
(903) 590-5612 Dr. Sabbie Brasher, FNP-CTyler, TX · No drug or device payments recorded (2025) ·
(903) 939-7500 Dr. Sahil Parikh, DOTyler, TX · No drug or device payments recorded (2025) ·
(361) 935-4004 Dr. Samakti JariwalaTyler, TX · No drug or device payments recorded (2025) ·
(903) 877-7200 Dr. Santosh Hakkapakki, M.D.Tyler, TX · No drug or device payments recorded (2025) ·
(903) 597-0351 Dr. Scott Hatcherson, DOTyler, TX · No drug or device payments recorded (2025) ·
(903) 590-5611 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.
Related reading on HealthcareDiscovery.AI
Internal Medicine in all 50 states Search all 9,182 in the directory Ask Zach for help choosing
Related
