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. Gustavo Pulgar Escobar, MDHarlingen, TX · No drug or device payments recorded (2025) ·
(956) 296-1491 Dr. Heriberto Cantu, MDHarlingen, TX · $4,289 in drug and device payments (2025) ·
(956) 296-1491 Dr. Irina Minina, M.DHarlingen, TX · $2,965 in drug and device payments (2025) · Telehealth ·
(956) 365-6000 Dr. Isaac Osborne, M.D.Harlingen, TX · No drug or device payments recorded (2025) ·
(903) 577-9991 Dr. Ivette Mercado, MDHarlingen, TX · No drug or device payments recorded (2025) ·
(956) 425-3706 Dr. Jacqueline Luevano, MDHarlingen, TX · No drug or device payments recorded (2025) ·
(956) 389-6565 Dr. James Bui, M.D.Harlingen, TX · $46 in drug and device payments (2025) ·
(210) 567-6685 Dr. James Hanley, MDHarlingen, TX · No drug or device payments recorded (2025) ·
(956) 365-6750 Dr. Jenny Lynn Carreon, MDHarlingen, TX · $117 in drug and device payments (2025) ·
(512) 730-3060 Dr. Joel Pallapati, MDHarlingen, TX · No drug or device payments recorded (2025) ·
(956) 389-6565 Dr. Jonathan Howe, M.D.Harlingen, TX · No drug or device payments recorded (2025) ·
(956) 389-1100 Dr. Jorge Zamora-legoff, MDHarlingen, TX · No drug or device payments recorded (2025) ·
(956) 296-1491 Dr. Jose Campo-maldonado, M,DHarlingen, TX · No drug or device payments recorded (2025) ·
(956) 296-1491 Dr. Jose PenaHarlingen, TX · No drug or device payments recorded (2025) ·
(956) 296-1590 Dr. Jose Ramos, MDHarlingen, TX · $131 in drug and device payments (2025) ·
(956) 296-1590 Dr. Julio Savinon, M.D.Harlingen, TX · $441 in drug and device payments (2025) · Telehealth ·
(956) 421-2457 Dr. Karla Lopez, MDHarlingen, TX · No drug or device payments recorded (2025) ·
(956) 364-8000 Dr. Laura Garcia, M.D.Harlingen, TX · No drug or device payments recorded (2025) ·
(956) 296-1491 Dr. Lise Agnant Malebranche, M.D, MPH, MBAHarlingen, TX · No drug or device payments recorded (2025) · Telehealth ·
(956) 421-5111 Dr. Luis Reynoso, MDHarlingen, TX · $887 in drug and device payments (2025) ·
(956) 425-7800 Dr. Luis Segura, DOHarlingen, TX · No drug or device payments recorded (2025) ·
(956) 389-6565 Dr. Luis Trujillo, M.D.Harlingen, TX · No drug or device payments recorded (2025) ·
(956) 365-8805 Dr. Manoj Gogia, MDHarlingen, TX · $27 in drug and device payments (2025) ·
(956) 366-4500 Dr. Maria Hernandez AzmitiaHarlingen, TX · No drug or device payments recorded (2025) ·
(956) 296-1590 Dr. Maria Landaeta Manzanero, MDHarlingen, TX · No drug or device payments recorded (2025) ·
(832) 552-3317 Dr. Maria NajamHarlingen, TX · $251 in drug and device payments (2025) ·
(956) 296-1447 Dr. Mario Tapia Gomez, MDHarlingen, TX · No drug or device payments recorded (2025) ·
(956) 389-6565 Dr. Mathew Peynado, MDHarlingen, TX · No drug or device payments recorded (2025) ·
(956) 296-1491 Dr. Max HarrisHarlingen, TX · No drug or device payments recorded (2025) ·
(956) 423-0067 Dr. Mogbolahan Kuye, MDHarlingen, TX · $429 in drug and device payments (2025) · Telehealth ·
(956) 425-9181 Dr. Monica Olvera LopezHarlingen, TX · No drug or device payments recorded (2025) ·
(956) 296-1491 Dr. Niru Cepeda-iruegas, M.D.Harlingen, TX · No drug or device payments recorded (2025) ·
(956) 389-6565 Dr. Oliverio Abarca Guzman, MDHarlingen, TX · No drug or device payments recorded (2025) ·
(956) 389-4382 Dr. Poonam Gogia, MDHarlingen, TX · No drug or device payments recorded (2025) ·
(956) 406-6285 Dr. Qazi Siddique, M.D.Harlingen, TX · No drug or device payments recorded (2025) ·
(956) 389-6565 Dr. Rafael Rojano-marin, M.D.Harlingen, TX · No drug or device payments recorded (2025) ·
(956) 389-1100 Dr. Ritu Goradia, M.D.Harlingen, TX · $46 in drug and device payments (2025) ·
(956) 296-1590 Dr. Robert Hatcher, M.D.Harlingen, TX · No drug or device payments recorded (2025) ·
(956) 425-3098 Dr. Robert Minor, M.D.Harlingen, TX · No drug or device payments recorded (2025) ·
(956) 365-6000 Dr. Roberto Vieto, M.D.Harlingen, TX · No drug or device payments recorded (2025) ·
(956) 364-8412 Dr. Sara Mojica, MDHarlingen, TX · No drug or device payments recorded (2025) ·
(956) 296-1491 Dr. Sergio Saenz, MDHarlingen, TX · $27 in drug and device payments (2025) ·
(956) 366-4500 Dr. Shridhar Kotta, M.D.Harlingen, TX · $869 in drug and device payments (2025) · Telehealth ·
(956) 421-5207 Dr. Sonia Martinez, D.O.Harlingen, TX · No drug or device payments recorded (2025) ·
(956) 389-6565 Dr. Taiwo Kuye, M.D.Harlingen, TX · $807 in drug and device payments (2025) · Telehealth ·
(956) 425-9181 Dr. Teresa Lightner, MDHarlingen, TX · No drug or device payments recorded (2025) ·
(956) 425-7200 Dr. Zachary Keatts, MDHarlingen, TX · No drug or device payments recorded (2025) ·
(956) 389-6565 Dr. Zbigniew Chmielewski, M.D.Hearne, TX · No drug or device payments recorded (2025) ·
(779) 279-3451 Dr. Bernard Parker, MDHeath, TX · No drug or device payments recorded (2025) ·
(214) 695-6971 Dr. Karen Stewart, M.D.Helotes, TX · $1,649 in drug and device payments (2025) · Telehealth ·
(210) 436-8400 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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