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. Leah Tindall, MDCollege Station, TX · No drug or device payments recorded (2025) ·
(979) 680-0361 Dr. Linda Meade, M.D.College Station, TX · $142 in drug and device payments (2025) · Telehealth ·
(979) 691-3300 Dr. Louis Bian, MDCollege Station, TX · No drug or device payments recorded (2025) ·
(979) 207-0100 Dr. Manuel Jose, M.D.College Station, TX · No drug or device payments recorded (2025) ·
(409) 691-3300 Dr. Muhammad Baig, MDCollege Station, TX · No drug or device payments recorded (2025) ·
(979) 207-0100 Dr. Natraj Shanmugam, M.D.College Station, TX · $1,148 in drug and device payments (2025) · Telehealth ·
(979) 696-5663 Dr. Obiageli Offor, MDCollege Station, TX · $222 in drug and device payments (2025) ·
(979) 207-0100 Dr. Odette Williams, M.D.College Station, TX · No drug or device payments recorded (2025) ·
(979) 207-0100 Dr. Philip Alexander, MDCollege Station, TX · No drug or device payments recorded (2025) ·
(979) 764-1111 Dr. Ranjodh Singh, DOCollege Station, TX · No drug or device payments recorded (2025) ·
(979) 207-0100 Dr. Riteshkumar PatelCollege Station, TX · No drug or device payments recorded (2025) ·
(979) 764-5100 Dr. Rohini RagupathiCollege Station, TX · No drug or device payments recorded (2025) ·
(979) 693-1795 Dr. Rose Mary Brownridge, M.D.College Station, TX · No drug or device payments recorded (2025) ·
(979) 458-8300 Dr. Sheneka Mortley, M.D.College Station, TX · No drug or device payments recorded (2025) ·
(800) 423-2111 Dr. Timothy Byrd, M.D.College Station, TX · No drug or device payments recorded (2025) ·
(979) 207-0100 Dr. Yi ZhaoCollege Station, TX · No drug or device payments recorded (2025) ·
(979) 207-0100 Dr. Adel Zakhary, MDColleyville, TX · No drug or device payments recorded (2025) ·
(817) 514-8600 Dr. Ayesha Kanwal, D.O.Colleyville, TX · $394 in drug and device payments (2025) · Telehealth ·
(833) 415-2161 Dr. Dhrudeep Patel, MDColleyville, TX · No drug or device payments recorded (2025) ·
(817) 668-3472 Dr. Iram Hamdard, MDColleyville, TX · $207 in drug and device payments (2025) ·
(817) 416-1931 Dr. Janie Simmons, MDColleyville, TX · $103 in drug and device payments (2025) ·
(817) 310-6624 Dr. Jonathan Richard, M.D., P.A.Colleyville, TX · $283 in drug and device payments (2025) ·
(817) 581-6800 Dr. Lorrie Hayes, M.D.Colleyville, TX · $977 in drug and device payments (2025) · Telehealth ·
(817) 498-9920 Dr. Megan Smith, DOColleyville, TX · No drug or device payments recorded (2025) ·
(817) 912-9920 Dr. Melinda Harrell, M.D.Colleyville, TX · $640 in drug and device payments (2025) ·
(817) 355-8000 Dr. Muhammad Naeem, M.DColleyville, TX · No drug or device payments recorded (2025) ·
(682) 214-1036 Dr. Rehan Khan, MDColleyville, TX · $289 in drug and device payments (2025) ·
(817) 416-1931 Dr. Riad Kesiry, MDColleyville, TX · No drug or device payments recorded (2025) ·
(419) 290-2815 Dr. Ashraf AllahwalaColumbus, TX · $356 in drug and device payments (2025) ·
(979) 732-2318 Dr. David Wilkinson, MDColumbus, TX · No drug or device payments recorded (2025) ·
(979) 732-2318 Dr. Alan Schonfeld, M.D.Commerce, TX · $681 in drug and device payments (2025) ·
(903) 886-8818 Dr. Alfred Berwick, MDConroe, TX · No drug or device payments recorded (2025) ·
(936) 760-4600 Dr. Candace Walkley, M.D.Conroe, TX · No drug or device payments recorded (2025) ·
(936) 525-3600 Dr. Chanh Nguyen, MDConroe, TX · $366 in drug and device payments (2025) · Telehealth ·
(936) 760-4600 Dr. Donnia Rebello, M.D.Conroe, TX · No drug or device payments recorded (2025) ·
(936) 522-4000 Dr. Heena Khan, MDConroe, TX · $180 in drug and device payments (2025) · Telehealth ·
(901) 857-3952 Dr. Hira Rizvi, MDConroe, TX · No drug or device payments recorded (2025) ·
(936) 588-6300 Dr. Jane Leonardson, MDConroe, TX · No drug or device payments recorded (2025) ·
(281) 543-5263 Dr. John Perry, M.D.Conroe, TX · No drug or device payments recorded (2025) ·
(936) 760-1691 Dr. Megan Powell, M.D.Conroe, TX · $37 in drug and device payments (2025) · Telehealth ·
(936) 525-3600 Dr. Muhammad Umair Qamar, M.D.Conroe, TX · No drug or device payments recorded (2025) ·
(936) 242-1589 Dr. Nimesh Patel, MDConroe, TX · No drug or device payments recorded (2025) · Telehealth ·
(936) 523-1402 Dr. Roham Darvishi, M.D.Conroe, TX · No drug or device payments recorded (2025) ·
(832) 860-7450 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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