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. Syed Jafri, M.DConroe, TX · $122 in drug and device payments (2025) · Telehealth ·
(281) 408-4108 Dr. Victor Hsiao, M.D.Conroe, TX · $52 in drug and device payments (2025) · Telehealth ·
(936) 525-3600 Dr. Holly Wyder, M.D.Converse, TX · $156 in drug and device payments (2025) ·
(210) 436-8400 Dr. Orlando Kypuros, MDConverse, TX · $662 in drug and device payments (2025) · Telehealth ·
(210) 468-2333 Dr. Won Park, D.O.Converse, TX · $385 in drug and device payments (2025) ·
(210) 468-2323 Dr. Bina Sharma, M.D.Coppell, TX · $15 in drug and device payments (2025) · Telehealth ·
(972) 393-1200 Dr. Monsur Ali, D.O.Coppell, TX · $83 in drug and device payments (2025) · Telehealth ·
(469) 619-7192 Dr. Akash Patel, DOCorpus Christi, TX · $587 in drug and device payments (2025) ·
(361) 761-3280 Dr. Alexander Llop, DOCorpus Christi, TX · No drug or device payments recorded (2025) ·
(877) 332-4602 Dr. Alok Shrestha, D.O.Corpus Christi, TX · $1,170 in drug and device payments (2025) ·
(361) 761-3280 Dr. Amandeep Kaur, D.O.Corpus Christi, TX · No drug or device payments recorded (2025) · Telehealth ·
(361) 761-3280 Dr. Angie Guerrero, FNP-CCorpus Christi, TX · $3,000 in drug and device payments (2025) · Telehealth ·
(361) 452-4838 Dr. Anh Vo, D.O.Corpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 761-3280 Dr. Anna Liza Maglinte, MDCorpus Christi, TX · $30 in drug and device payments (2025) ·
(361) 730-2172 Dr. Anthony Asistido, M.D.Corpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 883-4803 Dr. Arvind Modak, M.D.Corpus Christi, TX · $493 in drug and device payments (2025) · Telehealth ·
(361) 866-5505 Dr. Asmik Asatrian, MDCorpus Christi, TX · $133 in drug and device payments (2025) ·
(361) 696-6200 Dr. Blanca Gray, MDCorpus Christi, TX · $1,591 in drug and device payments (2025) ·
(361) 356-4006 Dr. Burcham Fuqua, MDCorpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 985-9355 Dr. Cecil Bourne, M.D.Corpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 884-9900 Dr. Christina Rawana, DOCorpus Christi, TX · No drug or device payments recorded (2025) · Telehealth ·
(361) 884-2904 Dr. Coleen Madigan, MDCorpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 944-1126 Dr. Cyril Owusu-boakye, M.D.Corpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 857-1501 Dr. Daniel Minier Mercedes, MDCorpus Christi, TX · No drug or device payments recorded (2025) ·
(877) 332-4602 Dr. Darlene Sanchez, DOCorpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 800-8155 Dr. David Heredia, MDCorpus Christi, TX · $399 in drug and device payments (2025) ·
(361) 808-7200 Dr. Davy Shepherd, DOCorpus Christi, TX · $24 in drug and device payments (2025) ·
(361) 814-2001 Dr. Defeng Chen, MDCorpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 881-3000 Dr. Delia Quisenberry, M.D.Corpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 442-0138 Dr. Eric Madarang, DOCorpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 500-4351 Dr. Eric Sass, D.O.Corpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 761-3280 Dr. Eric Spicuzza, DOCorpus Christi, TX · $277 in drug and device payments (2025) ·
(361) 814-2001 Dr. Estrella Silva, M.D.Corpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 806-5606 Dr. Fatima Bashir, M.D.Corpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 882-3198 Dr. Haitham Jifi-bahlool, MDCorpus Christi, TX · $2,520 in drug and device payments (2025) ·
(361) 991-0112 Dr. Hasnan Ijaz, MDCorpus Christi, TX · $3,545 in drug and device payments (2025) ·
(361) 724-3850 Dr. Hernan Zamalloa Castro, MDCorpus Christi, TX · $78 in drug and device payments (2025) ·
(361) 882-3198 Dr. Ibrahim Musa, MDCorpus Christi, TX · $153 in drug and device payments (2025) ·
(877) 832-2652 Dr. Jacqueline Phillips, D.O.Corpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 882-3198 Dr. Jagmeet Soin, MDCorpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 854-4400 Dr. James Dee, MDCorpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 994-8979 Dr. James Hines, MDCorpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 696-6043 Dr. James Neff, M.D.Corpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 696-6200 Dr. Javier Agraz, M.D.Corpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 961-6050 Dr. Jennifer ContrerasCorpus Christi, TX · $590 in drug and device payments (2025) ·
(361) 906-2121 Dr. Johanna Daugherty, M.D.Corpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 882-3198 Dr. John Caleb Grenn, M.D.Corpus Christi, TX · $142 in drug and device payments (2025) ·
(877) 832-2652 Dr. John Pettigrove, M.D.Corpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 696-6200 Dr. John Porter, MDCorpus Christi, TX · No drug or device payments recorded (2025) ·
(361) 857-2872 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
