Internal Medicine in Richardson, Texas
Data updated monthly · Last refresh September 2026
62 Internal Medicine providers practice in Richardson, and 56% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Richardson
Listed alphabetically. 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. Shalomi George-zieser, D.O.Richardson, TX · No drug or device payments recorded (2025) ·
(972) 766-6900 Dr. Sita Boppana, M.D.Richardson, TX · $16 in drug and device payments (2025) ·
(972) 644-1100 Dr. Syed Aziz, MDRichardson, TX · $31 in drug and device payments (2025) ·
(972) 235-5849 Dr. Taiwo Oyenuga, M.DRichardson, TX · No drug or device payments recorded (2025) ·
(469) 204-2021 Dr. Thomas Alexander, M.DRichardson, TX · $262 in drug and device payments (2025) ·
(972) 234-4994 Dr. Trung Dao, MDRichardson, TX · $910 in drug and device payments (2025) ·
(972) 234-4994 Dr. Vijaya Dhanvantri, MDRichardson, TX · No drug or device payments recorded (2025) ·
(972) 235-9796 Dr. Vladimir Grebennikov, M.D.Richardson, TX · $1,220 in drug and device payments (2025) ·
(972) 235-2459 Dr. William Mania, MD PARichardson, TX · $368 in drug and device payments (2025) · Telehealth ·
(972) 669-9777 Dr. Woan Kim, DORichardson, TX · $100 in drug and device payments (2025) ·
(469) 828-1903 Dr. Yoonho Park, MDRichardson, TX · No drug or device payments recorded (2025) ·
(469) 204-2021 Dr. Zeba Sajjad, MDRichardson, TX · No drug or device payments recorded (2025) · Telehealth ·
(972) 234-3355 Conditions Internal Medicine providers in Richardson, 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 Richardson, Texas?There are 62 Internal Medicine providers with active NPI records practicing in Richardson, according to federal NPPES data refreshed monthly.
How many Internal Medicine providers in Richardson received drug or device company payments?35 of 62 (56%) 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 Richardson treat?Internal Medicine providers in Richardson 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 records 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.
All specialties in Richardson Internal Medicine across Texas
