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Internal Medicine in Tyler, Texas

Data updated monthly · Last refresh September 2026

143 Internal Medicine providers practice in Tyler, and 30% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Tyler

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. Natalie Johnson, M.D.
Tyler, TX · $1,908 in drug and device payments (2025) · (903) 596-3500
Dr. Nghia Truong, MD
Tyler, TX · $1,820 in drug and device payments (2025) · (903) 596-3500
Dr. Nikhil Acharya, M.D
Tyler, TX · $32 in drug and device payments (2025) · (903) 593-8441
Dr. Parijat Joy, MD
Tyler, TX · No drug or device payments recorded (2025) · Telehealth · (903) 590-5611
Dr. Patrick Russell, MD
Tyler, TX · $18 in drug and device payments (2025) · (903) 510-1186
Dr. Paul Lim, M.D.
Tyler, TX · No drug or device payments recorded (2025) · (903) 509-6000
Dr. Peter Mcneill, MD
Tyler, TX · $113 in drug and device payments (2025) · (903) 590-5611
Dr. Rahman Ahmed, DO
Tyler, TX · $16 in drug and device payments (2025) · (903) 877-5619
Dr. Rajiv Bhattarai, M.D
Tyler, TX · $139 in drug and device payments (2025) · (903) 606-4129
Dr. Ramiro Villena, MD
Tyler, TX · $466 in drug and device payments (2025) · (903) 533-0644
Dr. Richard Anderson, MD
Tyler, TX · No drug or device payments recorded (2025) · (903) 510-8777
Dr. Richard Wilson, MD
Tyler, TX · No drug or device payments recorded (2025) · (903) 510-1186
Dr. Robert Fischer, MBBS
Tyler, TX · No drug or device payments recorded (2025) · (903) 590-5612
Dr. Russell Topham, MD
Tyler, TX · $257 in drug and device payments (2025) · (903) 565-0303
Dr. Sabbie Brasher, FNP-C
Tyler, TX · No drug or device payments recorded (2025) · (903) 939-7500
Dr. Sahil Parikh, DO
Tyler, TX · No drug or device payments recorded (2025) · (361) 935-4004
Dr. Sailaja Sakam, M.D.
Tyler, TX · $24 in drug and device payments (2025) · (903) 606-4129
Dr. Samakti Jariwala
Tyler, 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, DO
Tyler, TX · No drug or device payments recorded (2025) · (903) 590-5611
Dr. Shantnu Singh, M.D
Tyler, TX · No drug or device payments recorded (2025) · (903) 510-1186
Dr. Shazia Sheikh, MD
Tyler, TX · $55 in drug and device payments (2025) · (903) 606-7264
Dr. Sherif Latif, MD
Tyler, TX · No drug or device payments recorded (2025) · Telehealth · (903) 606-4129
Dr. Sivagowri Tharmendira, MD
Tyler, TX · $23 in drug and device payments (2025) · (903) 590-5612
Dr. Spencer Shastid, DO
Tyler, TX · No drug or device payments recorded (2025) · Telehealth · (903) 592-6000
Dr. Stephen Rydzak, MD
Tyler, TX · No drug or device payments recorded (2025) · (903) 596-3500
Dr. Stephen Walling, MD
Tyler, TX · No drug or device payments recorded (2025) · (903) 510-1186
Dr. Steven Keuer, MD
Tyler, TX · No drug or device payments recorded (2025) · (903) 593-1721
Dr. Sujatha White, MD
Tyler, TX · $656 in drug and device payments (2025) · (903) 596-3500
Dr. Sujitha Nandimandalam, M.D.
Tyler, TX · No drug or device payments recorded (2025) · (903) 590-5611
Dr. Syed Salman Hamid Hashmi, MD
Tyler, TX · No drug or device payments recorded (2025) · (903) 590-5612
Dr. Syed Sameeruddin, M.D.
Tyler, TX · No drug or device payments recorded (2025) · (903) 510-1186
Dr. Taofeek Kolade, MD
Tyler, TX · No drug or device payments recorded (2025) · (903) 590-5612
Dr. Thomas Buzbee, M.D.
Tyler, TX · $15,885 in drug and device payments (2025) · (903) 533-0644
Dr. Thomas Eller, MD, FACP, CCDS
Tyler, TX · No drug or device payments recorded (2025) · (254) 624-7071
Dr. Tim Castro, M.D.
Tyler, TX · No drug or device payments recorded (2025) · (903) 592-6901
Dr. Trey Harrington, DO
Tyler, TX · No drug or device payments recorded (2025) · (903) 590-5612
Dr. Uday Kiran Togaru, MBBS
Tyler, TX · No drug or device payments recorded (2025) · (903) 593-8441
Dr. Vijaya Gandla
Tyler, TX · No drug or device payments recorded (2025) · (903) 593-8441
Dr. Vittal Chundru, M.D.
Tyler, TX · No drug or device payments recorded (2025) · (903) 606-4129
Dr. Wayne Karaki, MD
Tyler, TX · $759 in drug and device payments (2025) · (903) 877-7777
Dr. Yakov Gershfeld, MD
Tyler, TX · No drug or device payments recorded (2025) · (903) 590-5612
Dr. Zainab Shafi
Tyler, TX · No drug or device payments recorded (2025) · (903) 606-6401

Conditions Internal Medicine providers in Tyler, 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.

Common questions

How many Internal Medicine providers are in Tyler, Texas?

There are 143 Internal Medicine providers with active NPI records practicing in Tyler, according to federal NPPES data refreshed monthly.

How many Internal Medicine providers in Tyler received drug or device company payments?

43 of 143 (30%) 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 Tyler treat?

Internal Medicine providers in Tyler 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 Tyler Internal Medicine across Texas

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.