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Internal Medicine in Huntsville, Texas

Data updated monthly · Last refresh September 2026

15 Internal Medicine providers practice in Huntsville. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Huntsville

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. Ali Bhuriwala, M.D.
Huntsville, TX · $23 in drug and device payments (2025) · (936) 436-1786
Dr. Darnel Durand, M.D.
Huntsville, TX · No drug or device payments recorded (2025) · (936) 436-1786
Dr. David Ficklen
Huntsville, TX · No drug or device payments recorded (2025) · (936) 435-0014
Dr. Jayne Schulte, M.D.
Huntsville, TX · No drug or device payments recorded (2025) · (936) 295-8000
Dr. John Hines, MD
Huntsville, TX · No drug or device payments recorded (2025) · (936) 291-8205
Dr. John Knight, M.D.
Huntsville, TX · $29 in drug and device payments (2025) · Telehealth · (936) 295-8000
Dr. Karin Olson, M.D.
Huntsville, TX · No drug or device payments recorded (2025) · (936) 439-4700
Dr. Mir Ali Khan, D.O.
Huntsville, TX · No drug or device payments recorded (2025) · (936) 294-0152
Dr. Murtaza Mahesri, MD
Huntsville, TX · $65 in drug and device payments (2025) · (936) 436-1786
Dr. Nabeel Khan, M.D.
Huntsville, TX · $115 in drug and device payments (2025) · (936) 291-8205
Dr. Peter Ang, M.D.
Huntsville, TX · No drug or device payments recorded (2025) · Telehealth · (936) 295-8000
Dr. Premswarup Immaraj, M.D.
Huntsville, TX · No drug or device payments recorded (2025) · (936) 291-3411
Dr. Shao-jen Chang, M.D.
Huntsville, TX · $469 in drug and device payments (2025) · Telehealth · (936) 291-2116
Dr. Sonal Patel, MD
Huntsville, TX · No drug or device payments recorded (2025) · (877) 832-2652
Dr. Trey Young, MD
Huntsville, TX · $901 in drug and device payments (2025) · Telehealth · (936) 500-9500

Conditions Internal Medicine providers in Huntsville, 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 Huntsville, Texas?

There are 15 Internal Medicine providers with active NPI records practicing in Huntsville, according to federal NPPES data refreshed monthly.

What conditions do Internal Medicine providers in Huntsville treat?

Internal Medicine providers in Huntsville 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 Huntsville 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.