HealthcareDiscovery.AI / Doctors / Oklahoma / Norman / Internal Medicine

Internal Medicine in Norman, Oklahoma

Data updated monthly · Last refresh September 2026

29 Internal Medicine providers practice in Norman, and 55% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Norman

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. Abraham Garcia Ortega, MD
Norman, OK · No drug or device payments recorded (2025) · (405) 325-0311
Dr. Ashley Muckala, DO
Norman, OK · No drug or device payments recorded (2025) · (405) 364-0555
Dr. Awaad Khan, M.D.
Norman, OK · $245 in drug and device payments (2025) · (405) 307-1000
Dr. Christopher Parker, MD
Norman, OK · No drug or device payments recorded (2025) · (405) 515-4888
Dr. Dustin Tedesco, MD
Norman, OK · $288 in drug and device payments (2025) · (405) 217-8500
Dr. Elise Wiesner, MD
Norman, OK · $1,602 in drug and device payments (2025) · Telehealth · (405) 515-0380
Dr. Gary Ratliff, M D
Norman, OK · $344 in drug and device payments (2025) · Telehealth · (405) 307-6668
Dr. Geo Philips Chacko, MD
Norman, OK · No drug or device payments recorded (2025) · (405) 307-6630
Dr. Joan Beatrice Capellan, MD
Norman, OK · No drug or device payments recorded (2025) · (405) 515-1780
Dr. Joe Riddle, M D
Norman, OK · No drug or device payments recorded (2025) · (405) 329-7621
Dr. John Krodel, M.D.
Norman, OK · $186 in drug and device payments (2025) · Telehealth · (405) 329-0121
Dr. John Mccarter, M D
Norman, OK · No drug or device payments recorded (2025) · (405) 307-6668
Dr. Johnny Johnson, DO
Norman, OK · No drug or device payments recorded (2025) · (405) 447-0300
Dr. Jonathan Bryan, D.O.
Norman, OK · $161 in drug and device payments (2025) · Telehealth · (405) 329-0121
Dr. Justin Fields, MD
Norman, OK · $518 in drug and device payments (2025) · Telehealth · (405) 329-0121
Dr. Kumar Ennamuri, MD
Norman, OK · $16 in drug and device payments (2025) · Telehealth · (405) 364-0630
Dr. Lydia Ballard, M.D.
Norman, OK · $137 in drug and device payments (2025) · Telehealth · (405) 329-0121
Dr. Mehmood Cheema, MD
Norman, OK · $30 in drug and device payments (2025) · (405) 307-1500
Dr. Miguel Rodriguez, M.D.
Norman, OK · No drug or device payments recorded (2025) · (405) 515-0380
Dr. Mudassir Nawaz, MD
Norman, OK · $1,258 in drug and device payments (2025) · (405) 321-1004
Dr. Paul Plusquellec, M.D.
Norman, OK · $46 in drug and device payments (2025) · Telehealth · (405) 329-0121
Dr. Robert White, M.D.
Norman, OK · No drug or device payments recorded (2025) · (405) 447-0300
Dr. Sanober Malik, MD
Norman, OK · $1,931 in drug and device payments (2025) · Telehealth · (405) 307-5770
Dr. Sarah Brown, MD
Norman, OK · No drug or device payments recorded (2025) · (405) 307-1500
Dr. Serena Mitroo, MD
Norman, OK · $290 in drug and device payments (2025) · Telehealth · (405) 329-0121
Dr. Steffie-ann Dujon, MD
Norman, OK · $1,499 in drug and device payments (2025) · Telehealth · (405) 515-0380
Dr. Thomas Merrill, M.D.
Norman, OK · $293 in drug and device payments (2025) · Telehealth · (405) 321-0121
Dr. Thomas Whalen, D.O.
Norman, OK · No drug or device payments recorded (2025) · (405) 515-1000
Dr. William Mcmillan, M.D.
Norman, OK · No drug or device payments recorded (2025) · (412) 308-6456

Conditions Internal Medicine providers in Norman, Oklahoma 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 Norman, Oklahoma?

There are 29 Internal Medicine providers with active NPI records practicing in Norman, according to federal NPPES data refreshed monthly.

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

16 of 29 (55%) 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 Norman treat?

Internal Medicine providers in Norman 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 Norman Internal Medicine across Oklahoma

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.