Internal Medicine Doctors in Oklahoma
Data updated monthly · Last refresh October 2026
1,104 Internal Medicine providers practice in Oklahoma, including 177 (16%) offering telehealth. The largest concentration is in Oklahoma City. 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.
1,104providers
177telehealth
Oklahoma Citytop city
Internal Medicine by city in Oklahoma
Choose a city to see providers there.
Internal Medicine providers in Oklahoma
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. Wellington Robbins, MDMuskogee, OK · No drug or device payments recorded (2025) ·
(918) 683-3261 Dr. Hamid Mahmood, M.DMustang, OK · $303 in drug and device payments (2025) · Telehealth ·
(405) 376-9544 Dr. Abraham Garcia Ortega, MDNorman, OK · No drug or device payments recorded (2025) ·
(405) 325-0311 Dr. Ashley Muckala, DONorman, OK · No drug or device payments recorded (2025) ·
(405) 364-0555 Dr. Christopher Parker, MDNorman, OK · No drug or device payments recorded (2025) ·
(405) 515-4888 Dr. Elise Wiesner, MDNorman, OK · $1,602 in drug and device payments (2025) · Telehealth ·
(405) 515-0380 Dr. Gary Ratliff, M DNorman, OK · $344 in drug and device payments (2025) · Telehealth ·
(405) 307-6668 Dr. Geo Philips Chacko, MDNorman, OK · No drug or device payments recorded (2025) ·
(405) 307-6630 Dr. Joan Beatrice Capellan, MDNorman, OK · No drug or device payments recorded (2025) ·
(405) 515-1780 Dr. Joe Riddle, M DNorman, 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 DNorman, OK · No drug or device payments recorded (2025) ·
(405) 307-6668 Dr. Johnny Johnson, DONorman, 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, MDNorman, OK · $518 in drug and device payments (2025) · Telehealth ·
(405) 329-0121 Dr. Kumar Ennamuri, MDNorman, 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. Miguel Rodriguez, M.D.Norman, OK · No drug or device payments recorded (2025) ·
(405) 515-0380 Dr. Mudassir Nawaz, MDNorman, 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, MDNorman, OK · $1,931 in drug and device payments (2025) · Telehealth ·
(405) 307-5770 Dr. Sarah Brown, MDNorman, OK · No drug or device payments recorded (2025) ·
(405) 307-1500 Dr. Serena Mitroo, MDNorman, OK · $290 in drug and device payments (2025) · Telehealth ·
(405) 329-0121 Dr. Steffie-ann Dujon, MDNorman, 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 Dr. Timothy Green, M.D.Nowata, OK · No drug or device payments recorded (2025) · Telehealth ·
(918) 273-0192 Dr. Judd MillerOkemah, OK · No drug or device payments recorded (2025) ·
(918) 623-1424 Dr. Aanchal Chaudhary, MDOklahoma City, OK · No drug or device payments recorded (2025) ·
(405) 271-6651 Dr. Abdelrahman AbdallaOklahoma City, OK · $24 in drug and device payments (2025) ·
(405) 271-5882 Dr. Abhijit Kalale RameshOklahoma City, OK · No drug or device payments recorded (2025) ·
(405) 271-5963 Dr. Abhirami Das, MDOklahoma City, OK · No drug or device payments recorded (2025) ·
(405) 271-5963 Dr. Abigail Hamm, MDOklahoma City, OK · No drug or device payments recorded (2025) ·
(405) 271-5963 Dr. Aditi Bhamare, MDOklahoma City, OK · $381 in drug and device payments (2025) ·
(405) 271-5963 Dr. Aditya Desai, MDOklahoma City, OK · $51 in drug and device payments (2025) ·
(405) 271-6651 Dr. Adolfo Diaz Barba, MDOklahoma City, OK · No drug or device payments recorded (2025) ·
(405) 271-5963 Dr. Adrian Scaunasu, MDOklahoma City, OK · $132 in drug and device payments (2025) ·
(405) 713-7403 Dr. Adrienne Kesinger, MDOklahoma City, OK · $390 in drug and device payments (2025) · Telehealth ·
(405) 425-8100 Dr. Ahmad Adam, MDOklahoma City, OK · No drug or device payments recorded (2025) ·
(405) 271-6651 Dr. Ahmed Ali Aziz, MDOklahoma City, OK · $29 in drug and device payments (2025) ·
(405) 949-3011 Dr. Aiman NaveedOklahoma City, OK · No drug or device payments recorded (2025) ·
(405) 271-5963 Dr. Aisha Waquad, MDOklahoma City, OK · No drug or device payments recorded (2025) ·
(405) 764-8066 Dr. Ajay Nadig, M.D.Oklahoma City, OK · No drug or device payments recorded (2025) ·
(405) 271-3445 Conditions Internal Medicine providers in 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.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in Oklahoma?There are 1,104 Internal Medicine providers with active NPI records practicing in Oklahoma, according to federal NPPES data refreshed monthly.
Do Internal Medicine providers in Oklahoma offer telehealth?Yes. 177 of the 1,104 Internal Medicine providers in Oklahoma (about 16%) report offering telehealth services in CMS data.
Which cities in Oklahoma have the most Internal Medicine providers?Oklahoma City (409), Tulsa (302), Norman (29) have the highest concentration of Internal Medicine providers in Oklahoma.
How many Internal Medicine providers in Oklahoma received drug or device company payments?406 of 1,104 Internal Medicine providers in Oklahoma (37%) 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 Oklahoma 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 Oklahoma work in independent practices or large health systems?Among 589 Internal Medicine Doctors in Oklahoma enrolled in Medicare, 14% bill through a solo or small practice with fewer than 10 clinicians, 17% through a mid-size group of 10 to 99, and 69% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Internal Medicine Doctors in Oklahoma work at?According to CMS facility affiliation records, the Oklahoma hospitals where the most Internal Medicine Doctors hold privileges are O U Medical Center in Oklahoma City; Saint Francis Hospital, Inc. in Tulsa; Mercy Hospital Oklahoma City, Inc. in Oklahoma City.
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