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.
Choose a city to see providers there.
| Internal Medicine in Oklahoma City | 409 providers |
| Internal Medicine in Tulsa | 302 providers |
| Internal Medicine in Norman | 29 providers |
| Internal Medicine in Ada | 26 providers |
| Internal Medicine in Stillwater | 25 providers |
| Internal Medicine in Edmond | 24 providers |
| Internal Medicine in Tahlequah | 24 providers |
| Internal Medicine in Lawton | 23 providers |
| Internal Medicine in Muskogee | 23 providers |
| Internal Medicine in Ardmore | 14 providers |
| Internal Medicine in Shawnee | 13 providers |
| Internal Medicine in Broken Arrow | 13 providers |
| Internal Medicine in Midwest City | 12 providers |
| Internal Medicine in Enid | 10 providers |
| Internal Medicine in Mcalester | 9 providers |
| Internal Medicine in Claremore | 8 providers |
| Internal Medicine in Owasso | 8 providers |
| Internal Medicine in Durant | 8 providers |
| Internal Medicine in Fort Sill | 8 providers |
| Internal Medicine in Bartlesville | 7 providers |
| Internal Medicine in Chickasha | 5 providers |
| Internal Medicine in Idabel | 5 providers |
| Internal Medicine in Yukon | 5 providers |
| Internal Medicine in Bethany | 4 providers |
From CMS Medicare enrollment records covering 589 of the 1,104 providers listed here (53%). Providers who do not bill Medicare are not included in these figures.
| Group (as registered with Medicare) | Internal Medicine Doctors | All clinicians in group | Main city |
| Ou Health Partners Inc. | 65 | 1,167 | Oklahoma City |
| Mercy Clinic Oklahoma Communities | 61 | 645 | Oklahoma City |
| Integris Ambulatory Care Corp.oration | 48 | 687 | Oklahoma City |
| Warren Clinic Inc. | 45 | 787 | Tulsa |
| Ahs Oklahoma Physician Group LLC | 30 | 314 | Tulsa |
| Hospital | City | Ownership | CMS star rating | Internal Medicine Doctors affiliated |
| O U Medical Center | Oklahoma City | Nonprofit | 2 of 5 | 160 |
| Saint Francis Hospital, Inc. | Tulsa | Nonprofit | 5 of 5 | 101 |
| Mercy Hospital Oklahoma City, Inc. | Oklahoma City | Nonprofit | 4 of 5 | 86 |
| Integris Baptist Medical Center, Inc. | Oklahoma City | Nonprofit | 3 of 5 | 80 |
| Ascension St John Medical Center | Tulsa | Nonprofit | 3 of 5 | 79 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
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.
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.
There are 1,104 Internal Medicine providers with active NPI records practicing in Oklahoma, according to federal NPPES data refreshed monthly.
Yes. 177 of the 1,104 Internal Medicine providers in Oklahoma (about 16%) report offering telehealth services in CMS data.
Oklahoma City (409), Tulsa (302), Norman (29) have the highest concentration of Internal Medicine providers in Oklahoma.
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.
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.
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.
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.
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.
Internal Medicine in all 50 states Search all 1,104 in the directory Ask Zach for help choosing