The 10 largest medical groups in Oklahoma by physicians
OU Health is the largest medical group in Oklahoma, with 1,221 physicians, followed by Warren Clinic in Tulsa (789) and INTEGRIS Health Medical Group in Oklahoma City (780).
- OU Health1,221physicians2,101HCPs
- Warren Clinic789physicians1,216HCPs
- INTEGRIS Health Medical Group780physicians1,232HCPs
- Mercy Clinic Oklahoma Communities691physicians1,179HCPs
- OU Health Physicians628physicians960HCPs
- Ascension St. John591physicians914HCPs
- Redbird Smith Health Center532physicians1,180HCPs
- Muscogee Nation Department of Health520physicians809HCPs
- Choctaw Nation Health Care Center405physicians654HCPs
- The Fraley Clinic372physicians613HCPs
The 10 largest of 911 Oklahoma medical groups that report physicians. Ranks compare size, not quality of care.
Every medical group in OklahomaThe median Oklahoma medical group has 3 physicians
911 Oklahoma medical groups report physicians. The median medical group has 3 physicians, so OU Health is about 407 times that size.
- the size of the median Oklahoma medical group, which has 3 physicians
- 407×
- of the 911 Oklahoma medical groups that report physicians
- 1.1%
How we ranked the largest Oklahoma medical groups
- Measure
- Physicians linked to each group in CMS enrollment and the Dmand AI database.
- What counts as a group
- One Medicare PAC ID. A group that bills under several names counts once.
- Field
- 911 Oklahoma medical groups in the Dmand AI database report physicians.
- Ties
- Medical groups with the same number share a rank.
- HCPs
- Healthcare professionals with a current link to the group in the Dmand AI database.
- What a rank means
- Size only. A rank compares physicians; it says nothing about quality of care.
- Refresh
- Monthly. Updated Oct 28, 2026.
FAQ
Questions about the largest Oklahoma medical groups
Answers from the same data, updated monthly.
What is the largest medical group in Oklahoma?
OU Health in Oklahoma City, with 1,221 physicians. Warren Clinic is second with 789.
What are the 10 largest medical groups in Oklahoma?
By physicians: OU Health (1,221), Warren Clinic (789), INTEGRIS Health Medical Group (780), Mercy Clinic Oklahoma Communities (691), OU Health Physicians (628), Ascension St. John (591), Redbird Smith Health Center (532), Muscogee Nation Department of Health (520), Choctaw Nation Health Care Center (405), The Fraley Clinic (372).
How many physicians does a typical Oklahoma medical group have?
The median Oklahoma medical group that reports physicians has 3 physicians, out of 911 that report them.
How often is this list updated?
Every month, when the Dmand AI database refreshes. This version is from Oct 28, 2026.
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