The 10 largest medical groups in Ohio by physicians
Cleveland Clinic is the largest medical group in Ohio, with 4,501 physicians, followed by University Hospitals Medical Practices in Cleveland (2,548) and OhioHealth Physician Group in Columbus (2,072).
- Cleveland Clinic4,501physicians8,431HCPs
- University Hospitals Medical Practices2,548physicians4,414HCPs
- OhioHealth Physician Group2,072physicians3,680HCPs
- Emergency Medicine Physicians (EMP)1,980physicians3,011HCPs
- University of Cincinnati Physicians1,469physicians2,183HCPs
- MetroHealth Professional Group1,379physicians2,349HCPs
- Cincinnati Children's1,368physicians2,604HCPs
- University Eyecare983physicians1,695HCPs
- Pediatric Academic Association (PAA)891physicians1,255HCPs
- Nationwide Children's Hospital847physicians1,252HCPs
The 10 largest of 1,914 Ohio medical groups that report physicians. Ranks compare size, not quality of care.
Every medical group in OhioThe median Ohio medical group has 3 physicians
1,914 Ohio medical groups report physicians. The median medical group has 3 physicians, so Cleveland Clinic is about 1,500 times that size.
- the size of the median Ohio medical group, which has 3 physicians
- 1,500×
- of the 1,914 Ohio medical groups that report physicians
- 0.5%
How we ranked the largest Ohio 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
- 1,914 Ohio 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 Ohio medical groups
Answers from the same data, updated monthly.
What is the largest medical group in Ohio?
Cleveland Clinic in Independence, with 4,501 physicians. University Hospitals Medical Practices is second with 2,548.
What are the 10 largest medical groups in Ohio?
By physicians: Cleveland Clinic (4,501), University Hospitals Medical Practices (2,548), OhioHealth Physician Group (2,072), Emergency Medicine Physicians (EMP) (1,980), University of Cincinnati Physicians (1,469), MetroHealth Professional Group (1,379), Cincinnati Children's (1,368), University Eyecare (983), Pediatric Academic Association (PAA) (891), Nationwide Children's Hospital (847).
How many physicians does a typical Ohio medical group have?
The median Ohio medical group that reports physicians has 3 physicians, out of 1,914 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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