The 10 largest medical groups in Michigan by physicians
University of Michigan Health is the largest medical group in Michigan, with 2,989 physicians, followed by Henry Ford Health in Detroit (2,231) and Corewell Health Medical Group West in Grand Rapids (1,537).
- University of Michigan Health2,989physicians4,562HCPs
- Henry Ford Health2,231physicians3,831HCPs
- Corewell Health Medical Group West1,537physicians3,123HCPs
- Trinity Health IHA Medical Group1,201physicians1,878HCPs
- Medical Education Associates911physicians1,327HCPs
- Bronson Medical Group809physicians1,322HCPs
- Corewell Health William Beaumont University Hospital746physicians1,263HCPs
- Beaumont Medical Group - Specialty Services710physicians1,413HCPs
- Henry Ford Jackson Hospital (formerly Henry Ford Allegiance Health)610physicians1,096HCPs
- Corewell Health Medical Group South578physicians809HCPs
The 10 largest of 2,791 Michigan medical groups that report physicians. Ranks compare size, not quality of care.
Every medical group in MichiganThe median Michigan medical group has 2 physicians
2,791 Michigan medical groups report physicians. The median medical group has 2 physicians, so University of Michigan Health is about 1,495 times that size.
- the size of the median Michigan medical group, which has 2 physicians
- 1,495×
- of the 2,791 Michigan medical groups that report physicians
- 0.4%
How we ranked the largest Michigan 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
- 2,791 Michigan medical groups in the Dmand AI database report physicians.
- Ties
- Medical groups with the same number share a rank, so this list has 11 entries.
- 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 Michigan medical groups
Answers from the same data, updated monthly.
What is the largest medical group in Michigan?
University of Michigan Health in Ann Arbor, with 2,989 physicians. Henry Ford Health is second with 2,231.
What are the 10 largest medical groups in Michigan?
By physicians: University of Michigan Health (2,989), Henry Ford Health (2,231), Corewell Health Medical Group West (1,537), Trinity Health IHA Medical Group (1,201), Medical Education Associates (911), Bronson Medical Group (809), Corewell Health William Beaumont University Hospital (746), Beaumont Medical Group - Specialty Services (710), Henry Ford Jackson Hospital (formerly Henry Ford Allegiance Health) (610), Corewell Health Medical Group South (578).
How many physicians does a typical Michigan medical group have?
The median Michigan medical group that reports physicians has 2 physicians, out of 2,791 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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