Updated October 2026

Medical groups in Michigan

Medical group directory
Michigan

Medical groups: 4,724
Multi-specialty: 748
Single-specialty: 3,976
More than one site: 2,248
100+ physicians: 73

There are 4,724 medical groups in Michigan with a Medicare PAC ID. University of Michigan Health is the largest, with 2,730 Michigan physicians. Henry Ford Health has the most physicians across its groups, 3,677, and 75% of Michigan groups are independent.

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University of Michigan Health is the largest medical group in Michigan, with 2,730 physicians

Ranked by physicians with a Michigan address linked to each group. Henry Ford Health is second with 2,032, and Corewell Health Medical Group West third with 1,391. 73 Michigan groups have 100 or more physicians.

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Medical groups in Michigan, ranked by physicians, 101 to 150
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
101	Huron Valley RadiologyYpsilanti · 12 sites	-	77	86	Decision makers
102	Saint Mary's Health CareKentwood · 11 sites	Parent on file	76	227	Decision makers
103	VituityLansing · 8 sites	Parent on file	76	112	Decision makers
104	Troy Internal MedicineTroy · 8 sites	-	76	76	Decision makers
105	Alliance Obstetrics & GynecologyEast Lansing · 20 sites	-	75	102	Decision makers
106	SciometrixRoyal Oak · 15 sites	Parent on file	74	96	Decision makers
107	Aspirus Ironwood ClinicIronwood · 13 sites	Parent on file	73	154	Decision makers
108	Anesthesia Practice Consultants, P.C.Grand Rapids · 8 sites	-	73	119	Decision makers
109	Corewell Health Watervliet Hospital Primary Care - HartfordWatervliet · 17 sites	Parent on file	72	141	Decision makers
110	Munson Healthcare GraylingTraverse City · 12 sites	Parent on file	72	134	Decision makers
111	Insight Physical Therapy and Neuro-Rehab CenterFlint · 15 sites	Parent on file	71	221	Decision makers
112	Marshfield Medical Center - DickinsonIron Mountain · 24 sites	Parent on file	71	108	Decision makers
113	Henry Ford HealthDetroit · 21 sites	Parent on file	71	97	Decision makers
114	Medical Center Emergency ServicesDetroit · 5 sites	Parent on file	70	75	Decision makers
115	UP Health System, PortageHancock · 6 sites	Parent on file	69	106	Decision makers
116	Capital Internal Medicine AssociatesLansing · 8 sites	-	68	110	Decision makers
117	Borgess Lee Medical GroupKalamazoo · 3 sites	Parent on file	68	101	Decision makers
118	Mary Free Bed Rehabilitation HospitalGrand Rapids · 15 sites	Parent on file	67	235	Decision makers
119	Lake Michigan Emergency SpecialistsMuskegon · 6 sites	Parent on file	65	105	Decision makers
120	McLaren Port HuronPort Huron · 9 sites	Parent on file	65	89	Decision makers
121	Theoria MedicalNovi · 96 sites	Parent on file	64	238	Decision makers
122	Community Health Center of Branch CountyColdwater · 13 sites	Parent on file	64	114	Decision makers
123	Genesys PHOBurton · 17 sites	Parent on file	64	64	Decision makers
124	Kalkaska Memorial Health CenterKalkaska · 3 sites	Parent on file	62	112	Decision makers
125	McLaren OaklandPontiac · 16 sites	Parent on file	61	83	Decision makers
126	Michigan Orthopaedic SurgeonsSouthfield · 12 sites	Parent on file	60	144	Decision makers
127	Inhospital Physicians (IHP)Garden City · 8 sites	Parent on file	60	87	Decision makers
128	Trinity Health Medical GroupMuskegon · 9 sites	Parent on file	59	121	Decision makers
129	Eastside Gynecology & ObstetricsRoseville · 15 sites	Parent on file	59	88	Decision makers
130	Eastpointe RadiologistsGrosse Pointe Woods · 89 sites	-	59	65	Decision makers
131	PRISM Medical GroupRochester Hills · 5 sites	-	58	86	Decision makers
132	Hillsdale HospitalHillsdale · 10 sites	Parent on file	57	96	Decision makers
133	Independent Hospitalist Physicians (IHP), part of Independent Emergency Physicians (IEP)Southfield · 8 sites	Parent on file	56	129	Decision makers
134	Trinity Health IHA Medical Group, Obstetrics & Gynecology - Schoolcraft CampusAnn Arbor · 13 sites	Parent on file	56	103	Decision makers
135	Basha Open MRI - Basha DiagnosticsRoyal Oak · 13 sites	Parent on file	54	54	Decision makers
136	Henry Ford Department of PathologyDetroit · 3 sites	Parent on file	53	53	Decision makers
137	Corewell Health Reed City HospitalReed City · 6 sites	Parent on file	52	160	Decision makers
138	Orthopaedic Associates of MuskegonMuskegon · 11 sites	-	52	119	Decision makers
139	Hospital Consultants PCRoyal Oak · 3 sites	Parent on file	52	52	Decision makers
140	The Cancer & Hematology CentersGrand Rapids · 15 sites	-	51	137	Decision makers
141	Trinity Health Medical GroupShelby · 16 sites	Parent on file	51	126	Decision makers
142	Scheurer HealthPigeon · 9 sites	Parent on file	51	92	Decision makers
143	Great Lakes Home Healthcare, House Calls & Physical TherapyTraverse City · 19 sites	Parent on file	51	78	Decision makers
144	Huron GastroYpsilanti · 11 sites	-	49	122	Decision makers
145	Grand River Emergency Medical GroupGrand Rapids · 8 sites	Parent on file	49	78	Decision makers
146	Lake Michigan Emergency SpecialistsMuskegon · 5 sites	Parent on file	49	77	Decision makers
147	Harris, Birkhill, Wang, Songe and Associates, PCDearborn · 12 sites	-	49	59	Decision makers
148	Trinity Health IHA Medical Group - Primary Care - BloomfieldAnn Arbor · 13 sites	Parent on file	48	57	Decision makers
149	RightCare ClinicGrand Rapids · 5 sites	Parent on file	48	53	Decision makers
150	Family Health CenterKalamazoo · 15 sites	Parent on file	46	139	Decision makers

Showing 101 to 150 of 4,724 medical groups in Michigan

Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data

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