Updated October 2026

Largest primary care groups in Michigan

Medical group directory
Michigan
Primary care

Groups: 1,521
Internal Medicine groups: 664
Family Medicine groups: 443
Internal medicine specialists: 5,751
Family physicians: 1,618

There are 1,521 primary care groups in Michigan with a Medicare PAC ID: 664 internal medicine, 443 family medicine, 301 nurse practitioner, 98 physician assistant and 15 general practice. University of Michigan Health is the largest internal medicine group, with 846 internal medicine specialists, and Medical Education Associates the largest family medicine group, with 213 family physicians.

Find the decision makers at all 1,521 Michigan primary care groups

Work emails and mobile numbers for practice owners, administrators and physician leaders, found through healthcare waterfall enrichment, with a free Dmand AI account.

View contacts for free

University of Michigan Health is the largest primary care 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. 44 Michigan groups have 100 or more physicians.

Filter this list with a free account

Sort and filter all 1,521 Michigan primary care groups by city, parent organization, group size, EHR in use and decision makers in Dmand AI.

Filter in Dmand AI

Primary care groups in Michigan, ranked by physicians, 51 to 100
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
51	Barbara Ann Karmanos Cancer InstituteDetroit · 13 sites	Parent on file	83	137	Decision makers
52	Munson Healthcare Charlevoix HospitalCharlevoix · 21 sites	Parent on file	80	141	Decision makers
53	Aspirus Laurium ClinicLaurium · 11 sites	Parent on file	78	150	Decision makers
54	Genesys PHOBurton · 36 sites	Parent on file	78	117	Decision makers
55	VituityLansing · 8 sites	Parent on file	76	112	Decision makers
56	SciometrixRoyal Oak · 15 sites	Parent on file	74	96	Decision makers
57	Aspirus Ironwood ClinicIronwood · 13 sites	Parent on file	73	154	Decision makers
58	Corewell Health Watervliet Hospital Primary Care - HartfordWatervliet · 17 sites	Parent on file	72	141	Decision makers
59	Munson Healthcare GraylingTraverse City · 12 sites	Parent on file	72	134	Decision makers
60	Henry Ford HealthDetroit · 21 sites	Parent on file	71	97	Decision makers
61	Capital Internal Medicine AssociatesLansing · 8 sites	-	68	110	Decision makers
62	Theoria MedicalNovi · 96 sites	Parent on file	64	238	Decision makers
63	Genesys PHOBurton · 17 sites	Parent on file	64	64	Decision makers
64	Kalkaska Memorial Health CenterKalkaska · 3 sites	Parent on file	62	112	Decision makers
65	McLaren OaklandPontiac · 16 sites	Parent on file	61	83	Decision makers
66	Trinity Health Medical GroupMuskegon · 9 sites	Parent on file	59	121	Decision makers
67	PRISM Medical GroupRochester Hills · 5 sites	-	58	86	Decision makers
68	Hillsdale HospitalHillsdale · 10 sites	Parent on file	57	96	Decision makers
69	Independent Hospitalist Physicians (IHP), part of Independent Emergency Physicians (IEP)Southfield · 8 sites	Parent on file	56	129	Decision makers
70	Corewell Health Reed City HospitalReed City · 6 sites	Parent on file	52	160	Decision makers
71	The Cancer & Hematology CentersGrand Rapids · 15 sites	-	51	137	Decision makers
72	Great Lakes Home Healthcare, House Calls & Physical TherapyTraverse City · 19 sites	Parent on file	51	78	Decision makers
73	Trinity Health IHA Medical Group - Primary Care - BloomfieldAnn Arbor · 13 sites	Parent on file	48	57	Decision makers
74	Ear Nose and Throat ConsultantsSouthfield · 7 sites	-	46	67	Decision makers
75	McLaren Thumb RegionBad Axe · 8 sites	Parent on file	46	66	Decision makers
76	Theoria MedicalNovi · 82 sites	Parent on file	44	192	Decision makers
77	Alliance Health Professionals PLLCMount Clemens · 6 sites	-	44	57	Decision makers
78	McLaren Lapeer RegionLapeer · 8 sites	Parent on file	43	61	Decision makers
79	St. Mary's Mercy HospitalLivonia · 10 sites	Parent on file	41	60	Decision makers
80	Henry Ford Genesys Medical GroupGrand Blanc · 15 sites	Parent on file	40	65	Decision makers
81	HarmonyCares Medical GroupTroy · 10 sites	Parent on file	39	68	Decision makers
82	Beacon AlleganKalamazoo · 6 sites	Parent on file	39	63	Decision makers
83	Mackinac Straits Health SystemSaint Ignace · 2 sites	Parent on file	38	64	Decision makers
84	McLaren Caro RegionCaro · 7 sites	Parent on file	38	59	Decision makers
85	Munson Healthcare Manistee HospitalManistee · 9 sites	Parent on file	37	67	Decision makers
86	Michigan Kidney ConsultantsSterling Heights · 19 sites	-	37	66	Decision makers
87	Internal Medicine Physicians Acute Care Team (IMPACT)Pontiac · 6 sites	Parent on file	37	61	Decision makers
88	MyMichigan Medical Center TawasMidland · 18 sites	Parent on file	36	69	Decision makers
89	Center for Digestive HealthTroy · 11 sites	Parent on file	36	66	Decision makers
90	Mercy Hospitalists, PLLCBloomfield Hills · 5 sites	Parent on file	36	43	Decision makers
91	McLaren Medical GroupFlint · 5 sites	Parent on file	35	60	Decision makers
92	1st Choice Urgent CareClinton Twp · 17 sites	Parent on file	34	115	Decision makers
93	Schoolcraft Memorial HospitalManistique · 3 sites	Parent on file	34	86	Decision makers
94	Silver Pine Medical GroupSterling Heights · 10 sites	-	34	71	Decision makers
95	McKenzie Health SystemSandusky · 10 sites	Parent on file	34	56	Decision makers
96	Elizabeth Lake Urgent CareWaterford · 20 sites	Parent on file	33	134	Decision makers
97	1st Choice Urgent CareOxford · 18 sites	Parent on file	33	115	Decision makers
98	EPIC HealthSouthfield · 14 sites	-	33	96	Decision makers
99	Independent Hospitalist Physicians (IHP)Jackson · 1 site	Parent on file	33	54	Decision makers
100	Nephrology CenterKalamazoo · 37 sites	-	32	60	Decision makers

Showing 51 to 100 of 1,521 primary care groups in Michigan

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

For sales teams

Find the decision makers at Michigan primary care groups

Dmand AI maps the owners, administrators and physician leaders at each of the 1,521 Michigan primary care groups, with the parent organization above each one, and finds validated work emails and mobile numbers.

Try for free Book a meeting

Dmand AI

Find the right contacts at every Michigan primary care group

Search 1,521 groups by size and parent organization, with the physicians and leaders at each one.

Start free trial Book a demo

30 days free
Self-serve
No credit card