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
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
1	University of Michigan HealthAnn Arbor · 95 sites	Parent on file	2,730	4,246	Decision makers
2	Henry Ford HealthDetroit · 157 sites	Parent on file	2,032	3,561	Decision makers
3	Corewell Health Medical Group WestGrand Rapids · 150 sites	Parent on file	1,391	2,891	Decision makers
4	Trinity Health IHA Medical GroupAnn Arbor · 140 sites	Parent on file	1,101	1,735	Decision makers
5	Medical Education AssociatesSouthfield · 104 sites	-	905	1,318	Decision makers
6	Corewell Health William Beaumont University HospitalRoyal Oak · 44 sites	Parent on file	708	1,211	Decision makers
7	Bronson Medical GroupKalamazoo · 82 sites	Parent on file	680	1,155	Decision makers
8	Beaumont Medical Group - Specialty ServicesRoyal Oak · 101 sites	Parent on file	674	1,342	Decision makers
9	Henry Ford Jackson Hospital (formerly Henry Ford Allegiance Health)Jackson · 46 sites	Parent on file	536	992	Decision makers
10	Michigan Healthcare Professionals, P.C.Farmington Hills · 142 sites	-	530	847	Decision makers
11	Henry Ford Macomb HospitalClinton Twp · 44 sites	Parent on file	516	868	Decision makers
12	Trinity Health Medical GroupGrand Rapids · 85 sites	Parent on file	491	852	Decision makers
13	Wayne HealthDetroit · 53 sites	Parent on file	486	683	Decision makers
14	University of Michigan Health-West Hospital (formerly Metro Health Hospital)Wyoming · 62 sites	Parent on file	475	736	Decision makers
15	Covenant Medical GroupSaginaw · 57 sites	Parent on file	428	758	Decision makers
16	MyMichigan Medical Center MidlandMidland · 71 sites	Parent on file	416	777	Decision makers
17	Henry Ford St. John HospitalHarrison Township · 66 sites	Parent on file	405	695	Decision makers
18	Corewell Health Medical Group SouthSaint Joseph · 42 sites	Parent on file	351	560	Decision makers
19	Henry Ford Health Providence HospitalDetroit · 50 sites	Parent on file	302	580	Decision makers
20	Park Family Practice (Infinity Primary Care, PLLC)Novi · 76 sites	Parent on file	298	346	Decision makers
21	University PediatriciansDetroit · 24 sites	-	290	389	Decision makers
22	McLaren Medical GroupFlint · 35 sites	Parent on file	284	386	Decision makers
23	Hurley Nurse Practitioner GroupFlint · 39 sites	Parent on file	280	603	Decision makers
24	Bronson Medical GroupKalamazoo · 24 sites	Parent on file	270	551	Decision makers
25	Corewell HealthGrand Rapids · 46 sites	Parent on file	267	445	Decision makers
26	McLaren Lapeer Region Community Medical CenterLapeer · 86 sites	Parent on file	263	374	Decision makers
27	Beacon Portage Family MedicinePortage · 56 sites	Parent on file	257	481	Decision makers
28	DMC Medical GroupSouthfield · 64 sites	Parent on file	248	446	Decision makers
29	UP Medical Group, Marquette \| Family MedicineMarquette · 38 sites	Parent on file	237	341	Decision makers
30	Center for Physical Rehabilitation (CPR)Grand Rapids · 55 sites	-	236	383	Decision makers
31	The Center for Physical RehabilitationGrand Rapids · 52 sites	Parent on file	236	326	Decision makers
32	Henry Ford Wyandotte HospitalWyandotte · 17 sites	Parent on file	235	448	Decision makers
33	MSU Health Care Family Medicine \| Clinical Center Second FloorEast Lansing · 28 sites	Parent on file	225	314	Decision makers
34	Independent Emergency PhysiciansSouthfield · 25 sites	Parent on file	220	397	Decision makers
35	Emergency Care Specialists (ECS)Grand Rapids · 24 sites	Parent on file	220	352	Decision makers
36	Memorial Medical Associates (MMA)Owosso · 37 sites	Parent on file	210	346	Decision makers
37	Chelsea HospitalChelsea · 6 sites	Parent on file	202	370	Decision makers
38	Independent Emergency Physicians (IEP)Southfield · 22 sites	Parent on file	198	373	Decision makers
39	Advanced Radiology ServicesGrand Rapids · 193 sites	-	193	227	Decision makers
40	American Physician PartnersLansing · 45 sites	Parent on file	188	266	Decision makers
41	McLaren Central MichiganMount Pleasant · 29 sites	Parent on file	186	293	Decision makers
42	Visionary Medical Services (VMS)Grand Rapids · 16 sites	Parent on file	172	273	Decision makers
43	Ascension BorgessKalamazoo · 26 sites	Parent on file	169	241	Decision makers
44	Bronson Medical GroupKalamazoo · 9 sites	Parent on file	167	294	Decision makers
45	McLaren Bay RegionBay City · 16 sites	Parent on file	166	220	Decision makers
46	Beaumont Weight Control CenterSouthfield · 27 sites	Parent on file	163	468	Decision makers
47	MyMichigan HealthMidland · 49 sites	Parent on file	160	281	Decision makers
48	MyMichigan HealthMidland · 42 sites	Parent on file	157	303	Decision makers
49	CMU HealthSaginaw · 13 sites	Parent on file	152	197	Decision makers
50	MSU Health Care Neurology & OphthalmologyEast Lansing · 18 sites	Parent on file	152	188	Decision makers

Showing 1 to 10 of 4,724 medical groups in Michigan

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

Henry Ford Health has the most physicians in Michigan medical groups, with 3,677 across 45 groups

Dmand AI maps every medical group to its parent organization, up to the health system or platform at the top. 111 parent organizations have two or more Michigan medical groups. Among health systems, Trinity Health has the most groups, 82. Each clinician counts once per parent organization.

Parent organizations with the most Michigan medical groups
#	Parent organization	Michigan groups	Physicians	HCPs
1	Henry Ford HealthHealth system	45	3,677	6,919
2	Corewell HealthHealth system	51	3,462	6,882
3	University of MichiganAcademic health system	7	3,108	4,928
4	Trinity HealthHealth system	82	2,489	4,663
5	McLaren Health CareHealth system	36	1,198	1,872
6	MyMichigan HealthHealth system	23	819	1,593
7	Bronson Healthcare GroupHealth system	4	761	1,326
8	Wayne State UniversityAcademic health system	2	488	695
9	Munson HealthcareHealth system	12	415	822
10	Beacon Health SystemHealth system	3	383	662

Top 10 of 111 parent organizations with two or more Michigan groups

Henry Ford HealthHealth system · 45 Michigan medical groups
Henry Ford HealthMulti-specialty group · Detroit
Henry Ford Jackson Hospital (formerly Henry Ford Allegiance Health)Multi-specialty group · Jackson
43 more Michigan groups and their practice sites

See every medical group, site and clinician under Henry Ford Health

Org Hierarchy Explorer maps every group, site of care and clinician under the parent, with the leaders at each group.

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Source: Dmand AI Org Hierarchy Data

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Dmand AI maps the owners, administrators and physician leaders at each of the 4,724 Michigan medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.

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75% of Michigan medical groups are independent, with no larger parent organization

A group counts as independent when no health system, platform or other organization sits above it in the org hierarchy. Every other group belongs to a larger organization.

Michigan medical groups by ownership

Independent3,54775%
Health system or hospital3698%
Platform or corporate owner2706%
Community or government2145%
Other organization3247%

Source: Dmand AI Org Hierarchy Data

696 Michigan medical groups practice at a hospital site

Beyond their own offices, groups practice at the sites of care linked to them in the org hierarchy. A group can practice at several kinds of site, so the shares overlap.

Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data

Primary care groups are the most common medical groups in Michigan, with 1,521

Each group is counted once, under its main specialty. Behavioral and mental health groups are second, with 959, and 748 Michigan groups are multi-specialty.

Source: Dmand AI Professional Profile Data

60,177 Michigan HCPs work in Michigan medical groups, 24,255 of them physicians

Each clinician is counted once, across every Michigan group they are linked to. Only clinicians with a Michigan address are counted.

HCPs in Michigan medical groups by type

Physicians (MD, DO)24,25540%
Nurses and nurse practitioners11,43719%
Behavioral health clinicians10,31217%
Physician assistants6,28610%
Therapists (PT and OT)3,5726%
Other HCPs4,3157%

Source: Dmand AI Affiliation Data

Grand Rapids has the most medical groups in Michigan, with 208

208medical groups in Grand Rapids 168medical groups in Dearborn 142medical groups in Southfield 139medical groups in Detroit 127medical groups in Flint 107medical groups in Troy

More Michigan cities with medical groups

Source: Doctors and Clinicians National Downloadable File (CMS)

Each Michigan medical group profile shows the parent, sites, clinicians and identifiers

Clinicians and specialtiesA count by specialty and a sample of the group's cliniciansOn every profile
Practice locationsMain site and a sample of practice locations, with a count of the restOn every profile
Medicare Part B paymentsMedicare payments to the group, from CMSOn every profile
Group NPI and Medicare PAC IDIdentifiers for matching records across sourcesOn every profile
Parent organizationThe health system, platform or owner above the groupOn every profile
Every clinician and siteThe full roster and every practice locationWith a free account
Leader and clinician contactsWork emails and mobile numbers, found on request and then validatedWith a free account
EHR used by the group's cliniciansThe EHR in use at the group's sitesWith a free account

Free account: 30 days free, self-serve, no credit card.

Sources: Doctors and Clinicians National Downloadable File (CMS), Medicare Physician & Other Practitioners (CMS) and Dmand AI Org Hierarchy Data

Sources for the Michigan medical group directory

Sources for the data on this page
Data on this page	Source
Medical groups, specialties and sites	Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Professional Profile Data
Parent organizations and independence	Dmand AI Org Hierarchy Data
Physicians and HCPs	Dmand AI Affiliation Data
Group NPI and PAC ID	NPPES NPI Registry (CMS) and Doctors and Clinicians National Downloadable File (CMS)

Data last refreshed October 2026Report an inaccuracy Remove my information

The directory lists groups with a Medicare PAC ID.

FAQ

Frequently asked questions about medical groups in Michigan

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

How many medical groups are in Michigan?

There are 4,724 medical groups in Michigan with a Medicare PAC ID: 748 multi-specialty and 3,976 single-specialty.

What is the largest medical group in Michigan?

University of Michigan Health in Ann Arbor, with 2,730 physicians and 4,246 HCPs with a Michigan address. Henry Ford Health is second with 2,032, and Corewell Health Medical Group West is third with 1,391.

Which health system has the most medical groups in Michigan?

By physicians, Henry Ford Health, with 3,677 across 45 groups, followed by Corewell Health with 3,462 and University of Michigan with 3,108.

How many Michigan medical groups are independent?

3,547, or 75%, have no larger parent organization in the Dmand AI org hierarchy. 369 belong to a health system or hospital and 270 to a physician platform or corporate owner.

How many Michigan medical groups practice at a hospital?

696 Michigan groups practice at a hospital site linked to them in the Dmand AI org hierarchy.

How do I find a medical group's NPI or PAC ID?

Each medical group profile lists the group NPI and Medicare PAC ID at the top, with the main address and phone number. The NPI comes from the NPPES NPI Registry and the PAC ID from CMS Medicare enrollment.

How do I find decision makers at Michigan medical groups?

Open a group's profile for its parent organization and leaders, then get work emails and mobile numbers through Dmand AI's healthcare waterfall enrichment. 30 days free, self-serve, no credit card.

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