Largest primary care groups in Michigan
- 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.
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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.
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Showing 1 to 10 of 1,521 primary care groups in Michigan
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
University of Michigan Health is the largest internal medicine group in Michigan, with 846 internal medicine specialists
Ranked by internal medicine specialists with a Michigan address linked to each group whose main sub-specialty is internal medicine. Henry Ford Health is second with 620, and Trinity Health IHA Medical Group third with 461.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Medical Education Associates is the largest family medicine group in Michigan, with 213 family physicians
Ranked by family physicians with a Michigan address linked to each group whose main sub-specialty is family medicine. Park Family Practice (Infinity Primary Care, PLLC) is second with 80, and MyMichigan Health third with 58.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Taylor Urgent Care is the largest nurse practitioner group in Michigan, with 82 nurse practitioner specialists
Ranked by nurse practitioner specialists with a Michigan address linked to each group whose main sub-specialty is nurse practitioner. Shelby Urgent Care Walk-In Clinic is second with 78, and Clinton Urgent Care Walk-In Clinic third with 78.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Best Urgent Care is the largest physician assistant group in Michigan, with 10 physician assistant specialists
Ranked by physician assistant specialists with a Michigan address linked to each group whose main sub-specialty is physician assistant. Healthy Urgent Care of Lyon Township is second with 9, and Doctors Urgent Care Plymouth third with 9.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Macomb Medical and Wellness Center is the largest general practice group in Michigan, with 2 general practice specialists
Ranked by general practice specialists with a Michigan address linked to each group whose main sub-specialty is general practice. Timothy Gates LLC is second with 1, and Prompt Care third with 1.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Henry Ford Health has the most physicians in Michigan primary care groups, with 3,451 across 25 groups
Dmand AI maps every medical group to its parent organization, up to the health system or platform at the top. 53 parent organizations have two or more Michigan primary care groups. Among health systems, Trinity Health has the most groups, 52. Each clinician counts once per parent organization.
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.
Source: Dmand AI Org Hierarchy Data
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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.
65% of Michigan primary care 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 primary care groups by ownership
- Independent992
- Health system or hospital218
- Platform or corporate owner81
- Community or government42
- Other organization188
Sites of care beyond their own offices
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Dmand AI maps each group to the health system, physician platform or management company above it, so you can sell to the owner, not one site.
Source: Dmand AI Org Hierarchy Data
291 Michigan primary care groups practice at a hospital site, and 69 at a rural health clinic
Sites of care linked to each group in the org hierarchy, beyond its own offices. A group can practice at several kinds of site.
Michigan primary care groups by site of care
- Hospitals291
- Rural health clinics69
- FQHCs41
- Skilled nursing facilities40
- Hospices21
- Dialysis centers16
- Therapy and rehab centers14
- Behavioral health facilities10
- Ambulatory surgery centers8
- Home health agencies8
Clinicians in Michigan primary care groups
Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data
Dearborn has the most primary care groups in Michigan, with 95
More Michigan cities with primary care groups
- Troy40
- Grand Rapids38
- Livonia36
- Novi31
- Saginaw30
- Warren29
- Farmington Hills27
- Clinton Twp24
- Jackson23
- Redford22
- Shelby Twp21
- Traverse City21
- Grand Blanc17
- Bloomfield Hills16
- Canton16
Source: Doctors and Clinicians National Downloadable File (CMS)
Each Michigan primary care 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
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Sources: Doctors and Clinicians National Downloadable File (CMS), Medicare Physician & Other Practitioners (CMS) and Dmand AI Org Hierarchy Data
Sources for the Michigan primary care group list
| 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 inaccuracyRemove my information
Groups whose main specialty is primary care and that have a Medicare PAC ID.
FAQ
Frequently asked questions about primary care 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.
What is the largest internal medicine group in Michigan?
University of Michigan Health, based in Ann Arbor, with 846 internal medicine specialists and 4,246 HCPs. Henry Ford Health is second with 620.
What is the largest family medicine group in Michigan?
Medical Education Associates, based in Southfield, with 213 family physicians and 1,318 HCPs. Park Family Practice (Infinity Primary Care, PLLC) is second with 80.
How many primary care groups are in Michigan?
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. Between them they have 5,751 internal medicine specialists, 1,618 family physicians, 778 nurse practitioner specialists, 294 physician assistant specialists and 5 general practice specialists.
Which companies own the most primary care groups?
By physicians, Henry Ford Health, with 3,451 across 25 groups, followed by University of Michigan with 3,104 and Corewell Health with 2,576.
How many Michigan primary care groups are independent?
992, or 65%, have no larger parent organization in the Dmand AI org hierarchy. 218 belong to a health system or hospital and 81 to a physician platform or corporate owner.
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