Largest OB/GYN and women's health groups in Michigan
- Groups
- 65
- Obstetrics and Gynecology groups
- 58
- Advanced Practice Midwife groups
- 7
- OB-GYNs
- 456
- Advanced practice midwife specialists
- 19
There are 65 OB/GYN and women's health groups in Michigan with a Medicare PAC ID: 58 obstetrics and gynecology and 7 advanced practice midwife. Corewell Health William Beaumont University Hospital is the largest obstetrics and gynecology group, with 119 OB-GYNs, and Women's Excellence in Obstetrics and Gynecology the largest advanced practice midwife group, with 13 advanced practice midwife specialists.
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Corewell Health William Beaumont University Hospital is the largest OB/GYN and women's health group in Michigan, with 708 physicians
Ranked by physicians with a Michigan address linked to each group. Corewell Health Ludington Hospital is second with 94, and Corewell Health Pennock Hospital third with 93. 1 Michigan group has 100 or more physicians.
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Showing 1 to 50 of 65 OB/GYN and women's health groups in Michigan
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Corewell Health William Beaumont University Hospital is the largest obstetrics and gynecology group in Michigan, with 119 OB-GYNs
Ranked by OB-GYNs with a Michigan address linked to each group whose main sub-specialty is obstetrics and gynecology. Alliance Obstetrics & Gynecology is second with 75, and Eastside Gynecology & Obstetrics third with 56.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Women's Excellence in Obstetrics and Gynecology is the largest advanced practice midwife group in Michigan, with 13 advanced practice midwife specialists
Ranked by advanced practice midwife specialists with a Michigan address linked to each group whose main sub-specialty is advanced practice midwife. Haddad Medical is second with 2, and Detroit Health Department third with 1. Five of the six are independent.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Corewell Health has the most physicians in Michigan OB/GYN and women's health groups, with 894 across 5 groups
Dmand AI maps every medical group to its parent organization, up to the health system or platform at the top. 3 parent organizations have two or more Michigan OB/GYN and women's health groups. Among health systems, Trinity Health has the most groups, 6. Each clinician counts once per parent organization.
See every medical group, site and clinician under Corewell 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 65 Michigan OB/GYN and women's health groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
69% of Michigan OB/GYN and women's health 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 OB/GYN and women's health groups by ownership
- Independent45
- Health system or hospital14
- Platform or corporate owner3
- Community or government3
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
17 Michigan OB/GYN and women's health groups practice at a hospital site, and 4 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 OB/GYN and women's health groups by site of care
- Hospitals17
- Rural health clinics4
- Ambulatory surgery centers1
- FQHCs1
Clinicians in Michigan OB/GYN and women's health groups
Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data
Dearborn has the most OB/GYN and women's health groups in Michigan, with 5
More Michigan cities with OB/GYN and women's health groups
- Canton2
- Detroit2
- Livonia2
- Port Huron2
- Rochester Hills2
- Southfield2
- Battle Creek1
- Big Rapids1
- Bloomfield Hills1
- Dearborn Heights1
- East Lansing1
- Farmington Hills1
- Garden City1
- Grand Rapids1
- Gwinn1
Source: Doctors and Clinicians National Downloadable File (CMS)
Each Michigan OB/GYN and women's health 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 OB/GYN and women's health 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 OB/GYN and women's health and that have a Medicare PAC ID.
FAQ
Frequently asked questions about OB/GYN and women's health groups in Michigan
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What is the largest obstetrics and gynecology group in Michigan?
Corewell Health William Beaumont University Hospital, based in Royal Oak, with 119 OB-GYNs and 1,211 HCPs. Alliance Obstetrics & Gynecology is second with 75.
What is the largest advanced practice midwife group in Michigan?
Women's Excellence in Obstetrics and Gynecology, based in Lake Orion, with 13 advanced practice midwife specialists and 47 HCPs. Haddad Medical is second with 2.
How many OB/GYN and women's health groups are in Michigan?
There are 65 OB/GYN and women's health groups in Michigan with a Medicare PAC ID: 58 obstetrics and gynecology and 7 advanced practice midwife. Between them they have 456 OB-GYNs and 19 advanced practice midwife specialists.
Which companies own the most OB/GYN and women's health groups?
By physicians, Corewell Health, with 894 across 5 groups, followed by Trinity Health with 137 and Unified Women's Healthcare with 11.
How many Michigan OB/GYN and women's health groups are independent?
45, or 69%, have no larger parent organization in the Dmand AI org hierarchy. 14 belong to a health system or hospital and 3 to a physician platform or corporate owner.
Why are ob/gyn and women's health listed together?
They share one specialty category in the Dmand AI medical group data. This page also ranks each sub-specialty on its own, by its own specialists.
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