Largest primary care groups in Wisconsin
- Groups
- 234
- Internal Medicine groups
- 112
- Family Medicine groups
- 64
- Internal medicine specialists
- 3,125
- Family physicians
- 675
There are 234 primary care groups in Wisconsin with a Medicare PAC ID: 112 internal medicine, 64 family medicine, 52 nurse practitioner and 4 physician assistant. Aurora Medical Group is the largest internal medicine group, with 578 internal medicine specialists, and Lakeshore Medical Clinic the largest family medicine group, with 125 family physicians.
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Aurora Medical Group is the largest primary care group in Wisconsin, with 2,410 physicians
Ranked by physicians with a Wisconsin address linked to each group. Froedtert & the Medical College of Wisconsin Community Physicians is second with 2,131, and UW Health third with 2,054. 44 Wisconsin groups have 100 or more physicians.
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Showing 1 to 10 of 234 primary care groups in Wisconsin
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Aurora Medical Group is the largest internal medicine group in Wisconsin, with 578 internal medicine specialists
Ranked by internal medicine specialists with a Wisconsin address linked to each group whose main sub-specialty is internal medicine. UW Health is second with 539, and Froedtert & the Medical College of Wisconsin Community Physicians third with 445.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Lakeshore Medical Clinic is the largest family medicine group in Wisconsin, with 125 family physicians
Ranked by family physicians with a Wisconsin address linked to each group whose main sub-specialty is family medicine. ProHealth Medical Group is second with 94, and Access Community Health Centers third with 64.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Aurora Clinic at Walgreens (Aurora Quick Care) is the largest nurse practitioner group in Wisconsin, with 25 nurse practitioner specialists
Ranked by nurse practitioner specialists with a Wisconsin address linked to each group whose main sub-specialty is nurse practitioner. Pivotal Health is second with 16, and Midwest Mobile Wound Care third with 9.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Neurosurgery and Endovascular Associates is the largest physician assistant group in Wisconsin, with 4 physician assistant specialists
Ranked by physician assistant specialists with a Wisconsin address linked to each group whose main sub-specialty is physician assistant. Nova Integrated Care is second with 3, and Wisconsin Institute of Plastic Surgery third with 3.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Froedtert ThedaCare Health has the most physicians in Wisconsin primary care groups, with 3,033 across 5 groups
Dmand AI maps every medical group to its parent organization, up to the health system or platform at the top. 20 parent organizations have two or more Wisconsin primary care groups. Among health systems, Advocate Health has the most groups, 10. Each clinician counts once per parent organization.
See every medical group, site and clinician under Froedtert ThedaCare 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 234 Wisconsin primary care groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
45% of Wisconsin 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.
Wisconsin primary care groups by ownership
- Independent105
- Health system or hospital72
- Platform or corporate owner26
- Community or government5
- Other organization26
Sites of care beyond their own offices
See the parent organization above every Wisconsin group
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
100 Wisconsin primary care groups practice at a hospital site, and 30 at a skilled nursing facility
Sites of care linked to each group in the org hierarchy, beyond its own offices. A group can practice at several kinds of site.
Wisconsin primary care groups by site of care
- Hospitals100
- Skilled nursing facilities30
- Rural health clinics28
- FQHCs14
- Hospices14
- Ambulatory surgery centers13
- Behavioral health facilities12
- Dialysis centers8
- Therapy and rehab centers5
- Home health agencies2
Clinicians in Wisconsin primary care groups
Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data
Milwaukee has the most primary care groups in Wisconsin, with 51
More Wisconsin cities with primary care groups
- Eau Claire5
- Neenah5
- Glendale4
- Kenosha4
- La Crosse4
- De Pere3
- Franklin3
- Grafton3
- Manitowoc3
- Mequon3
- Thiensville3
- Watertown3
- Wauwatosa3
- Ashland2
- Beloit2
Source: Doctors and Clinicians National Downloadable File (CMS)
Each Wisconsin 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
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 Wisconsin 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 Wisconsin
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 Wisconsin?
Aurora Medical Group, based in Milwaukee, with 578 internal medicine specialists and 4,843 HCPs. UW Health is second with 539.
What is the largest family medicine group in Wisconsin?
Lakeshore Medical Clinic, based in Saint Francis, with 125 family physicians and 1,046 HCPs. ProHealth Medical Group is second with 94.
How many primary care groups are in Wisconsin?
There are 234 primary care groups in Wisconsin with a Medicare PAC ID: 112 internal medicine, 64 family medicine, 52 nurse practitioner and 4 physician assistant. Between them they have 3,125 internal medicine specialists, 675 family physicians, 168 nurse practitioner specialists and 10 physician assistant specialists.
Which companies own the most primary care groups?
By physicians, Froedtert ThedaCare Health, with 3,033 across 5 groups, followed by Advocate Health with 2,782 and Ascension Health Alliance with 1,150.
How many Wisconsin primary care groups are independent?
105, or 45%, have no larger parent organization in the Dmand AI org hierarchy. 72 belong to a health system or hospital and 26 to a physician platform or corporate owner.
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