Largest primary care groups in Missouri
- Groups
- 487
- Internal Medicine groups
- 230
- Family Medicine groups
- 136
- Internal medicine specialists
- 3,086
- Family physicians
- 928
There are 487 primary care groups in Missouri with a Medicare PAC ID: 230 internal medicine, 136 family medicine, 100 nurse practitioner, 18 physician assistant and 3 general practice. WashU Medicine Psychiatry is the largest internal medicine group, with 547 internal medicine specialists, and Mercy Clinic East Communities the largest family medicine group, with 174 family physicians.
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WashU Medicine Psychiatry is the largest primary care group in Missouri, with 2,454 physicians
Ranked by physicians with a Missouri address linked to each group. SLUCare Physician Group is second with 868, and University of Missouri Health Care third with 836. 38 Missouri groups have 100 or more physicians.
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Showing 1 to 10 of 487 primary care groups in Missouri
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
WashU Medicine Psychiatry is the largest internal medicine group in Missouri, with 547 internal medicine specialists
Ranked by internal medicine specialists with a Missouri address linked to each group whose main sub-specialty is internal medicine. Saint Luke's Medical Group is second with 217, and Mercy Hospital St. Louis third with 182.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Mercy Clinic East Communities is the largest family medicine group in Missouri, with 174 family physicians
Ranked by family physicians with a Missouri address linked to each group whose main sub-specialty is family medicine. CoxHealth Primrose OBGYN is second with 92, and CoxHealth Neurology third with 85.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Specialized Wound Management is the largest nurse practitioner group in Missouri, with 19 nurse practitioner specialists
Ranked by nurse practitioner specialists with a Missouri address linked to each group whose main sub-specialty is nurse practitioner. Missouri MSO LLC is second with 12, and Managed Care Inc third with 6. Nine of the ten are independent.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Advanced Family Medicine and Wellness Center is the largest physician assistant group in Missouri, with 7 physician assistant specialists
Ranked by physician assistant specialists with a Missouri address linked to each group whose main sub-specialty is physician assistant. Medical Weight Management Specialists, LLC is second with 6, and NovaHealth Medical Group third with 4.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Bridges Medical Services is the largest general practice group in Missouri, with 2 general practice specialists
Ranked by general practice specialists with a Missouri address linked to each group whose main sub-specialty is general practice. Primary Care of Bonne Terre is second with 1.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Washington University in St. Louis has the most physicians in Missouri primary care groups, with 2,464 across 5 groups
Dmand AI maps every medical group to its parent organization, up to the health system or platform at the top. 27 parent organizations have two or more Missouri primary care groups. Among health systems, Mercy has the most groups, 35. Each clinician counts once per parent organization.
- Washington University in St. Louis
- WashU Medicine Psychiatry
- Heart Care Institute
- 3 more Missouri groups and their practice sites
See every medical group, site and clinician under Washington University in St. Louis
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 487 Missouri primary care groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
44% of Missouri 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.
Missouri primary care groups by ownership
- Independent216
- Health system or hospital161
- Platform or corporate owner35
- Community or government39
- Other organization36
Sites of care beyond their own offices
See the parent organization above every Missouri 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
166 Missouri primary care groups practice at a hospital site, and 82 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.
Missouri primary care groups by site of care
- Hospitals166
- Rural health clinics82
- Skilled nursing facilities33
- FQHCs32
- Dialysis centers17
- Therapy and rehab centers9
- Hospices6
- Ambulatory surgery centers5
- Home health agencies3
- Behavioral health facilities2
Clinicians in Missouri primary care groups
Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data
Saint Louis has the most primary care groups in Missouri, with 110
More Missouri cities with primary care groups
- Independence9
- Joplin9
- Branson8
- Bridgeton8
- Florissant8
- Farmington7
- Fenton7
- Festus6
- Lee'S Summit6
- Poplar Bluff6
- Rolla6
- Saint Charles6
- Blue Springs5
- Kirksville5
- Saint Joseph5
Source: Doctors and Clinicians National Downloadable File (CMS)
Each Missouri 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 Missouri 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 Missouri
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 Missouri?
WashU Medicine Psychiatry, based in Saint Louis, with 547 internal medicine specialists and 3,750 HCPs. Saint Luke's Medical Group is second with 217.
What is the largest family medicine group in Missouri?
Mercy Clinic East Communities, based in Saint Louis, with 174 family physicians and 864 HCPs. CoxHealth Primrose OBGYN is second with 92.
How many primary care groups are in Missouri?
There are 487 primary care groups in Missouri with a Medicare PAC ID: 230 internal medicine, 136 family medicine, 100 nurse practitioner, 18 physician assistant and 3 general practice. Between them they have 3,086 internal medicine specialists, 928 family physicians, 231 nurse practitioner specialists, 41 physician assistant specialists and 3 general practice specialists.
Which companies own the most primary care groups?
By physicians, Washington University in St. Louis, with 2,464 across 5 groups, followed by Mercy with 2,170 and SSM Health Care with 1,496.
How many Missouri primary care groups are independent?
216, or 44%, have no larger parent organization in the Dmand AI org hierarchy. 161 belong to a health system or hospital and 35 to a physician platform or corporate owner.
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