Largest primary care groups in Connecticut
- Groups
- 344
- Internal Medicine groups
- 157
- Nurse Practitioner groups
- 101
- Internal medicine specialists
- 3,306
- Nurse practitioner specialists
- 306
There are 344 primary care groups in Connecticut with a Medicare PAC ID: 157 internal medicine, 101 nurse practitioner, 56 family medicine, 22 physician assistant and 6 general practice. Yale Health is the largest internal medicine group, with 656 internal medicine specialists, and CVS MinuteClinic the largest nurse practitioner group, with 56 nurse practitioner specialists.
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Yale Health is the largest primary care group in Connecticut, with 2,233 physicians
Ranked by physicians with a Connecticut address linked to each group. Hartford HealthCare Medical Group Specialists is second with 1,128, and Northeast Medical Group third with 1,047. 23 Connecticut groups have 100 or more physicians.
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Showing 1 to 10 of 344 primary care groups in Connecticut
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Yale Health is the largest internal medicine group in Connecticut, with 656 internal medicine specialists
Ranked by internal medicine specialists with a Connecticut address linked to each group whose main sub-specialty is internal medicine. Northeast Medical Group is second with 532, and Hartford HealthCare Medical Group Specialists third with 531.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
CVS MinuteClinic is the largest nurse practitioner group in Connecticut, with 56 nurse practitioner specialists
Ranked by nurse practitioner specialists with a Connecticut address linked to each group whose main sub-specialty is nurse practitioner. Proactive Health Care Management LLC is second with 36, and Stella Medical Care LLC third with 17.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Middlesex Health is the largest family medicine group in Connecticut, with 60 family physicians
Ranked by family physicians with a Connecticut address linked to each group whose main sub-specialty is family medicine. Middlesex Health is second with 45, and Family Medicine Center at Asylum Hill third with 20.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Farmington Valley Dermatology & Surgery is the largest physician assistant group in Connecticut, with 5 physician assistant specialists
Ranked by physician assistant specialists with a Connecticut address linked to each group whose main sub-specialty is physician assistant. Helar Campos MD & Associates Family Medical Center is second with 4, and Family Practice and Internal Medicine of New Haven County third with 4.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Complete Wound Care is the largest general practice group in Connecticut, with 4 general practice specialists
Ranked by general practice specialists with a Connecticut address linked to each group whose main sub-specialty is general practice. Wound Care Specialists, LLC is second with 3, and Advanced Pain and Regenerative Medical Solutions third with 2.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Hartford HealthCare has the most physicians in Connecticut primary care groups, with 2,238 across 23 groups
Dmand AI maps every medical group to its parent organization, up to the health system or platform at the top. 16 parent organizations have two or more Connecticut primary care groups. Each clinician counts once per parent organization.
See every medical group, site and clinician under Hartford HealthCare
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 344 Connecticut primary care groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
61% of Connecticut 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.
Connecticut primary care groups by ownership
- Independent211
- Health system or hospital62
- Platform or corporate owner48
- Community or government10
- Other organization13
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
64 Connecticut primary care groups practice at a hospital site, and 25 at an FQHC
Sites of care linked to each group in the org hierarchy, beyond its own offices. A group can practice at several kinds of site.
Connecticut primary care groups by site of care
- Hospitals64
- FQHCs25
- Skilled nursing facilities24
- Behavioral health facilities9
- Ambulatory surgery centers2
- Therapy and rehab centers2
- Hospices2
- Dialysis centers2
- Home health agencies1
Clinicians in Connecticut primary care groups
Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data
Shelton has the most primary care groups in Connecticut, with 16
More Connecticut cities with primary care groups
- Greenwich10
- Hartford10
- Stamford10
- Manchester9
- Waterbury9
- Glastonbury8
- Norwich8
- Wallingford8
- Fairfield7
- Meriden7
- Milford7
- West Hartford7
- Branford6
- East Haven6
- Danbury5
Source: Doctors and Clinicians National Downloadable File (CMS)
Each Connecticut 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 Connecticut 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 Connecticut
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 Connecticut?
Yale Health, based in New Haven, with 656 internal medicine specialists and 3,737 HCPs. Northeast Medical Group is second with 532.
What is the largest nurse practitioner group in Connecticut?
CVS MinuteClinic, based in Rocky Hill, with 56 nurse practitioner specialists and 60 HCPs. Proactive Health Care Management LLC is second with 36.
How many primary care groups are in Connecticut?
There are 344 primary care groups in Connecticut with a Medicare PAC ID: 157 internal medicine, 101 nurse practitioner, 56 family medicine, 22 physician assistant and 6 general practice. Between them they have 3,306 internal medicine specialists, 306 nurse practitioner specialists, 203 family physicians, 52 physician assistant specialists and 8 general practice specialists.
Which companies own the most primary care groups?
By physicians, Hartford HealthCare, with 2,238 across 23 groups, followed by Yale New Haven Health System with 1,188 and UnitedHealth Group with 835.
How many Connecticut primary care groups are independent?
211, or 61%, have no larger parent organization in the Dmand AI org hierarchy. 62 belong to a health system or hospital and 48 to a physician platform or corporate owner.
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