Updated October 2026

Largest primary care groups in Connecticut

Medical group directory
Connecticut
Primary care

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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Primary care groups in Connecticut, ranked by physicians, 51 to 100
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
51	Internal Medicine of Greater New HavenHamden · 6 sites	-	9	35	Decision makers
52	DOCS Medical GroupEast Haven · 6 sites	Parent on file	9	27	Decision makers
53	East Granby Family PracticeEast Granby · 2 sites	-	9	16	Decision makers
54	Endocrine Associates of ConnecticutHamden · 4 sites	-	9	15	Decision makers
55	Nephrology Associates, P.C.Trumbull · 2 sites	-	9	14	Decision makers
56	Metabolism AssociatesNew Haven · 3 sites	-	9	11	Decision makers
57	Connecticut Kidney and Hypertension SpecialistsWaterbury · 3 sites	-	9	10	Decision makers
58	Masonicare Health CenterWallingford · 3 sites	Parent on file	9	9	Decision makers
59	Yale New Haven Health Urgent CareBrookfield · 29 sites	Parent on file	8	87	Decision makers
60	DOCS Medical GroupEast Haven · 10 sites	Parent on file	8	23	Decision makers
61	Rosewood Hills HealthcareShelton · 3 sites	Parent on file	8	17	Decision makers
62	Adv. Cardiovascular Specialists & Primary CareBridgeport · 2 sites	-	8	15	Decision makers
63	Hematology Oncology PCStamford · 2 sites	Parent on file	8	13	Decision makers
64	Middlesex Gastroenterology AssociatesMiddletown · 1 site	-	8	13	Decision makers
65	Pulmonary Physicians of NorwichNorwich · 4 sites	-	8	10	Decision makers
66	Glenville Medical Concierge CareGreenwich · 1 site	-	8	8	Decision makers
67	New Milford Medical GroupNew Milford · 2 sites	-	7	14	Decision makers
68	ECHO Associates (Eastern Connecticut Hematology & Oncology)Norwich · 2 sites	-	7	13	Decision makers
69	Internal Medicine of MilfordMilford · 1 site	-	7	13	Decision makers
70	Connecticut Oncology GroupMiddletown · 1 site	-	7	11	Decision makers
71	Digestive Disease AssociatesBranford · 5 sites	-	7	9	Decision makers
72	Southeastern Connecticut Nephrology AssociatesUncasville · 2 sites	Parent on file	7	9	Decision makers
73	Norwalk HospitalNorwalk · 25 sites	Parent on file	7	8	Decision makers
74	Connecticut Gastroenterology Associates, P.C.Hartford · 1 site	-	6	12	Decision makers
75	Wound Care Specialists, LLCFarmington · 1 site	Parent on file	6	9	Decision makers
76	Greater Hartford NephrologyBloomfield · 2 sites	-	6	8	Decision makers
77	Concierge Physicians of WestportWestport · 1 site	-	6	6	Decision makers
78	Feel Well Health CenterPlantsville · 2 sites	-	5	19	Decision makers
79	CareMEDICANorth Haven · 4 sites	-	5	16	Decision makers
80	Emerald Fern Wellness PCShelton · 4 sites	Parent on file	5	16	Decision makers
81	Patient Choice Medical CareHamden · 3 sites	-	5	14	Decision makers
82	Quinnipiac Medical of BranfordBranford · 1 site	Parent on file	5	14	Decision makers
83	Hebrew Senior CareWest Hartford · 1 site	Parent on file	5	12	Decision makers
84	Northeastern Pulmonary AssociatesVernon · 1 site	-	5	12	Decision makers
85	Mansfield Family PracticeStorrs · 2 sites	-	5	10	Decision makers
86	TapestryHealthStratford · 4 sites	Parent on file	5	7	Decision makers
87	Hartford HealthCare Medical Group Specialty Care - Pulmonology - MeridenMeriden · 1 site	Parent on file	5	6	Decision makers
88	Nephrology and Hypertension AssociatesMiddlebury · 1 site	-	5	6	Decision makers
89	Shafa Medical CenterEast Hartford · 2 sites	-	5	6	Decision makers
90	Drs. Thompson, Goldberg, Donka, and ManthousNiantic · 1 site	-	5	5	Decision makers
91	Geriatric Professional GroupBridgeport · 1 site	-	5	5	Decision makers
92	AFC Urgent Care TrumbullTrumbull · 4 sites	Parent on file	4	39	Decision makers
93	AFC Urgent Care New HavenNew Haven · 2 sites	Parent on file	4	24	Decision makers
94	DOCS Medical GroupNorth Haven · 2 sites	Parent on file	4	14	Decision makers
95	Quotidian HealthSharon · 4 sites	Parent on file	4	14	Decision makers
96	Complete Wound CareWallingford · 3 sites	-	4	12	Decision makers
97	AFC Urgent Care StamfordStamford · 2 sites	Parent on file	4	11	Decision makers
98	Oak Street HealthWaterbury · 3 sites	Parent on file	4	10	Decision makers
99	Sevi Health, Internal Medicine of West HavenWest Haven · 4 sites	Parent on file	4	10	Decision makers
100	Johnson Memorial HospitalStafford Springs · 1 site	Parent on file	4	8	Decision makers

Showing 51 to 100 of 344 primary care groups in Connecticut

Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data

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