Updated October 2026

Largest primary care groups in California

Medical group directory
California
Primary care

Groups: 3,969
Internal Medicine groups: 1,835
Family Medicine groups: 1,169
Internal medicine specialists: 22,438
Family physicians: 4,605

There are 3,969 primary care groups in California with a Medicare PAC ID: 1,835 internal medicine, 1,169 family medicine, 619 nurse practitioner, 207 physician assistant and 138 general practice. The Permanente Medical Group, Inc. is the largest internal medicine group, with 3,018 internal medicine specialists, and MemorialCare Medical Group the largest family medicine group, with 247 family physicians.

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The Permanente Medical Group, Inc. is the largest primary care group in California, with 11,708 physicians

Ranked by physicians with a California address linked to each group. Southern California Permanente Medical Group is second with 11,175, and UCSF Pediatrics third with 3,527. 119 California groups have 100 or more physicians.

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Primary care groups in California, ranked by physicians, 1,001 to 1,050
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
1001	Veterans Home of California, BarstowBarstow · 2 sites	Parent on file	5	6	Decision makers
1002	3 Musketeers Medical GroupFresno · 1 site	-	5	5	Decision makers
1003	Berkeley Cardiovascular Medical GroupOakland · 2 sites	-	5	5	Decision makers
1004	Better Night Medical GroupSan Diego · 2 sites	Parent on file	5	5	Decision makers
1005	Beverly Hills Internal MedicineBeverly Hills · 2 sites	-	5	5	Decision makers
1006	Central Valley Cardiovascular Medical GroupTurlock · 4 sites	-	5	5	Decision makers
1007	Circle City EKG Reading PanelCorona · 1 site	-	5	5	Decision makers
1008	Coastal Cardiology of Orange CountyLadera Ranch · 3 sites	-	5	5	Decision makers
1009	Crescent Wound CareLa Jolla · 1 site	Parent on file	5	5	Decision makers
1010	Image OneSan Diego · 4 sites	Parent on file	5	5	Decision makers
1011	Innovative Medical GroupTemecula · 1 site	-	5	5	Decision makers
1012	Kidney & Hypertension CenterVictorville · 6 sites	-	5	5	Decision makers
1013	La Puente Valley Medical GroupLa Puente · 1 site	-	5	5	Decision makers
1014	Merced Turlock Nephrology Medical GroupMerced · 2 sites	Parent on file	5	5	Decision makers
1015	Mercy Cancer CenterMerced · 2 sites	Parent on file	5	5	Decision makers
1016	Orange County Lung CenterFullerton · 2 sites	-	5	5	Decision makers
1017	Orinda Medical GroupOrinda · 2 sites	-	5	5	Decision makers
1018	Pacific Palisades Medical GroupPacific Palisades · 3 sites	-	5	5	Decision makers
1019	PairtuSan Francisco · 2 sites	-	5	5	Decision makers
1020	Pasadena NephrologyPasadena · 2 sites	Parent on file	5	5	Decision makers
1021	Payam Mehranpour MDLa Mesa · 3 sites	-	5	5	Decision makers
1022	PremierCare PhysiciansTracy · 1 site	-	5	5	Decision makers
1023	Qazi Medical Group, Inc.Banning · 2 sites	-	5	5	Decision makers
1024	Santa Barbara Internal Medicine GroupSanta Barbara · 1 site	-	5	5	Decision makers
1025	Southern California ID AssociatesNewport Beach · 1 site	-	5	5	Decision makers
1026	Tele-ICUNorwalk · 2 sites	Parent on file	5	5	Decision makers
1027	Telehealthdocs Medical GroupBakersfield · 1 site	-	5	5	Decision makers
1028	Valley Cancer Medical CenterManteca · 2 sites	-	5	5	Decision makers
1029	VituityEmeryville · 6 sites	Parent on file	5	5	Decision makers
1030	Molina Care ConnectionsLong Beach · 21 sites	Parent on file	4	172	Decision makers
1031	MyndFull CareSan Diego · 4 sites	Parent on file	4	77	Decision makers
1032	Geri ConnectionPoway · 4 sites	-	4	76	Decision makers
1033	MyndFull CareSan Diego · 2 sites	Parent on file	4	65	Decision makers
1034	Bay View Health SolutionsCampbell · 2 sites	-	4	40	Decision makers
1035	MoGo Urgent Care - MontereyMonterey · 5 sites	Parent on file	4	37	Decision makers
1036	Global Integrated Medical GroupWest Covina · 1 site	Parent on file	4	33	Decision makers
1037	AFC Urgent Care Ladera RanchLadera Ranch · 3 sites	Parent on file	4	31	Decision makers
1038	Physicians and Surgeons Wound CareLos Angeles · 3 sites	Parent on file	4	27	Decision makers
1039	Montes Medical GroupWhittier · 5 sites	-	4	25	Decision makers
1040	Pair Team Medical GroupSan Francisco · 2 sites	-	4	23	Decision makers
1041	Anvar Medical GroupLos Angeles · 2 sites	-	4	21	Decision makers
1042	Pair TeamSan Francisco · 2 sites	-	4	21	Decision makers
1043	Iris Health Medical GroupSacramento · 4 sites	-	4	20	Decision makers
1044	DocGoTorrance · 1 site	Parent on file	4	19	Decision makers
1045	Innovative Medical GroupTemecula · 2 sites	-	4	19	Decision makers
1046	Redwood Urgent CareEureka · 2 sites	Parent on file	4	18	Decision makers
1047	Men's Health FoundationLos Angeles · 2 sites	Parent on file	4	17	Decision makers
1048	Kafri Heart & Vascular ClinicLa Mesa · 5 sites	-	4	16	Decision makers
1049	CornerHealth Urgent CareCosta Mesa · 2 sites	Parent on file	4	14	Decision makers
1050	Hany S. Aziz M.D., Inc.Bakersfield · 2 sites	-	4	14	Decision makers

Showing 1,001 to 1,050 of 3,969 primary care groups in California

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

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