Updated October 2026

Medical groups in California

Medical group directory
California

Medical groups: 10,378
Multi-specialty: 2,304
Single-specialty: 8,073
More than one site: 4,683
100+ physicians: 219

There are 10,378 medical groups in California with a Medicare PAC ID. The Permanente Medical Group, Inc. is the largest, with 11,708 California physicians. Kaiser Permanente has the most physicians across its groups, 22,698, and 73% of California groups are independent.

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The Permanente Medical Group, Inc. is the largest medical 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. 219 California groups have 100 or more physicians.

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Medical groups in California, ranked by physicians, 601 to 650
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
601	Enloe Health & Wellness Primary CareChico · 6 sites	Parent on file	36	51	Decision makers
602	Desert Trauma SurgeonsLynwood · 7 sites	Parent on file	36	47	Decision makers
603	Pioneer Medical GroupBellflower · 7 sites	Parent on file	36	47	Decision makers
604	VP Anesthesia PartnersVannuys · 4 sites	-	36	45	Decision makers
605	Sharp Coronado Hospital Emergency RoomCoronado · 8 sites	Parent on file	36	42	Decision makers
606	Coastal Anesthesiology Medical AssociatesSan Luis Obispo · 7 sites	-	36	41	Decision makers
607	Chavez Emergency Physicians Medical Group IncQuincy · 2 sites	Parent on file	36	37	Decision makers
608	Paloma Medical GroupSan Juan Capistrano · 6 sites	-	36	37	Decision makers
609	Bloomington Community Health CenterBloomington · 8 sites	Parent on file	35	96	Decision makers
610	Saban Community ClinicLos Angeles · 5 sites	Parent on file	35	78	Decision makers
611	Marque Urgent CareNewport Beach · 10 sites	Parent on file	35	72	Decision makers
612	Bakersfield Family Medical GroupBakersfield · 6 sites	Parent on file	35	63	Decision makers
613	Caduceus Medical GroupYorba Linda · 7 sites	-	35	61	Decision makers
614	The Nephrology Group, Inc.Fresno · 9 sites	-	35	60	Decision makers
615	Asian Pacific Health Care VentureLos Angeles · 5 sites	Parent on file	35	58	Decision makers
616	Serra Medical GroupSun Valley · 3 sites	-	35	58	Decision makers
617	Inpatient Consultants of CaliforniaBerkeley · 12 sites	-	35	45	Decision makers
618	Moran, Rowen & Dorsey (MRD Imaging)Orange · 16 sites	Parent on file	35	39	Decision makers
619	Equity AnesthesiaIrvine · 6 sites	-	35	36	Decision makers
620	NewPath LabsNewport Beach · 10 sites	-	35	36	Decision makers
621	Anesthesiology Consultants of MarinGreenbrae · 2 sites	-	35	35	Decision makers
622	Advanced Pain Medical GroupWest Hills · 15 sites	-	34	91	Decision makers
623	Sierra Pacific OrthopedicsFresno · 2 sites	Parent on file	34	70	Decision makers
624	Seva Medical GroupBanning · 5 sites	Parent on file	34	66	Decision makers
625	Westside Anesthesia ServicesManhattan Beach · 9 sites	-	34	61	Decision makers
626	Premier Valley Medical GroupBakersfield · 10 sites	-	34	60	Decision makers
627	Stephen R. Shea, M.D., Inc.San Pedro · 5 sites	Parent on file	34	58	Decision makers
628	Eden Emergency Medical GroupCastro Valley · 7 sites	Parent on file	34	57	Decision makers
629	The Neurology Center of Southern CaliforniaCarlsbad · 12 sites	-	34	49	Decision makers
630	Jaspreet Somal M.D., A.P.C.San Diego · 3 sites	-	34	36	Decision makers
631	North Pacific Cardiology MedicalArcata · 4 sites	-	34	35	Decision makers
632	Omni Wound PhysiciansNewhall · 4 sites	Parent on file	33	83	Decision makers
633	Catalina Island HealthAvalon · 1 site	Parent on file	33	46	Decision makers
634	CHA Hollywood Presbyterian Medical CenterLos Angeles · 3 sites	Parent on file	33	40	Decision makers
635	UCLA Head & Neck AssociatesLos Angeles · 11 sites	Parent on file	33	40	Decision makers
636	Pacific Cardiovascular Associates (PCA) Medical GroupCosta Mesa · 7 sites	-	33	39	Decision makers
637	Newport Diagnostic CenterNewport Beach · 4 sites	Parent on file	33	36	Decision makers
638	Simi Valley Anesthesia Medical GroupSimi Valley · 4 sites	-	33	35	Decision makers
639	Los Angeles Radiology Medical AssociatesGlendale · 7 sites	-	33	33	Decision makers
640	Luna Care Physical TherapyLos Gatos · 175 sites	Parent on file	32	1,357	Decision makers
641	Cloverdale Community Mental Health Center (CMHC Cloverdale)Cloverdale · 21 sites	Parent on file	32	90	Decision makers
642	In-Patient Medical GroupEncinitas · 7 sites	Parent on file	32	49	Decision makers
643	Anaheim Emergency Medical GroupAnaheim · 6 sites	-	32	47	Decision makers
644	Kennewick Radiology GroupSan Marino · 46 sites	-	32	32	Decision makers
645	Redwood Regional Medical GroupSanta Rosa · 6 sites	-	32	32	Decision makers
646	Altamont Emergency PhysiciansModesto · 3 sites	-	31	62	Decision makers
647	Children's Hospital Los Angeles (CHLA) Medical Group, Valencia Care CenterValencia · 6 sites	Parent on file	31	57	Decision makers
648	West Hills Emergency Medical AssociatesWest Hills · 3 sites	-	31	53	Decision makers
649	Salinas Valley Emergency Medical GroupMonterey · 2 sites	Parent on file	31	49	Decision makers
650	Relevo HealthModesto · 7 sites	Parent on file	31	47	Decision makers

Showing 601 to 650 of 10,378 medical groups in California

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

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