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, 6,501 to 6,550
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
6501	Carmichael Medical ClinicCarmichael · 1 site	-	1	2	Decision makers
6502	Carrillo Medical GroupDaly City · 1 site	-	1	2	Decision makers
6503	Castle Dermatology InstituteTarzana · 1 site	-	1	2	Decision makers
6504	Catalyst Neuromedical CenterRedding · 2 sites	-	1	2	Decision makers
6505	Cedars Tower Medical GroupLos Angeles · 1 site	-	1	2	Decision makers
6506	Center for Endocrinology, Diabetes and Metabolic DisordersNewhall · 2 sites	Parent on file	1	2	Decision makers
6507	Center for Hip Preservation and Children’s OrthopedicsVista · 1 site	-	1	2	Decision makers
6508	Center for SightSacramento · 1 site	-	1	2	Decision makers
6509	Central Coast Comprehensive Cardiovascular ImagingSanta Maria · 1 site	Parent on file	1	2	Decision makers
6510	Central Coast Endocrinology & DiabetesSanta Maria · 1 site	-	1	2	Decision makers
6511	Central Coast OtolaryngologySanta Maria · 1 site	-	1	2	Decision makers
6512	Central Health and SaludWinnetka · 1 site	-	1	2	Decision makers
6513	Central Valley Hip and KneeTurlock · 1 site	-	1	2	Decision makers
6514	Central Valley Medical GroupBakersfield · 2 sites	-	1	2	Decision makers
6515	Central Valley Skin SpecialistsOakdale · 1 site	-	1	2	Decision makers
6516	Centro Medico Del CarmenEscondido · 2 sites	-	1	2	Decision makers
6517	Century Eye CareGardena · 1 site	-	1	2	Decision makers
6518	Century Wellness CenterLos Angeles · 1 site	-	1	2	Decision makers
6519	Cerebrovascular & Endovascular Neurosurgery San DiegoSan Diego · 1 site	Parent on file	1	2	Decision makers
6520	Cerritos Medical CenterCerritos · 1 site	-	1	2	Decision makers
6521	Cesar Palana MDLos Angeles · 1 site	-	1	2	Decision makers
6522	Chaewon Song MD INCGarden Grove · 1 site	Parent on file	1	2	Decision makers
6523	Chao Vision InstituteIrvine · 1 site	-	1	2	Decision makers
6524	Charles Chalekson Plastic SurgeryTempleton · 1 site	-	1	2	Decision makers
6525	CHI DermatologyWalnut Creek · 1 site	-	1	2	Decision makers
6526	Children & Family Medical CareMerced · 1 site	-	1	2	Decision makers
6527	Chona Badar Green, MDLaguna Hills · 1 site	-	1	2	Decision makers
6528	Chorbajian Medical CorpBurbank · 1 site	-	1	2	Decision makers
6529	Christopher C. Lai, MDBrawley · 2 sites	-	1	2	Decision makers
6530	Christopher Hoshino MD IncLong Beach · 1 site	-	1	2	Decision makers
6531	Christopher Kassar DOSan Dimas · 1 site	-	1	2	Decision makers
6532	Christopher N Do, MDSan Jose · 1 site	-	1	2	Decision makers
6533	Christopher O. Neubuerger, MD, Inc.Sacramento · 1 site	-	1	2	Decision makers
6534	Christopher Tiner MDPasadena · 1 site	-	1	2	Decision makers
6535	CIT ClinicsCorte Madera · 1 site	Parent on file	1	2	Decision makers
6536	City Medical Clinic GroupLos Angeles · 1 site	Parent on file	1	2	Decision makers
6537	Claremont Medical CenterClaremont · 1 site	-	1	2	Decision makers
6538	Claremont Medical CenterClaremont · 1 site	-	1	2	Decision makers
6539	Clarus HealthSan Francisco · 1 site	Parent on file	1	2	Decision makers
6540	Classic Urgent CareSanger · 1 site	-	1	2	Decision makers
6541	Claudio Zawitkowski, MD Inc.San Diego · 1 site	-	1	2	Decision makers
6542	Clayson Longview HealthSan Francisco · 1 site	-	1	2	Decision makers
6543	Clinica Medica Centro HispanoWest Covina · 1 site	-	1	2	Decision makers
6544	Clinica Medica FamiliarCorona · 1 site	-	1	2	Decision makers
6545	Clinica Medica FamiliarPerris · 1 site	-	1	2	Decision makers
6546	Clinica Medica FamiliarCorona · 1 site	-	1	2	Decision makers
6547	Clinica Medica LatinaMoreno Valley · 1 site	-	1	2	Decision makers
6548	Clinica Medica Nuestra SenoraPasadena · 1 site	-	1	2	Decision makers
6549	Clinica Medica PacoimaPacoima · 1 site	-	1	2	Decision makers
6550	Clinica Medica San FelipeInglewood · 1 site	-	1	2	Decision makers

Showing 6,501 to 6,550 of 10,378 medical groups in California

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

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