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, 1,651 to 1,700
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
1651	Capital Pediatric CardiologySacramento · 3 sites	-	8	8	Decision makers
1652	Cardio Medical Consultants GroupLynwood · 2 sites	-	8	8	Decision makers
1653	Central Coast Critical Care AssociatesSanta Barbara · 2 sites	-	8	8	Decision makers
1654	Chula Vista Anesthesia ConsultantsChula Vista · 1 site	Parent on file	8	8	Decision makers
1655	Coast Surgical GroupChula Vista · 1 site	-	8	8	Decision makers
1656	Coastal 7 AnesthesiologyFountain Valley · 3 sites	-	8	8	Decision makers
1657	East Bay Retina Consultants, Inc.Oakland · 8 sites	-	8	8	Decision makers
1658	EyestheticaPasadena · 8 sites	-	8	8	Decision makers
1659	High Desert Pathology Medical GroupVictorville · 11 sites	-	8	8	Decision makers
1660	ID Med, A Medical CorporationTorrance · 1 site	Parent on file	8	8	Decision makers
1661	La Jolla Pulmonary & Critical CareLa Jolla · 1 site	Parent on file	8	8	Decision makers
1662	Mission Pathology ConsultantsSanta Barbara · 1 site	Parent on file	8	8	Decision makers
1663	Neurovascular and Spine AssociatesMission Viejo · 4 sites	-	8	8	Decision makers
1664	Newport Diagnostic CenterNewport Beach · 2 sites	Parent on file	8	8	Decision makers
1665	Sacramento NeuroPsych AssociatesFolsom · 3 sites	-	8	8	Decision makers
1666	San Bernardino Urological Associates Medical GroupSan Bernardino · 2 sites	Parent on file	8	8	Decision makers
1667	San Diego Surgical SpecialistsSan Diego · 2 sites	-	8	8	Decision makers
1668	San Joaquin Cardiology Medical GroupStockton · 3 sites	-	8	8	Decision makers
1669	Santa Monica Women’s HealthSanta Monica · 1 site	-	8	8	Decision makers
1670	Stockdale RadiologyBakersfield · 6 sites	Parent on file	8	8	Decision makers
1671	Synergy SurgicalistsGrass Valley · 2 sites	Parent on file	8	8	Decision makers
1672	The Surgery Center of Alta Bates Summit Medical CenterOakland · 2 sites	Parent on file	8	8	Decision makers
1673	The Vision InstituteRancho Mirage · 3 sites	-	8	8	Decision makers
1674	Thousand Oaks Pathology (TOPA Diagnostics)Thousand Oaks · 2 sites	Parent on file	8	8	Decision makers
1675	Vascular Neurology of Southern CaliforniaThousand Oaks · 6 sites	-	8	8	Decision makers
1676	West Coast Ear, Nose, and ThroatSimi Valley · 3 sites	Parent on file	8	8	Decision makers
1677	Western Gastroenterology Care Associates IncLa Mesa · 3 sites	-	8	8	Decision makers
1678	Western Laboratory Medical GroupAlameda · 2 sites	-	8	8	Decision makers
1679	CVS MinuteClinicBurbank · 23 sites	Parent on file	7	202	Decision makers
1680	Bay Area Foot CareCastro Valley · 52 sites	Parent on file	7	146	Decision makers
1681	Evolution Physical TherapyCulver City · 15 sites	Parent on file	7	118	Decision makers
1682	Care Connectors Medical GroupBuffalo · 3 sites	-	7	100	Decision makers
1683	Foothills Psychological ServicesUpland · 7 sites	-	7	92	Decision makers
1684	Woundtech of CaliforniaLos Angeles · 4 sites	Parent on file	7	64	Decision makers
1685	Clarvida CaliforniaPico Rivera · 11 sites	Parent on file	7	63	Decision makers
1686	Cottage Urgent CareSanta Barbara · 14 sites	Parent on file	7	63	Decision makers
1687	Clarvida CaliforniaPico Rivera · 17 sites	Parent on file	7	43	Decision makers
1688	Optima Health CorpRiverside · 4 sites	-	7	38	Decision makers
1689	Vital Medical GroupGlendale · 1 site	-	7	37	Decision makers
1690	Regal Medical GroupNorthridge · 3 sites	Parent on file	7	36	Decision makers
1691	Carelon HealthCerritos · 7 sites	Parent on file	7	33	Decision makers
1692	The Mobile DrsGlendale · 3 sites	Parent on file	7	32	Decision makers
1693	California Urgent Care CenterStockton · 4 sites	Parent on file	7	30	Decision makers
1694	Clineva Urgent CareLake Forest · 7 sites	Parent on file	7	29	Decision makers
1695	Southern California Psychology CentersSan Diego · 4 sites	-	7	29	Decision makers
1696	Prowellness HealthCareRancho Cucamonga · 1 site	-	7	28	Decision makers
1697	Karuk Tribal Health ProgramYreka · 5 sites	Parent on file	7	27	Decision makers
1698	Loma Linda University School of DentistryLoma Linda · 5 sites	Parent on file	7	26	Decision makers
1699	Advanced Dermatology & Skin Cancer SpecialistsTemecula · 10 sites	-	7	25	Decision makers
1700	Herald Christian Health CenterEl Monte · 6 sites	Parent on file	7	25	Decision makers

Showing 1,651 to 1,700 of 10,378 medical groups in California

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

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