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, 7,551 to 7,600
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
7551	Oak Tree OptometryRancho Cordova · 13 sites	-	-	27	Decision makers
7552	PACC Mental Health ServicesSanta Clarita · 1 site	Parent on file	-	27	Decision makers
7553	Precision Physical Therapy & FitnessSanta Cruz · 4 sites	-	-	27	Decision makers
7554	Through The Sea Marriage and Family CounselingWest Covina · 2 sites	-	-	27	Decision makers
7555	Coury & Buehler Physical TherapyBrea · 6 sites	Parent on file	-	26	Decision makers
7556	Escondido Anesthesia Associates LPEscondido · 4 sites	Parent on file	-	26	Decision makers
7557	maXum TherapyPlacentia · 2 sites	-	-	26	Decision makers
7558	Molina HealthcareLong Beach · 5 sites	Parent on file	-	26	Decision makers
7559	Second Wave Physical TherapyPort Hueneme · 7 sites	-	-	26	Decision makers
7560	Wellspring Psychological Services, Inc.Monterey · 2 sites	-	-	26	Decision makers
7561	West Coast Anesthesia PartnersBeverly Hills · 3 sites	-	-	26	Decision makers
7562	Center for Individual & Family CounselingLos Angeles · 1 site	-	-	25	Decision makers
7563	Ellie Mental Health - Sherman Oaks, CASherman Oaks · 2 sites	Parent on file	-	25	Decision makers
7564	Epiphany Counseling, Consulting & Treatment ServicesSan Pedro · 1 site	-	-	25	Decision makers
7565	First Expressions SLP Services, Inc.Riverside · 4 sites	-	-	25	Decision makers
7566	Foothill Anesthesia, Inc.Pasadena · 9 sites	Parent on file	-	25	Decision makers
7567	Loma Linda University Medical CenterLoma Linda · 4 sites	Parent on file	-	25	Decision makers
7568	Horieh Anesthesia ServicesIrvine · 5 sites	-	-	24	Decision makers
7569	Izzo Marriage and Family Therapy, P.C.San Mateo · 2 sites	-	-	24	Decision makers
7570	Matrix Physical Therapy and WellnessSanta Monica · 2 sites	-	-	24	Decision makers
7571	Positive Counseling CenterSan Pedro · 3 sites	-	-	24	Decision makers
7572	PsychStrategiesSanta Rosa · 5 sites	-	-	24	Decision makers
7573	Brightside HealthSan Francisco · 5 sites	Parent on file	-	23	Decision makers
7574	Cerebral Medical GroupGlendale · 2 sites	-	-	23	Decision makers
7575	Davis and DeRosa Physical TherapyEl Segundo · 2 sites	-	-	23	Decision makers
7576	Grow Through Life CounselingSan Diego · 4 sites	-	-	23	Decision makers
7577	PeteHealth Physical Therapy and Custom BracingLos Angeles · 3 sites	-	-	23	Decision makers
7578	Sierra Family Therapy CenterGrass Valley · 3 sites	-	-	23	Decision makers
7579	Sport and Spine Therapy of MarinNovato · 4 sites	Parent on file	-	23	Decision makers
7580	WellQorMurrieta · 2 sites	Parent on file	-	23	Decision makers
7581	A Plus CareLos Angeles · 2 sites	Parent on file	-	22	Decision makers
7582	Central Coast Language & Learning CenterMonterey · 2 sites	-	-	22	Decision makers
7583	EYEcenter OptometricCitrus Heights · 5 sites	Parent on file	-	22	Decision makers
7584	Pacific Physical TherapyEl Segundo · 3 sites	-	-	22	Decision makers
7585	Spectrum Eyecare OptometrySan Dimas · 1 site	-	-	22	Decision makers
7586	ASIS Physical Therapy, Inc.San Diego · 5 sites	-	-	21	Decision makers
7587	Golden Hills Orthopedic & Sports Physical TherapySan Jose · 1 site	-	-	21	Decision makers
7588	Hands On Rehab & AquaticsHuntington Beach · 2 sites	-	-	21	Decision makers
7589	Manual Orthopedic Physical Therapy, Inc.Chula Vista · 3 sites	-	-	21	Decision makers
7590	Medens HealthSan Francisco · 4 sites	Parent on file	-	21	Decision makers
7591	Nexus Physical TherapyEl Cajon · 7 sites	-	-	21	Decision makers
7592	Novell & Novell Counseling ServicesTemecula · 1 site	-	-	21	Decision makers
7593	Ubuntu Psychological ServicesCorona · 2 sites	-	-	21	Decision makers
7594	A Mind AboveFresno · 2 sites	-	-	20	Decision makers
7595	Able Physical Therapy & RehabPomona · 5 sites	-	-	20	Decision makers
7596	Collaborative Psychology GroupRiverside · 3 sites	-	-	20	Decision makers
7597	CORE Physical TherapyFullerton · 3 sites	-	-	20	Decision makers
7598	Family Service Agency of the Central CoastSanta Cruz · 2 sites	Parent on file	-	20	Decision makers
7599	Gary M. Souza, PT & AssociatesDiamond Bar · 2 sites	-	-	20	Decision makers
7600	Horizon Therapy ServicesRancho Cucamonga · 1 site	-	-	20	Decision makers

Showing 7,551 to 7,600 of 10,378 medical groups in California

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

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