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, 1,551 to 1,600
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
1551	Healthy Living Primary CareFolsom · 3 sites	-	8	23	Decision makers
1552	Psychiatric Wellness CenterBakersfield · 3 sites	-	8	23	Decision makers
1553	West Point Medical CenterFontana · 3 sites	-	8	22	Decision makers
1554	Marina OB/GYNMarina Del Rey · 3 sites	-	8	21	Decision makers
1555	Pacific Health SystemsNational City · 2 sites	-	8	21	Decision makers
1556	Pain Management & Injury Relief Medical CenterThousand Oaks · 1 site	-	8	21	Decision makers
1557	Napa Valley OrthopaedicNapa · 2 sites	-	8	20	Decision makers
1558	Southern California Multi-Specialty CenterSherman Oaks · 3 sites	-	8	20	Decision makers
1559	Rocklin Family Practice and Sports MedicineRocklin · 2 sites	-	8	19	Decision makers
1560	San Diego Internal Medicine AssociatesSan Diego · 1 site	-	8	19	Decision makers
1561	Adventist Health ImagingYuba City · 2 sites	Parent on file	8	18	Decision makers
1562	Serenity Care HealthLos Angeles · 2 sites	Parent on file	8	18	Decision makers
1563	Supportive Care SpecialistsLos Angeles · 1 site	-	8	18	Decision makers
1564	Solano Dermatology AssociatesVallejo · 4 sites	-	8	17	Decision makers
1565	Advanced Gastroenterology AssociatesPalm Springs · 3 sites	-	8	16	Decision makers
1566	Palliative Care Doctor's GroupLos Angeles · 2 sites	Parent on file	8	16	Decision makers
1567	Siamak Etehad, MD INC, a Medical CorporationNorthridge · 2 sites	-	8	16	Decision makers
1568	Advanced Vision CareLos Angeles · 2 sites	-	8	15	Decision makers
1569	Gordon Schanzlin New Vision InstituteSan Diego · 2 sites	Parent on file	8	15	Decision makers
1570	Helm Vision GroupValencia · 1 site	-	8	15	Decision makers
1571	Hospice East BayPleasant Hill · 1 site	Parent on file	8	15	Decision makers
1572	North County Eye CenterPoway · 2 sites	-	8	15	Decision makers
1573	San Luis Obispo Eye AssociatesTempleton · 5 sites	-	8	15	Decision makers
1574	SENTA ClinicSan Diego · 3 sites	-	8	15	Decision makers
1575	Toluca Lake Premiere Medical CenterToluca Lake · 1 site	-	8	15	Decision makers
1576	Central California ENT Medical GroupFresno · 2 sites	-	8	14	Decision makers
1577	Coachella Valley CareIndio · 5 sites	-	8	14	Decision makers
1578	JKW HealthcareFresno · 1 site	-	8	14	Decision makers
1579	Mission Ranch Primary CareChico · 2 sites	-	8	14	Decision makers
1580	North Bay Eye AssociatesRohnert Park · 5 sites	-	8	14	Decision makers
1581	Orange County Orthopaedic SpecialistsLos Angeles · 3 sites	-	8	14	Decision makers
1582	Orthopaedic Associates Medical ClinicVisalia · 2 sites	-	8	14	Decision makers
1583	Southland Neurologic InstituteLong Beach · 2 sites	-	8	14	Decision makers
1584	Comprehensive Cardiovascular (CCVMG)Bakersfield · 4 sites	-	8	13	Decision makers
1585	Metabolize HealthLaguna Hills · 2 sites	-	8	13	Decision makers
1586	Redding Family Medical GroupRedding · 1 site	-	8	13	Decision makers
1587	Sacramento Eye ConsultantsSacramento · 3 sites	-	8	13	Decision makers
1588	South Bay Gastroenterology Medical GroupTorrance · 1 site	-	8	13	Decision makers
1589	SS Vascular Surgery & Endovascular TherapyEscondido · 6 sites	-	8	13	Decision makers
1590	Advanced Dermatology Care of Southern CaliforniaLos Alamitos · 4 sites	-	8	12	Decision makers
1591	Gill Primary CareStockton · 2 sites	-	8	12	Decision makers
1592	Kern NeuroScience InstituteBakersfield · 1 site	-	8	12	Decision makers
1593	Link Integrated HealthcareOxnard · 3 sites	-	8	12	Decision makers
1594	Long Beach Lakewood Orthopedic InstituteDowney · 2 sites	-	8	12	Decision makers
1595	Priority Family Care CenterLos Angeles · 2 sites	-	8	12	Decision makers
1596	Riverside Family PhysiciansRiverside · 1 site	-	8	12	Decision makers
1597	Romeo Medical ClinicTurlock · 1 site	-	8	12	Decision makers
1598	San Francisco Eye InstituteSan Francisco · 1 site	-	8	12	Decision makers
1599	Spanish Hills Interventional Pain SpecialistsCamarillo · 2 sites	-	8	12	Decision makers
1600	Valor OncologyChico · 3 sites	-	8	12	Decision makers

Showing 1,551 to 1,600 of 10,378 medical groups in California

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

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