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, 1,401 to 1,450
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
1401	Central California Anesthesiology SolutionsMadera · 14 sites	Parent on file	9	76	Decision makers
1402	Madera County Behavioral Health ServicesMadera · 7 sites	Parent on file	9	44	Decision makers
1403	Shingle Springs Health & Wellness CenterPlacerville · 1 site	Parent on file	9	41	Decision makers
1404	Wound Healing Care SpecialistsOntario · 3 sites	Parent on file	9	38	Decision makers
1405	LGTC GroupSan Jose · 5 sites	Parent on file	9	34	Decision makers
1406	Hurtt Family Health ClinicTustin · 5 sites	Parent on file	9	33	Decision makers
1407	Kheir S. Mark Taper Foundation Community ClinicLos Angeles · 3 sites	Parent on file	9	31	Decision makers
1408	River Bend Medical Associates, Inc.Sacramento · 2 sites	-	9	31	Decision makers
1409	Family First Medical CareModesto · 3 sites	-	9	30	Decision makers
1410	Serve the People Community Health CenterSanta Ana · 2 sites	Parent on file	9	29	Decision makers
1411	Westside Family Health CenterCulver City · 3 sites	Parent on file	9	29	Decision makers
1412	Dazzle HealthIrvine · 1 site	-	9	27	Decision makers
1413	Samaritana Medical ClinicLos Angeles · 6 sites	Parent on file	9	27	Decision makers
1414	MD Today Urgent CareSan Diego · 2 sites	Parent on file	9	26	Decision makers
1415	Palliative Care Doctor's GroupLos Angeles · 2 sites	Parent on file	9	26	Decision makers
1416	Sonora Anesthesia Services Medical GroupSonora · 3 sites	-	9	25	Decision makers
1417	Sports and Spine OrthopaedicsTorrance · 2 sites	-	9	25	Decision makers
1418	STAT MED Urgent CareConcord · 4 sites	Parent on file	9	25	Decision makers
1419	MD Today Urgent CareSan Diego · 3 sites	Parent on file	9	24	Decision makers
1420	Anesthesia Provider GroupRancho Cucamonga · 2 sites	-	9	21	Decision makers
1421	Apex Multispecialty Medical GroupLos Angeles · 3 sites	-	9	21	Decision makers
1422	Aria Community Health CenterLemoore · 5 sites	Parent on file	9	21	Decision makers
1423	Zeam Health & WellnessRoseville · 4 sites	-	9	21	Decision makers
1424	Dignity Health Medical Group - StocktonStockton · 4 sites	Parent on file	9	20	Decision makers
1425	Psynergy ProgramsAlameda · 8 sites	Parent on file	9	20	Decision makers
1426	Sonoma Valley Community Health CenterSonoma · 4 sites	Parent on file	9	20	Decision makers
1427	CaminarSan Mateo · 12 sites	Parent on file	9	19	Decision makers
1428	Community Memorial Plastic SurgeryVentura · 7 sites	Parent on file	9	19	Decision makers
1429	Metropolis DermatologyLos Angeles · 4 sites	-	9	19	Decision makers
1430	San Diego Cardiovascular AssociatesEncinitas · 3 sites	-	9	19	Decision makers
1431	Redwood Family DermatologySanta Rosa · 2 sites	-	9	18	Decision makers
1432	Central Coast Head and Neck SurgeonsSalinas · 3 sites	-	9	17	Decision makers
1433	Choice Medical GroupApple Valley · 4 sites	Parent on file	9	17	Decision makers
1434	Trinity Medical Multi-Specialty GroupTemecula · 3 sites	-	9	17	Decision makers
1435	Zand Medical PartnersOrange · 1 site	-	9	17	Decision makers
1436	Athena Medical GroupSalinas · 1 site	-	9	16	Decision makers
1437	Atlantis EyecareAnaheim · 11 sites	Parent on file	9	16	Decision makers
1438	Bright Heart HealthWalnut Creek · 4 sites	-	9	16	Decision makers
1439	Cal Sports & Orthopaedic InstituteBerkeley · 3 sites	-	9	16	Decision makers
1440	CarePath MobileGlendale · 1 site	Parent on file	9	16	Decision makers
1441	NR Medical AssociatesSan Diego · 2 sites	-	9	16	Decision makers
1442	Dermatology & Laser Center of San DiegoChula Vista · 4 sites	-	9	15	Decision makers
1443	Milauskas Eye InstitutePalm Springs · 6 sites	Parent on file	9	15	Decision makers
1444	Pulmonary and Critical Care Associates of ModestoModesto · 1 site	-	9	15	Decision makers
1445	Clarity Eye GroupHuntington Beach · 2 sites	Parent on file	9	14	Decision makers
1446	Greenbrook Mental Wellness Center Agoura HillsAgoura Hills · 12 sites	Parent on file	9	14	Decision makers
1447	LASIK EYE CENTERBuena Park · 4 sites	-	9	14	Decision makers
1448	My Chula Vista DoctorsNational City · 2 sites	-	9	14	Decision makers
1449	Pacific Orthopaedic AssociatesAlhambra · 2 sites	-	9	14	Decision makers
1450	Pacific Pain & Regenerative MedicineIrvine · 5 sites	-	9	14	Decision makers

Showing 1,401 to 1,450 of 10,378 medical groups in California

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

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