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, 2,101 to 2,150
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
2101	Stockton Pathology Medical GroupStockton · 2 sites	-	6	6	Decision makers
2102	The Dermatology Center at LaderaLadera Ranch · 1 site	-	6	6	Decision makers
2103	The Practice HealthcareBeverly Hills · 2 sites	-	6	6	Decision makers
2104	The Surgicalist GroupSan Jose · 1 site	Parent on file	6	6	Decision makers
2105	Tower ENT (Tower Ear, Nose, & Throat)Los Angeles · 1 site	-	6	6	Decision makers
2106	Tri-Dung G. Hoang, M.D., Inc.Sacramento · 1 site	Parent on file	6	6	Decision makers
2107	Valencia Pulmonary Medical GroupNewhall · 2 sites	-	6	6	Decision makers
2108	Valley Pathology Medical AssociationEscondido · 3 sites	Parent on file	6	6	Decision makers
2109	Vital Lungs Associates of So Cal INC.Northridge · 1 site	-	6	6	Decision makers
2110	West Coast Radiology AssociatesSan Dimas · 3 sites	-	6	6	Decision makers
2111	Westside Head & NeckCulver City · 2 sites	-	6	6	Decision makers
2112	Yomiyyu Gammada, MDOceanside · 2 sites	-	6	6	Decision makers
2113	Zheng J. Wang, M.D.Hemet · 2 sites	-	6	6	Decision makers
2114	Sensible CareSanta Ana · 17 sites	-	5	269	Decision makers
2115	Central Health Medicare PlanDiamond Bar · 10 sites	Parent on file	5	236	Decision makers
2116	Infusion for HealthThousand Oaks · 28 sites	Parent on file	5	78	Decision makers
2117	Professional Wound SpecialistsPomona · 3 sites	-	5	39	Decision makers
2118	Felton InstituteAlameda · 13 sites	Parent on file	5	35	Decision makers
2119	Shine MMGGlendale · 3 sites	-	5	31	Decision makers
2120	AFC Urgent Care TorranceTorrance · 3 sites	Parent on file	5	30	Decision makers
2121	Pine Park HealthBerkeley · 6 sites	Parent on file	5	30	Decision makers
2122	Physician Medical GroupWest Covina · 1 site	-	5	28	Decision makers
2123	Ocean PsychiatryFremont · 4 sites	-	5	27	Decision makers
2124	Progeny Psychiatric ClinicNewport Beach · 4 sites	-	5	25	Decision makers
2125	Infinity Mobile Medical GroupEncino · 1 site	Parent on file	5	24	Decision makers
2126	One Health CenterUpland · 4 sites	Parent on file	5	24	Decision makers
2127	ORCA RehabTustin · 10 sites	-	5	24	Decision makers
2128	InlandPsych RedlandsRedlands · 5 sites	-	5	23	Decision makers
2129	Quality Care SolutionSunnyvale · 8 sites	-	5	22	Decision makers
2130	Anew Era TMS & PsychiatryIrvine · 4 sites	Parent on file	5	20	Decision makers
2131	Carbon Medical CenterSan Diego · 2 sites	Parent on file	5	20	Decision makers
2132	Lincoln Urgent CareLincoln · 3 sites	Parent on file	5	20	Decision makers
2133	re+active Physical Therapy and WellnessLos Angeles · 4 sites	-	5	20	Decision makers
2134	Southern California Men's Medical GroupWest Hollywood · 3 sites	Parent on file	5	20	Decision makers
2135	Advanced Urgent Care CenterUpland · 2 sites	Parent on file	5	19	Decision makers
2136	Boswell DermatologyFresno · 2 sites	-	5	19	Decision makers
2137	Hillview Mental Health CenterPacoima · 1 site	Parent on file	5	19	Decision makers
2138	Mazur Statner And Dutta Medical GroupThousand Oaks · 8 sites	-	5	19	Decision makers
2139	Coastal Vision Medical GroupLong Beach · 5 sites	-	5	18	Decision makers
2140	Mission Peak OrthopaedicsFremont · 4 sites	-	5	18	Decision makers
2141	Sequoia Healthcare Alliance (SHA)Porterville · 5 sites	-	5	18	Decision makers
2142	Wound MastersOntario · 2 sites	Parent on file	5	18	Decision makers
2143	The Gastro Group, Inc.Victorville · 3 sites	-	5	17	Decision makers
2144	Burbank Urgent CareBurbank · 2 sites	Parent on file	5	16	Decision makers
2145	Folsom Urgent CareFolsom · 2 sites	Parent on file	5	16	Decision makers
2146	Gurpreet S. Dhugga Medical CorporationFairfield · 1 site	-	5	16	Decision makers
2147	i-Care Urgent CareMurrieta · 4 sites	Parent on file	5	16	Decision makers
2148	Jovive Urgent CareEmeryville · 5 sites	Parent on file	5	16	Decision makers
2149	South County Orthopedic SpecialistsLaguna Woods · 3 sites	-	5	16	Decision makers
2150	Desert Urgent CareIndio · 3 sites	Parent on file	5	15	Decision makers

Showing 2,101 to 2,150 of 10,378 medical groups in California

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

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