Updated October 2026

Largest primary care groups in California

Medical group directory
California
Primary care

Groups: 3,969
Internal Medicine groups: 1,835
Family Medicine groups: 1,169
Internal medicine specialists: 22,438
Family physicians: 4,605

There are 3,969 primary care groups in California with a Medicare PAC ID: 1,835 internal medicine, 1,169 family medicine, 619 nurse practitioner, 207 physician assistant and 138 general practice. The Permanente Medical Group, Inc. is the largest internal medicine group, with 3,018 internal medicine specialists, and MemorialCare Medical Group the largest family medicine group, with 247 family physicians.

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The Permanente Medical Group, Inc. is the largest primary care 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. 119 California groups have 100 or more physicians.

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Primary care groups in California, ranked by physicians, 3,101 to 3,150
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
3101	Anti-Aging & Wellness CenterBakersfield · 2 sites	-	1	2	Decision makers
3102	Apollo Medical & Holistic CenterLindsay · 1 site	Parent on file	1	2	Decision makers
3103	Applecare Health & Woundcare, Inc.Garden Grove · 1 site	Parent on file	1	2	Decision makers
3104	Arifa-Iftikhar Ahmad Medical Enterprises IncRocklin · 1 site	-	1	2	Decision makers
3105	Arlene C. Gonzales, MD Private PracticeSanta Maria · 1 site	-	1	2	Decision makers
3106	Arlington Clinica Medica FamiliarRiverside · 1 site	-	1	2	Decision makers
3107	Arrae HealthPalm Springs · 1 site	-	1	2	Decision makers
3108	Artemis Medical CenterMontebello · 1 site	Parent on file	1	2	Decision makers
3109	Arthur E Jimenez Md Medical GroupVictorville · 1 site	Parent on file	1	2	Decision makers
3110	Asian Medical Clinic of FremontFremont · 1 site	-	1	2	Decision makers
3111	Atlas Medical ConsultantsBakersfield · 1 site	-	1	2	Decision makers
3112	AV Lung & Sleep InstituteLancaster · 4 sites	-	1	2	Decision makers
3113	AV Occupational MedicineLancaster · 1 site	-	1	2	Decision makers
3114	Avida Health Systems Solutions IncGlendale · 1 site	-	1	2	Decision makers
3115	B & K Health Care PCAnaheim · 1 site	-	1	2	Decision makers
3116	Bachoura Family MedicineSan Dimas · 1 site	-	1	2	Decision makers
3117	Bakersfield Pulmonary and Sleep Medical GroupBakersfield · 1 site	-	1	2	Decision makers
3118	Bautista Medical GroupFillmore · 2 sites	Parent on file	1	2	Decision makers
3119	Bay Area EndocrinologyNapa · 1 site	-	1	2	Decision makers
3120	Beach Cities Internal MedicineTorrance · 1 site	-	1	2	Decision makers
3121	Bear Valley Urgent CareOntario · 1 site	Parent on file	1	2	Decision makers
3122	Belmont Medical CenterFresno · 1 site	-	1	2	Decision makers
3123	Berenson Cancer CenterWest Hollywood · 1 site	-	1	2	Decision makers
3124	Best of Health, APCDanville · 1 site	Parent on file	1	2	Decision makers
3125	Beverly Hills Arrhythmia InstituteBeverly Hills · 2 sites	-	1	2	Decision makers
3126	Beverly Hills Cardiovascular & Longevity InstituteBeverly Hills · 1 site	-	1	2	Decision makers
3127	BioHack Wellness Medical ClinicSan Diego · 1 site	-	1	2	Decision makers
3128	Bipinchandra Bhagat, MD Inc.Victorville · 1 site	-	1	2	Decision makers
3129	Blanco Family MedicineCovina · 1 site	-	1	2	Decision makers
3130	Bond Medical ClinicFresno · 1 site	-	1	2	Decision makers
3131	Broadway by the SeaLong Beach · 1 site	Parent on file	1	2	Decision makers
3132	Bryson Cancer CareVisalia · 1 site	-	1	2	Decision makers
3133	Buoyant Primary CareChico · 1 site	-	1	2	Decision makers
3134	Burrows Family PracticeGlendora · 1 site	-	1	2	Decision makers
3135	C.T. Hung, M.D., Inc.Upland · 1 site	-	1	2	Decision makers
3136	C.Thaik MD- Cardiovascular clinicNorth Hollywood · 1 site	-	1	2	Decision makers
3137	California BariatricsFresno · 2 sites	-	1	2	Decision makers
3138	California Chest and Medical CenterBurbank · 1 site	-	1	2	Decision makers
3139	California Gastroenterology AssociatesMadera · 3 sites	-	1	2	Decision makers
3140	California Orthopaedic SpecialistsNewport Beach · 1 site	-	1	2	Decision makers
3141	California Spine CenterWalnut Creek · 4 sites	-	1	2	Decision makers
3142	California Vein SpecialistsNewport Beach · 1 site	-	1	2	Decision makers
3143	Candice Kim CardiologyMurrieta · 1 site	-	1	2	Decision makers
3144	Capital Integrative RheumatologyFolsom · 1 site	-	1	2	Decision makers
3145	Carabello KidneyLos Angeles · 1 site	-	1	2	Decision makers
3146	Carbon HealthSan Francisco · 3 sites	Parent on file	1	2	Decision makers
3147	Care Dimensions HealthcareSanta Ana · 1 site	Parent on file	1	2	Decision makers
3148	Care360 Medical GroupSanta Clarita · 1 site	-	1	2	Decision makers
3149	CareConnectMDCosta Mesa · 7 sites	Parent on file	1	2	Decision makers
3150	Carelon HealthCerritos · 3 sites	Parent on file	1	2	Decision makers

Showing 3,101 to 3,150 of 3,969 primary care groups in California

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

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