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, 3,201 to 3,250
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
3201	DaubMD, Inc.Santee · 1 site	-	1	2	Decision makers
3202	David J Hernandez MD Medical ClinicReseda · 1 site	-	1	2	Decision makers
3203	David Perz, D.O.Hemet · 1 site	-	1	2	Decision makers
3204	DayamedWestlake Village · 1 site	-	1	2	Decision makers
3205	Dean M Kelaita MD Medical CorpSan Andreas · 1 site	-	1	2	Decision makers
3206	Del Rosario Medical ClinicHuntington Park · 1 site	-	1	2	Decision makers
3207	Dennis Stolpner MD, ABAARMLos Angeles · 2 sites	-	1	2	Decision makers
3208	Derma Noor Medical SpaGarden Grove · 1 site	Parent on file	1	2	Decision makers
3209	Desai Medical Group & Behavioral HealthRedlands · 2 sites	-	1	2	Decision makers
3210	Desert Oasis HealthcareBermuda Dunes · 1 site	Parent on file	1	2	Decision makers
3211	Desert Rheumatology ClinicLa Quinta · 2 sites	Parent on file	1	2	Decision makers
3212	Determined HealthLos Angeles · 1 site	-	1	2	Decision makers
3213	Digestive and Health Center of OCFountain Valley · 1 site	-	1	2	Decision makers
3214	Digestive and Liver Disease Medical CenterFresno · 1 site	-	1	2	Decision makers
3215	Direct Access MDMonterey · 1 site	-	1	2	Decision makers
3216	Doctor G MD PCBurbank · 1 site	-	1	2	Decision makers
3217	Doctors Associates of West HillsWest Hills · 1 site	-	1	2	Decision makers
3218	Doe Medical IncFresno · 1 site	-	1	2	Decision makers
3219	Dolce MDLaguna Beach · 1 site	-	1	2	Decision makers
3220	Dominick A. Curatola, MD, FACCMountain View · 1 site	-	1	2	Decision makers
3221	Dongjin Sung, M.D. Internal MedicineGardena · 1 site	-	1	2	Decision makers
3222	Donna M. Crowley MDNational City · 1 site	Parent on file	1	2	Decision makers
3223	Dorothy E Hairston MD A Professional Corp.San Diego · 1 site	-	1	2	Decision makers
3224	Dr Ochoa Family ClinicFresno · 2 sites	-	1	2	Decision makers
3225	Dr. G's Family PracticeOrange · 1 site	-	1	2	Decision makers
3226	Dr. Ignacio Guzman, MDFresno · 1 site	-	1	2	Decision makers
3227	Dr. J. Michail, Inc.Burbank · 1 site	-	1	2	Decision makers
3228	Dr. Kamel Kamel Family PracticeVisalia · 1 site	-	1	2	Decision makers
3229	Dr. Lawrence Lin, MD, FACOGThousand Oaks · 1 site	-	1	2	Decision makers
3230	Dr. Linda HsuDowney · 1 site	-	1	2	Decision makers
3231	Dr. MobiCareBeverly Hills · 1 site	-	1	2	Decision makers
3232	Dr. Paul Memorial Medical CenterInglewood · 1 site	-	1	2	Decision makers
3233	Dr. Sotara Manalo's Family Practice and Osteopathic Manipulative Treatment ClinicChino · 1 site	-	1	2	Decision makers
3234	Dr. Theodore Chow CardiologySan Jose · 1 site	-	1	2	Decision makers
3235	Dramir Health PCSan Diego · 1 site	-	1	2	Decision makers
3236	Durga Madala, MDSan Jose · 2 sites	-	1	2	Decision makers
3237	E Esfandiarifard MDEncino · 1 site	-	1	2	Decision makers
3238	E. Duane Carmalt, MDTarzana · 1 site	Parent on file	1	2	Decision makers
3239	Eagle Rock Medical CenterLos Angeles · 1 site	-	1	2	Decision makers
3240	Edgar J. Stanley MD Inc.Palm Springs · 1 site	Parent on file	1	2	Decision makers
3241	Edward Carwile Leroy Jr MD IncFresno · 1 site	-	1	2	Decision makers
3242	El Camino GI Medical AssociatesMountain View · 1 site	Parent on file	1	2	Decision makers
3243	El Camino GI Medical AssociatesMountain View · 1 site	Parent on file	1	2	Decision makers
3244	El Carmen Medical ClinicFontana · 1 site	-	1	2	Decision makers
3245	Element MedicalTemecula · 1 site	-	1	2	Decision makers
3246	Elias MedicalBakersfield · 1 site	-	1	2	Decision makers
3247	Elite Cardiology GroupSan Bernardino · 1 site	-	1	2	Decision makers
3248	Elite Family Medical CenterUpland · 1 site	-	1	2	Decision makers
3249	Elite Primary PhysiciansAnaheim · 1 site	-	1	2	Decision makers
3250	Elite Wound CareSherman Oaks · 1 site	Parent on file	1	2	Decision makers

Showing 3,201 to 3,250 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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