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.

Find the decision makers at all 10,378 California medical groups

Work emails and mobile numbers for practice owners, administrators and physician leaders, found through healthcare waterfall enrichment, with a free Dmand AI account.

View contacts for free

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.

Filter this list with a free account

Sort and filter all 10,378 California medical groups by specialty, city, parent organization, group size, EHR in use and decision makers in Dmand AI.

Filter in Dmand AI

Medical groups in California, ranked by physicians, 2,801 to 2,850
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
2801	Los Angeles Primary CareGlendale · 1 site	-	4	4	Decision makers
2802	Los Palos Pathology Lab And Ancillary Services IncSalinas · 2 sites	-	4	4	Decision makers
2803	Marinelli & Feldman, MDsFullerton · 3 sites	-	4	4	Decision makers
2804	Matthew Lew, MD IncGlendale · 1 site	-	4	4	Decision makers
2805	Mission Vascular Interventional GroupFremont · 1 site	Parent on file	4	4	Decision makers
2806	My Family Medical GroupOntario · 1 site	-	4	4	Decision makers
2807	MyCardiologistOrange · 1 site	-	4	4	Decision makers
2808	New Hope Cancer & Research InstitutePomona · 1 site	-	4	4	Decision makers
2809	Newport Coast CardiologyNewport Beach · 1 site	-	4	4	Decision makers
2810	Ob/Gyn Associates of TurlockTurlock · 1 site	-	4	4	Decision makers
2811	Optimum MedicalNewport Beach · 1 site	-	4	4	Decision makers
2812	Pacific Breast Institute Medical GroupPomona · 2 sites	-	4	4	Decision makers
2813	Pacific Gynecology & Obstetrics Medical GroupSan Francisco · 1 site	-	4	4	Decision makers
2814	Pacific Harbor Medical GroupEl Segundo · 2 sites	-	4	4	Decision makers
2815	Pacific Renal CareFountain Valley · 1 site	-	4	4	Decision makers
2816	Pacific Rheumatology AssociatesSan Francisco · 1 site	-	4	4	Decision makers
2817	Palm Bluffs Pediatric Dental Surgery CenterFresno · 2 sites	Parent on file	4	4	Decision makers
2818	Palm Pathology Medical GroupPalm Springs · 3 sites	-	4	4	Decision makers
2819	Pathology Associates of AnaheimAnaheim · 3 sites	Parent on file	4	4	Decision makers
2820	Pathways HealthcareArcadia · 1 site	-	4	4	Decision makers
2821	Pathways Home Health and HospiceSunnyvale · 2 sites	Parent on file	4	4	Decision makers
2822	Pedes Orange CountyIrvine · 1 site	-	4	4	Decision makers
2823	Placer Private PhysiciansRocklin · 2 sites	-	4	4	Decision makers
2824	Premier Pain ConsultantsFullerton · 1 site	-	4	4	Decision makers
2825	Prestera Eye Medical GroupSan Marcos · 1 site	-	4	4	Decision makers
2826	Prestera Eye Medical GroupSan Marcos · 2 sites	-	4	4	Decision makers
2827	Proactive Pain ConsultantsWalnut Creek · 1 site	-	4	4	Decision makers
2828	Renal Medical AssociatesLynwood · 1 site	-	4	4	Decision makers
2829	Restoration HealthcareIrvine · 1 site	-	4	4	Decision makers
2830	Retina Vision ConsultantsBeverly Hills · 2 sites	-	4	4	Decision makers
2831	Rio Bravo Cancer CenterBakersfield · 1 site	-	4	4	Decision makers
2832	Samuel J. Clark, MDSan Diego · 2 sites	Parent on file	4	4	Decision makers
2833	San Jose Multispecialty GroupBaldwin Park · 1 site	-	4	4	Decision makers
2834	San Luis Imaging Medical Group, Inc.San Luis Obispo · 1 site	-	4	4	Decision makers
2835	San Miguel Medical ClinicSouth Gate · 1 site	-	4	4	Decision makers
2836	Santa Barbara and Ventura County Vascular SpecialistsOxnard · 5 sites	-	4	4	Decision makers
2837	Santa Monica Dermatology GroupSanta Monica · 1 site	-	4	4	Decision makers
2838	Schuman Liles ClinicOakland · 2 sites	Parent on file	4	4	Decision makers
2839	Silicon Valley Comprehensive PainFremont · 1 site	-	4	4	Decision makers
2840	Silvan Medical Consulting, Inc.Long Beach · 1 site	-	4	4	Decision makers
2841	SoCal GastroenterologyLos Alamitos · 2 sites	-	4	4	Decision makers
2842	Song Institute of Allergy, Asthma and ImmunologyManhattan Beach · 1 site	-	4	4	Decision makers
2843	South Bay Surgical Associates Medical GroupChula Vista · 2 sites	Parent on file	4	4	Decision makers
2844	Southland UrologyFullerton · 3 sites	-	4	4	Decision makers
2845	Spine & Pain Institute of Orange CountyIrvine · 3 sites	-	4	4	Decision makers
2846	St. Vincent Pathology Medical GroupLos Angeles · 1 site	-	4	4	Decision makers
2847	Tam H. Le, MDFountain Valley · 2 sites	Parent on file	4	4	Decision makers
2848	Tenaya Medical GroupMerced · 3 sites	-	4	4	Decision makers
2849	The Osteopathic WayMonterey · 2 sites	-	4	4	Decision makers
2850	Torrance Vascular CenterTorrance · 2 sites	-	4	4	Decision makers

Showing 2,801 to 2,850 of 10,378 medical groups in California

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

For sales teams

Find the decision makers at California medical groups

Dmand AI maps the owners, administrators and physician leaders at each of the 10,378 California medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.

Try for free Book a meeting

Dmand AI

Find the right contacts at every California medical group

Search 10,378 groups by specialty, size and parent organization, with the physicians and leaders at each one.

Start free trial Book a demo

30 days free
Self-serve
No credit card