Markets/California

Healthcare providers and owners in California

Data as of 2026-10-26. Sources: CMS, NPPES and state records; see methodology.

Hospitals
394
Hospital outpatient sites
300
ERs, clinics and campuses
Urgent care centers
1,459
Nursing homes
1,103
CMS-certified skilled nursing

Largest hospital systems in California

Systems and operators named in public records (CMS ownership, company disclosures); hospitals whose owner is not yet confirmed are left out.

Hospital systems and their outpatient sites in California

All 394 hospitals and 300 hospital outpatient sites, ERs and clinics, tied to the systems that own them, in the full report.

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Largest urgent care operators in California

Each block is 7 urgent care centers.

Largest nursing home groups in California

Groups are CMS affiliated entities: homes that share owners or managers.

Counties

58
CountyHospitalsNursing homesUrgent care
Alameda County176533
Alpine County000
Amador County113
Butte County384
Calaveras County111
Colusa County120
Contra Costa County62913
Del Norte County110
El Dorado County246
Fresno County113147
Glenn County011
Humboldt County551
Imperial County2313
Inyo County221
Kern County111743
Kings County033
Lake County130
Lassen County110
Los Angeles County93352467
Madera County355
Marin County3115
Mariposa County111
Mendocino County241
Merced County284
Modoc County110
Mono County100
Monterey County4149
Napa County354
Nevada County255
Orange County2867180
Placer County21017
Plumas County320
Riverside County195199
Sacramento County163747
San Benito County100
San Bernardino County304978
San Diego County2680103
San Francisco County131525
San Joaquin County82217
San Luis Obispo County4711
San Mateo County51416
Santa Barbara County61423
Santa Clara County84567
Santa Cruz County475
Shasta County486
Sierra County001
Siskiyou County211
Solano County495
Sonoma County7176
Stanislaus County61623
Sutter County141
Tehama County120
Trinity County110
Tulare County3163
Tuolumne County111
Ventura County81850
Yolo County264
Yuba County110

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