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.
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
58Watch California
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