> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/companies-in/california/hospitals-and-health-care/ # Hospitals and health systems in California Larger hospitals and health systems headquartered in California: who they are, what they run and how to reach their people. By Enrich.chat Editorial. Updated October 21, 2026. **Short answer:** Larger hospitals and health systems headquartered in California include Kaiser Permanente, Dignity Health, Prime Healthcare Services, Sutter Health and Ensign Services. Below are the tools that stand out, where they are based and how big they are. ## Which hospitals and health systems are headquartered in California? They include Kaiser Permanente, Dignity Health, Prime Healthcare Services, Sutter Health and Ensign Services. The table lists a selection in alphabetical order; names link to company profiles. | Company | Size | Tools detected | | --- | --- | --- | | [Adventist Health](https://enrich.chat/company/adventist-health/) | 25,000 to 50,000 | 16 | | Alameda Health System | 2,000 to 5,000 | 19 | | Altera Digital Health | 5,000 to 10,000 | 50 | | [Cedars-Sinai](https://enrich.chat/company/cedars-sinai/) | 10,000 to 25,000 | 19 | | Children's Hospital Los Angeles (CHLA) | 5,000 to 10,000 | 35 | | CHOC Children's | 2,000 to 5,000 | 35 | | [City of Hope](https://enrich.chat/company/city-of-hope/) | 10,000 to 25,000 | 12 | | [Dignity Health](https://enrich.chat/company/dignity-health/) | 50,000 to 100,000 | 20 | | El Camino Health | 2,000 to 5,000 | 13 | | [Ensign Services](https://enrich.chat/company/ensign-services/) | 25,000 to 50,000 | 3 | | [GeBBS Healthcare Solutions](https://enrich.chat/company/gebbs-healthcare-solutions/) | 10,000 to 25,000 | 28 | | Infinx | 5,000 to 10,000 | 40 | | John Muir Health | 2,000 to 5,000 | 13 | | [Kaiser Permanente](https://enrich.chat/company/kaiser-permanente/) | 100,000+ | 71 | | Keck Medicine of USC | 2,000 to 5,000 | 44 | | [MemorialCare](https://enrich.chat/company/memorialcare/) | 10,000 to 25,000 | 36 | | [Molina Healthcare](https://enrich.chat/company/molina-healthcare/) | 10,000 to 25,000 | 44 | | One Medical | 2,000 to 5,000 | 50 | | Palomar Health | 2,000 to 5,000 | 22 | | [Prime Healthcare Services](https://enrich.chat/company/prime-healthcare-services/) | 50,000 to 100,000 | 18 | | [Scripps Health](https://enrich.chat/company/scripps-health/) | 10,000 to 25,000 | 66 | | [Sharp HealthCare](https://enrich.chat/company/sharp-healthcare/) | 10,000 to 25,000 | 37 | | Smile Brands | 5,000 to 10,000 | 26 | | Stanford Children's Health | 5,000 to 10,000 | 41 | | [Stanford Health Care](https://enrich.chat/company/stanford-health-care/) | 10,000 to 25,000 | 30 | | [Sutter Health](https://enrich.chat/company/sutter-health/) | 50,000 to 100,000 | 42 | | UCI Health | 2,000 to 5,000 | 18 | | [UCSF Health](https://enrich.chat/company/ucsf-health/) | 10,000 to 25,000 | 30 | | Vituity | 5,000 to 10,000 | 34 | | VSP Vision | 10,000 to 25,000 | 52 | ## What technology do hospitals and health systems in California use? These tools stand out among them: each is detected more often here than across all the organizations listed. The tick on each bar marks that wider average. **Figure: Tools that stand out among hospitals and health systems in California.** Bars for the share of listed hospitals and health systems in California where each tool was detected, with a tick for the share across everything listed: Google Translate API 22% against 9%, Marketo 22% against 7%, iCIMS 20% against 4%, Formstack 13% against 3%, CallRail 11% against 1%, Constant Contact 11% against 2%. *Share of listed hospitals and health systems in California where each tool was detected. The tick marks the share across all listed organizations.* ## Where in California are they based? The bars show the headquarters city of the listed hospitals and health systems. **Figure: Headquarters cities of hospitals and health systems in California.** Bars for the share of listed hospitals and health systems in California headquartered in each city: Oakland 7%, San Francisco 7%, Los Angeles 7%, Orange 7%, San Diego 4%, Palo Alto 4%. *Share of listed hospitals and health systems in California by headquarters city.* ## How big are hospitals and health systems in California? The columns show how they spread across six size ranges. **Figure: Size of hospitals and health systems in California.** Six columns for the share of listed hospitals and health systems in California in each size range: 2-5K 51%, 5-10K 13%, 10-25K 22%, 25-50K 4%, 50-100K 7%, 100K+ 2%. *Share of listed hospitals and health systems in California in each size range.* ## More to explore Other industries in California: [Information technology and services](https://enrich.chat/companies-in/california/information-technology-and-services/)[Retail](https://enrich.chat/companies-in/california/retail/)[Entertainment](https://enrich.chat/companies-in/california/entertainment/)[Financial services](https://enrich.chat/companies-in/california/financial-services/)[Higher education](https://enrich.chat/companies-in/california/higher-education/)[Government administration](https://enrich.chat/companies-in/california/government-administration/)[Apparel and fashion](https://enrich.chat/companies-in/california/apparel-and-fashion/)[Medical devices](https://enrich.chat/companies-in/california/medical-devices/)[Research](https://enrich.chat/companies-in/california/research/)[Computer and network security](https://enrich.chat/companies-in/california/computer-and-network-security/)[All of California](https://enrich.chat/companies-in/california/) Hospitals and health care elsewhere: [United States](https://enrich.chat/companies-in/united-states/hospitals-and-health-care/)[United Kingdom](https://enrich.chat/companies-in/united-kingdom/hospitals-and-health-care/)[Netherlands](https://enrich.chat/companies-in/netherlands/hospitals-and-health-care/)[Texas](https://enrich.chat/companies-in/texas/hospitals-and-health-care/)[Brazil](https://enrich.chat/companies-in/brazil/hospitals-and-health-care/)[Canada](https://enrich.chat/companies-in/canada/hospitals-and-health-care/)[Australia](https://enrich.chat/companies-in/australia/hospitals-and-health-care/)[France](https://enrich.chat/companies-in/france/hospitals-and-health-care/)[Florida](https://enrich.chat/companies-in/florida/hospitals-and-health-care/)[New York](https://enrich.chat/companies-in/new-york/hospitals-and-health-care/)[Hospitals and health care](https://enrich.chat/industries/hospitals-and-health-care/) ## How do you reach CIOs, CISOs and clinical informatics leaders at hospitals and health systems in California? Pick an organization from the table, then ask your AI agent for the people in the roles you sell to. ```text Use www.enrich.chat to find CIOs, CISOs and clinical informatics leaders at [company] in California, with titles and verified work emails ``` ## Frequently asked questions ### Which hospitals and health systems are headquartered in California? They include Kaiser Permanente, Dignity Health, Prime Healthcare Services, Sutter Health and Ensign Services. The page lists a selection with links to their profiles. ### What technology do hospitals and health systems in California use? Tools that stand out include Google Translate API, Marketo, iCIMS and Formstack. ### How big are hospitals and health systems in California? They range from about 2,000 employees to well over 100,000. The columns on this page show the spread. ### Who do you sell to? Usually CIOs, CISOs and clinical informatics leaders. Ask your AI agent to use www.enrich.chat to find them with verified work emails. ## Try this prompt Find CIOs, CISOs and clinical informatics leaders ```text Use www.enrich.chat to find CIOs, CISOs and clinical informatics leaders at [company] in California, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Software and technology services companies in California](https://enrich.chat/companies-in/california/information-technology-and-services/) - [Retailers in California](https://enrich.chat/companies-in/california/retail/) - [Entertainment companies in California](https://enrich.chat/companies-in/california/entertainment/) - [Financial services firms in California](https://enrich.chat/companies-in/california/financial-services/) - [Hospitals and health systems in the United States](https://enrich.chat/companies-in/united-states/hospitals-and-health-care/) - [Hospitals and health systems in the United Kingdom](https://enrich.chat/companies-in/united-kingdom/hospitals-and-health-care/) - [Hospitals and health systems in the Netherlands](https://enrich.chat/companies-in/netherlands/hospitals-and-health-care/) - [Hospitals and health systems in Texas](https://enrich.chat/companies-in/texas/hospitals-and-health-care/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)