> 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/irvine-ca/hospitals-and-health-care/ # Hospitals and Health Care Organizations in Irvine, CA The bigger hospitals and health care organizations headquartered in Irvine, CA, with what they do, their sizes and how to reach their people. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** Among the hospitals and health care organizations counted in Irvine, CA, the biggest by headcount range include Advantmed, Medcare Mso and Oakmont Senior Living. They are mostly very small: 66% have 50 or fewer employees. ## Which hospitals and health care organizations are in Irvine? Among the companies whose public profile lists Hospitals and Health Care as their industry and Irvine, CA as their headquarters, the biggest by headcount range include Advantmed, Medcare Mso, Oakmont Senior Living, Silverado and Mbk Senior Living. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | Advantmed | 1,001 to 5,000 | | Medcare Mso | 1,001 to 5,000 | | Oakmont Senior Living | 1,001 to 5,000 | | Silverado | 1,001 to 5,000 | | Mbk Senior Living | 1,001 to 5,000 | | Renovo Solutions | 501 to 1,000 | | Salus Homecare | 501 to 1,000 | | Currance | 201 to 500 | | Pathnostics - A Diagnostics Solutions | 201 to 500 | | Cosentus | 201 to 500 | | Hoag Orthopedic Institute | 201 to 500 | | Hpsi Purchasing Services | 201 to 500 | | Akeso Occupational Health | 201 to 500 | | Oso Home Care | 201 to 500 | | Uci Health Gavin Herbert Eye Institute | 201 to 500 | | Guhilot Health | 201 to 500 | | Care Partners At Home | 201 to 500 | | Bridge Diagnostics | 51 to 200 | | Tae Life Sciences | 51 to 200 | | Ihdlab | 51 to 200 | | Medelita | 51 to 200 | | River's Edge Pharmacy | 51 to 200 | | Cmia Orange County Chapter | 51 to 200 | | Healthquest Esoterics | 51 to 200 | | Pursue Health | 51 to 200 | The table shows the 25 biggest by headcount range, with ties broken by audience size. The charts and percentages below cover every company counted for this page, not just these 25, and companies with fewer than 11 employees are not counted. Headquarters is the location on each company's public profile. ## What do hospitals and health care organizations in Irvine do? Hospitals and Health Care is a broad label. The most common NAICS codes among them are 561110 (10%), 621511 (10%) and 621999 (10%). **Figure: What hospitals and health care organizations in Irvine do.** Bars for the share of counted hospitals and health care organizations with each code: 561110 10%, 621511 10%, 621999 10%, 315250 5%, 339116 5%, 449210 5%, 456110 5%. *Share of counted hospitals and health care organizations in Irvine by their NAICS code.* [NAICS 621511](https://enrich.chat/naics/621511/)[NAICS 621999](https://enrich.chat/naics/621999/)[NAICS 339116](https://enrich.chat/naics/339116/)[NAICS 456110](https://enrich.chat/naics/456110/) ## How big are they? 66% of the hospitals and health care organizations counted in Irvine have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. **Figure: Size of hospitals and health care organizations in Irvine.** Seven columns for the share of counted hospitals and health care organizations in Irvine in each employee range: 11 to 50 66%, 51 to 200 13%, 201 to 500 12%, 501 to 1,000 2%, 1,001 to 5,000 6%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted hospitals and health care organizations in Irvine in each employee range.* ## How do you reach the people at hospitals and health care organizations in Irvine? The people to talk to are usually operations, IT and finance leaders. Build the list in three prompts to your AI agent. ### 1. Count them (free) Counting who matches never uses credits. ```text Use www.enrich.chat to count the hospitals and health care organizations in Irvine, CA ``` ### 2. Find the people (5 credits per person) Name the roles you sell to. Each person returned is 5 credits, and name, title and company are included. ```text Use www.enrich.chat to find the operations, IT and finance leaders at hospitals and health care organizations in Irvine, CA, with their titles ``` ### 3. Get their work emails (10 credits each) An email is 10 credits only when one is found. Every email comes with a status: verified, catch-all or unknown. ```text Use www.enrich.chat to find the work emails for these people and tell me which ones are verified ``` ## More to explore Other industries in Irvine: [Software Companies](https://enrich.chat/companies-in/irvine-ca/software-development/)[IT Services Companies](https://enrich.chat/companies-in/irvine-ca/it-services-and-it-consulting/)[Financial Services Companies](https://enrich.chat/companies-in/irvine-ca/financial-services/)[Real Estate Companies](https://enrich.chat/companies-in/irvine-ca/real-estate/)[Advertising Agencies](https://enrich.chat/companies-in/irvine-ca/advertising-services/)[Construction Companies](https://enrich.chat/companies-in/irvine-ca/construction/)[Technology and Internet Companies](https://enrich.chat/companies-in/irvine-ca/technology-information-and-internet/)[Consulting Firms](https://enrich.chat/companies-in/irvine-ca/business-consulting-and-services/)[Medical Device Companies](https://enrich.chat/companies-in/irvine-ca/medical-equipment-manufacturing/)[Electrical and Electronics Manufacturers](https://enrich.chat/companies-in/irvine-ca/appliances-electrical-and-electronics-manufacturing/)[Manufacturers](https://enrich.chat/companies-in/irvine-ca/manufacturing/)[Staffing and Recruiting Firms](https://enrich.chat/companies-in/irvine-ca/staffing-and-recruiting/)[Telecommunications Companies](https://enrich.chat/companies-in/irvine-ca/telecommunications/)[Insurance Companies](https://enrich.chat/companies-in/irvine-ca/insurance/)[Nonprofit Organizations](https://enrich.chat/companies-in/irvine-ca/non-profit-organizations/)[Motor Vehicle Manufacturers](https://enrich.chat/companies-in/irvine-ca/motor-vehicle-manufacturing/)[All of Irvine](https://enrich.chat/companies-in/irvine-ca/) Hospitals and Health Care Organizations in other cities: [New York, NY](https://enrich.chat/companies-in/new-york-ny/hospitals-and-health-care/)[Houston, TX](https://enrich.chat/companies-in/houston-tx/hospitals-and-health-care/)[Chicago, IL](https://enrich.chat/companies-in/chicago-il/hospitals-and-health-care/)[Dallas, TX](https://enrich.chat/companies-in/dallas-tx/hospitals-and-health-care/)[Los Angeles, CA](https://enrich.chat/companies-in/los-angeles-ca/hospitals-and-health-care/)[Atlanta, GA](https://enrich.chat/companies-in/atlanta-ga/hospitals-and-health-care/)[Phoenix, AZ](https://enrich.chat/companies-in/phoenix-az/hospitals-and-health-care/)[Miami, FL](https://enrich.chat/companies-in/miami-fl/hospitals-and-health-care/)[Austin, TX](https://enrich.chat/companies-in/austin-tx/hospitals-and-health-care/)[San Francisco, CA](https://enrich.chat/companies-in/san-francisco-ca/hospitals-and-health-care/) ## Frequently asked questions ### Which are the biggest hospitals and health care organizations in Irvine? Among those counted, they include Advantmed, Medcare Mso, Oakmont Senior Living, Silverado and Mbk Senior Living, ranked by headcount range. ### How big are hospitals and health care organizations in Irvine? 66% of those counted have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. ### Which companies count as hospitals and health care? Companies whose public profile lists Hospitals and Health Care as their industry and whose headquarters are in Irvine, CA. ## Try this prompt Find the people at hospitals and health care organizations in Irvine ```text Use www.enrich.chat to find the operations, IT and finance leaders at hospitals and health care organizations in Irvine, CA, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Software Companies in Irvine](https://enrich.chat/companies-in/irvine-ca/software-development/) - [IT Services Companies in Irvine](https://enrich.chat/companies-in/irvine-ca/it-services-and-it-consulting/) - [Financial Services Companies in Irvine](https://enrich.chat/companies-in/irvine-ca/financial-services/) - [Real Estate Companies in Irvine](https://enrich.chat/companies-in/irvine-ca/real-estate/) - [Hospitals and Health Care Organizations in New York](https://enrich.chat/companies-in/new-york-ny/hospitals-and-health-care/) - [Hospitals and Health Care Organizations in Houston](https://enrich.chat/companies-in/houston-tx/hospitals-and-health-care/) - [Hospitals and Health Care Organizations in Chicago](https://enrich.chat/companies-in/chicago-il/hospitals-and-health-care/) - [Hospitals and Health Care Organizations in Dallas](https://enrich.chat/companies-in/dallas-tx/hospitals-and-health-care/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)