> 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/oakland-ca/hospitals-and-health-care/ # Hospitals and Health Care Organizations in Oakland, CA The bigger hospitals and health care organizations headquartered in Oakland, 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 Oakland, CA, the biggest by headcount range include Kaiser Permanente, Alameda Health System and Ucsf Benioff Children's Hospitals. They are mostly very small: 55% have 50 or fewer employees. ## Which hospitals and health care organizations are in Oakland? Among the companies whose public profile lists Hospitals and Health Care as their industry and Oakland, CA as their headquarters, the biggest by headcount range include Kaiser Permanente, Alameda Health System, Ucsf Benioff Children's Hospitals, La Clínica De La Raza and California Nurses Association. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | [Kaiser Permanente](https://enrich.chat/company/kaiser-permanente/) | 10,001+ | | Alameda Health System | 1,001 to 5,000 | | Ucsf Benioff Children's Hospitals | 1,001 to 5,000 | | La Clínica De La Raza | 1,001 to 5,000 | | California Nurses Association | 201 to 500 | | Native American Health Center | 201 to 500 | | Brown & Toland Physicians | 201 to 500 | | Altais | 201 to 500 | | Center For Elders' Independence | 201 to 500 | | Healthflex Home Health & Hospice | 201 to 500 | | Behavior Change Institute | 201 to 500 | | Mercy Retirement & Care Center | 201 to 500 | | Roots Community Health | 51 to 200 | | Oakland Technical High School | 51 to 200 | | Sterling Administration | 51 to 200 | | Brighter Beginnings | 51 to 200 | | Ucsf Heal Initiative | 51 to 200 | | West Oakland Health | 51 to 200 | | Asian Network Pacific Home Care And Hospice | 51 to 200 | | Nestvy Senior Placement And Home Care | 51 to 200 | | Alegria Community Living | 51 to 200 | | Css Home Care & Senior Services | 51 to 200 | | Carebuilders At Home- East Bay | 51 to 200 | | Excell Health Care Center | 51 to 200 | | Comfort Homesake | 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 Oakland do? Hospitals and Health Care is a broad label. The most common NAICS codes among them are 621111 (21%), 311999 (7%) and 513210 (7%). **Figure: What hospitals and health care organizations in Oakland do.** Bars for the share of counted hospitals and health care organizations with each code: 621111 21%, 311999 7%, 513210 7%, 524114 7%, 621320 7%, 621420 7%, 621610 7%. *Share of counted hospitals and health care organizations in Oakland by their NAICS code.* [NAICS 621111](https://enrich.chat/naics/621111/)[NAICS 311999](https://enrich.chat/naics/311999/)[NAICS 513210](https://enrich.chat/naics/513210/)[NAICS 621320](https://enrich.chat/naics/621320/)[NAICS 621420](https://enrich.chat/naics/621420/)[NAICS 621610](https://enrich.chat/naics/621610/) ## How big are they? 55% of the hospitals and health care organizations counted in Oakland 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 Oakland.** Seven columns for the share of counted hospitals and health care organizations in Oakland in each employee range: 11 to 50 55%, 51 to 200 26%, 201 to 500 13%, 501 to 1,000 0%, 1,001 to 5,000 5%, 5,001 to 10,000 0%, 10,001+ 2%. *Share of counted hospitals and health care organizations in Oakland in each employee range.* ## How hospitals and health care organizations compare - 55% of hospitals and health care organizations in Oakland have 50 or fewer employees, against 71% across other cities on this site. ## How do you reach the people at hospitals and health care organizations in Oakland? 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 Oakland, 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 Oakland, 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 Oakland: [Construction Companies](https://enrich.chat/companies-in/oakland-ca/construction/)[Nonprofit Organizations](https://enrich.chat/companies-in/oakland-ca/non-profit-organizations/)[Software Companies](https://enrich.chat/companies-in/oakland-ca/software-development/)[Real Estate Companies](https://enrich.chat/companies-in/oakland-ca/real-estate/)[Education Organizations](https://enrich.chat/companies-in/oakland-ca/education-administration-programs/)[All of Oakland](https://enrich.chat/companies-in/oakland-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 Oakland? Among those counted, they include Kaiser Permanente, Alameda Health System, Ucsf Benioff Children's Hospitals, La Clínica De La Raza and California Nurses Association, ranked by headcount range. ### How big are hospitals and health care organizations in Oakland? 55% 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 Oakland, CA. ## Try this prompt Find the people at hospitals and health care organizations in Oakland ```text Use www.enrich.chat to find the operations, IT and finance leaders at hospitals and health care organizations in Oakland, CA, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Construction Companies in Oakland](https://enrich.chat/companies-in/oakland-ca/construction/) - [Nonprofit Organizations in Oakland](https://enrich.chat/companies-in/oakland-ca/non-profit-organizations/) - [Software Companies in Oakland](https://enrich.chat/companies-in/oakland-ca/software-development/) - [Real Estate Companies in Oakland](https://enrich.chat/companies-in/oakland-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/)