Skip to the page

Data / Nonprofits / California / Thousand Oaks / Health care

Health care nonprofits in Thousand Oaks, CA: 13 registered with the IRS

13 health care nonprofits are registered with the IRS in Thousand Oaks, CA, 13 of them 501(c)(3) charities; the 7 that report revenue took in $7.5 million. The largest by revenue: Westminster Free Clinic ($5.6 million), Conejo Free Clinic ($873,414), Los Robles Hospital Medical Staff Inc ($385,508).

SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.

Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Westminster Free Clinic501(c)(3)2001$5.6 million$7.3 million2025-12
Conejo Free Clinic501(c)(3)1978$873,414$1.4 million2025-12
Los Robles Hospital Medical Staff Inc501(c)(3)2010$385,508$805,6542024-12
Conejo Valley Womens Resource Center501(c)(3)1985$340,238$297,7262024-12
Health for Everyone A Non-Profit Organization501(c)(3)2009$270,756$2.8 million2024-12
Mercy for Social and Medical Services501(c)(3)2021$31,209$3,8382025-12
Lucas Lilley Inc501(c)(3)2008$3,327$68,3312024-12
Ajs Foundation501(c)(3)2024
Bali Foundation501(c)(3)2017$0$02024-12
Cycle 28 Wellness Foundation501(c)(3)2026
Heartbeat of Champions Foundation501(c)(3)2018$0$02024-12
Mortensen Medical501(c)(3)2025
Phoenix Effect501(c)(3)2023$0$02025-12

Other causes in Thousand Oaks, CA

Every nonprofit in Thousand Oaks, CA · Health care nonprofits across the state · Nonprofits in every city of the state

Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.