Data / Nonprofits / California / Walnut Creek / Health care
Health care nonprofits in Walnut Creek, CA: 20 registered with the IRS
20 health care nonprofits are registered with the IRS in Walnut Creek, CA, 20 of them 501(c)(3) charities; the 11 that report revenue took in $3.01 billion. The largest by revenue: John Muir Health ($2.02 billion), John Muir Physician Network ($519.2 million), Catalight Foundation ($393 million).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| John Muir Health | 501(c)(3) | 1966 | $2.02 billion | $3.61 billion | 2024-12 |
| John Muir Physician Network | 501(c)(3) | 1998 | $519.2 million | $167.4 million | 2024-12 |
| Catalight Foundation | 501(c)(3) | 1996 | $393 million | $147.2 million | 2025-12 |
| John Muir Foundation | 501(c)(3) | 1980 | $42.8 million | $118.7 million | 2024-12 |
| Easterseals Northern California | 501(c)(3) | 2020 | $34.3 million | $5.9 million | 2025-12 |
| Magellan Foundation | 501(c)(3) | 2019 | $153,868 | $122,216 | 2024-12 |
| Community Oriented Correctional Health Services Inc | 501(c)(3) | 2006 | $146,048 | $28,212 | 2025-12 |
| Yes and Exercise | 501(c)(3) | 2022 | $91,912 | $35,666 | 2024-12 |
| The Thriving Foundation | 501(c)(3) | 2015 | $41,764 | $36,404 | 2025-06 |
| Nicholas Colby Fund | 501(c)(3) | 2007 | $1,500 | $334,263 | 2024-12 |
| CCH Management Corporation | 501(c)(3) | 2014 | $241 | $7.1 million | 2025-06 |
| Conquering Cancer Foundation | 501(c)(3) | 2022 | $7,855 | 2025-12 | |
| End Prostate Cancer Alliance | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Good Sam Lotus Charity | 501(c)(3) | 2025 | |||
| Her Health Empowerment and Resilien Ce Foundation | 501(c)(3) | 2026 | |||
| Idun Dream Foundation | 501(c)(3) | 2026 | |||
| It Starts With A Smile Foundation | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Sikh Health Foundation Network | 501(c)(3) | 2024 | $0 | $0 | 2024-08 |
| Under the Norah Lights | 501(c)(3) | 2020 | $0 | $0 | 2023-12 |
| Wit Method | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
Other causes in Walnut Creek, CA
- Education 73
- Human services 56
- Arts, culture and humanities 54
- Philanthropy, voluntarism and grantmaking foundations 44
- Recreation and sports 42
- Religion-related 32
- Housing and shelter 30
- Community improvement and capacity building 28
- Environment 18
- Animal-related 17
- International, foreign affairs and national security 14
- Mental health and crisis intervention 14
- Public and societal benefit 11
- Youth development 9
- Medical research 6
- Mutual and membership benefit 5
- Science and technology 5
- Crime and legal-related 5
- Civil rights, social action and advocacy 5
- Diseases, disorders and medical disciplines 5
- Employment 4
Every nonprofit in Walnut Creek, 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.