Health Care nonprofits in California
Health Care nonprofits in California. Browse 5,841 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- Oakview Inc
EIN 952078722 · Headquarters: Atascadero, CA, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990
- OC Korean American Health Information & Education Center
EIN 330953529 · Headquarters: Garden Grove, CA, USA · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- Oc Wellness Care
EIN 991237019 · Headquarters: Tustin, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Occupational Therapy Association of California
EIN 956139530 · Headquarters: Sacramento, CA, USA · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990
- Ocean Enabled
EIN 861390848 · Headquarters: Dana Point, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ocean Escapes Incorporated
EIN 330345250 · Headquarters: Elk Grove, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ocean Medicine Foundation
EIN 710887757 · Headquarters: Palo Alto, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Odalu
EIN 871823529 · Headquarters: MOUNTIAN HOUSE, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Off the Mat Into the World
EIN 593841326 · Headquarters: San Francisco, CA, USA · Health Care · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Officers For Justice Youth Program
EIN 510137275 · Headquarters: San Francisco, CA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Officers Give Hope
EIN 208396491 · Headquarters: El Dorado Hills, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Og Buhay Co
EIN 993060614 · Headquarters: San Diego, CA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ohana Family Foundation
EIN 460793639 · Headquarters: CARSON, CA, USA · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Ohanian Dental Foundation
EIN 452539282 · Headquarters: Panorama City, CA, US · Health Care · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Oic Holding Corp
EIN 820778259 · Headquarters: LOS ANGELES, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oildale Group of Alcoholics Anonymous
EIN 301467976 · Headquarters: Bakersfield, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ojai Valley Community Hospital Auxiliary
EIN 330251259 · Headquarters: Ojai, CA, US · Health Care · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Ojai Valley Service Foundation Inc
EIN 953094343 · Headquarters: Ojai, CA, US · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Ojaicares Inc
EIN 463130611 · Headquarters: OJAI, CA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ok 2 Play Foundation
EIN 881484431 · Headquarters: Solana Beach, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Okeefe Street Family Center
EIN 203945831 · Headquarters: Fresno, CA, US · Health Care · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Okla Chahta Clan of California Inc
EIN 770476127 · Headquarters: BAKERSFIELD, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oklahoma State Association
EIN 731384411 · Headquarters: Modesto, CA, US · Health Care · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Oknel
EIN 334816526 · Headquarters: LOS ANGELES, CA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Okologie Inc
EIN 823459718 · Headquarters: San Francisco, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Okoronkwo Medical Corporation of Alameda County Inc
EIN 571164697 · Headquarters: Oakland, CA, US · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Ola Hou Foundation
EIN 883755401 · Headquarters: Trabuco Canyon, CA, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Olg4life
EIN 274015425 · Headquarters: San Martin, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Olives Resources Inc
EIN 432016611 · Headquarters: Richmond, CA, US · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Omar Miller Foundation
EIN 271594854 · Headquarters: Beverly Hills, CA, US · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Ombeach
EIN 472979289 · Headquarters: Manhattan Beach, CA, US · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Omni Family Health
EIN 953218000 · Headquarters: BAKERSFIELD, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Omni Vitae Institute of Science
EIN 474549130 · Headquarters: Cupertino, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Omunity
EIN 825147842 · Headquarters: SAN DIEGO, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- On Lok Inc
EIN 943101464 · Headquarters: SAN FRANCISCO, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- On Lok Senior Health Services
EIN 942162549 · Headquarters: SAN FRANCISCO, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- On Trak
EIN 834136694 · Headquarters: SANGER, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- On Your Feet Foundation Inc
EIN 863052907 · Headquarters: San Francisco, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- On-site Dental Care Foundation Inc
EIN 770495262 · Headquarters: SAN JOSE, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- One Cause
EIN 453735431 · Headquarters: Ventura, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Fabulous Day Foundation Inc
EIN 463197196 · Headquarters: Roseville, CA, US · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- One Health Center Inc
EIN 992052297 · Headquarters: UPLAND, CA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990
- One Health International
EIN 453158142 · Headquarters: REDONDO BEACH, CA, USA · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990
- One Health Partners
EIN 813152136 · Headquarters: Santa Monica, CA, US · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- One Heart World-Wide
EIN 200443243 · Headquarters: San Francisco, CA, USA · Health Care · Latest available filing year: 2018 · Primary form: IRS Form 990
- One Hit Away Foundation
EIN 465136108 · Headquarters: MILLBRAE, CA, USA · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- One Less Problem
EIN 208566143 · Headquarters: Carlsbad, CA, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- One Love Center for Health
EIN 273215926 · Headquarters: Oakland, CA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- One Step Community
EIN 993302232 · Headquarters: STEVENSON RANCH, CA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- One World Health Project
EIN 264648228 · Headquarters: Santa Monica, CA, US · Health Care · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Onehealth Africa
EIN 934747131 · Headquarters: Mountain View, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oneheart for Autism
EIN 821147617 · Headquarters: LOS ANGELES, CA, USA · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-PF
- OneLegacy
EIN 953138799 · Headquarters: AZUSA, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Onelegacy Foundation
EIN 452936915 · Headquarters: AZUSA, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oneplace Neurodevelopmental Research Center for Children and F
EIN 873364282 · Headquarters: ENCINITAS, CA, USA · Health Care · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Onerae Inc
EIN 843878621 · Headquarters: Torrance, CA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Onestop Medical Center
EIN 413014581 · Headquarters: PLEASANTON, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ongley R Ocon Inc
EIN 832557129 · Headquarters: San Mateo, CA, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Onkai Health Foundation
EIN 991030041 · Headquarters: Santa Rosa, CA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Onsite Wellness Foundation
EIN 853630642 · Headquarters: Colton, CA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Open Arms Community Health & Service Center
EIN 881955807 · Headquarters: LOS ANGELES, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Arms Pregnancy Clinic
EIN 954184344 · Headquarters: NORTHRIDGE, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Door Community Health Centers
EIN 952671433 · Headquarters: Arcata, CA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990
- Open Mri Oncology Hope Foundation a California Non Profit Corporation
EIN 954585543 · Headquarters: Carson, CA, US · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Opentreatments Foundation
EIN 862020066 · Headquarters: SAN JOSE, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Operacion Esperanza
EIN 911799532 · Headquarters: LAKE FOREST, CA, USA · Health Care · Latest available filing year: 2011 · Primary form: IRS Form 990-PF
- Operating Room Nursing Council of C
EIN 680353211 · Headquarters: PETALUMA, CA, US · Health Care · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Operation Dez Strong Inc
EIN 873999785 · Headquarters: STOCKTON, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operation Engage America Inc
EIN 474032547 · Headquarters: Coronado, CA, US · Health Care · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Operation Scrubs Inc
EIN 842089186 · Headquarters: PACIFIC PALISADES, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Operation Surf
EIN 263661313 · Headquarters: SAN LUIS OBISPO, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ophelia Riego Non Profit for Health
EIN 883588643 · Headquarters: CARMICHAEL, CA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Opsam Health
EIN 953008798 · Headquarters: CHULA VISTA, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Optimum Health Centre an Institute for the Mind Body & Spirit
EIN 943335355 · Headquarters: ROSEVILLE, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Options for Life Foundation
EIN 451073059 · Headquarters: CALABASAS, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Options Health
EIN 680026753 · Headquarters: Pittsburg, CA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990
- Opus Cares Inc
EIN 474516791 · Headquarters: Los Angeles, CA, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Opus Novum Foundation
EIN 271457445 · Headquarters: Fremont, CA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oral Disability Rescue Non Profit
EIN 371668463 · Headquarters: NEWPORT BEACH, CA, USA · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- Oral Health Awareness Society
EIN 473055577 · Headquarters: Woodbridge, CA, US · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Oral Health Worldwide Inc
EIN 274351995 · Headquarters: Camarillo, CA, US · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Orange Coast Memorial Medical Center
EIN 330687414 · Headquarters: FOUNTAIN VALLEY, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-T
- Orange County Asian and Pacific Islander
EIN 912047245 · Headquarters: GARDEN GROVE, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orange County Association of Occupational Health Nurses Inc
EIN 953655352 · Headquarters: Irvine, CA, US · Health Care · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Orange County Breastfeeding Coalition
EIN 330928926 · Headquarters: SANTA ANA, CA, USA · Health Care · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Orange County Cocaine Anonymous
EIN 330283529 · Headquarters: COSTA MESA, CA, US · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Orange County Dental Society Dental Health Foundation
EIN 330791720 · Headquarters: Orange, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orange County Foundation for Medical Care
EIN 330025519 · Headquarters: Irvine, CA, US · Health Care · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Orange County Foundation for Oncology Children and Families
EIN 953786863 · Headquarters: Orange, CA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990
- Orange County Global Medical Center Auxiliary
EIN 330806515 · Headquarters: Santa Ana, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Orange County Long Beach Consortium
EIN 330201228 · Headquarters: COSTA MESA, CA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Orange County Medical Association Womans Auxiliary
EIN 956096762 · Headquarters: Orange, CA, US · Health Care · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Orange County Partnership Regional Health Information Organization Inc
EIN 461145952 · Headquarters: ORANGE, CA, USA · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990
- Orange County Society of Health Systems Pharmacists
EIN 330421478 · Headquarters: Irvine, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orange County Tremble Clefs
EIN 882367558 · Headquarters: Irvine, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orange Smiles Organization
EIN 932389539 · Headquarters: Orange, CA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orchard Hospital
EIN 941049467 · Headquarters: Gridley, CA, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990
- Orchard Hospital Foundation
EIN 680474996 · Headquarters: GRIDLEY, CA, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990
- Order of Malta Clinic of Northern California
EIN 205969389 · Headquarters: Oakland, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Order of Malta Clinic of San Diego Inc
EIN 994533992 · Headquarters: SOLANA BEACH, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ