Data / Nonprofits / Arizona / Tucson / Medical research
Medical research nonprofits in Tucson, AZ: 30 registered with the IRS
30 medical research nonprofits are registered with the IRS in Tucson, AZ, 30 of them 501(c)(3) charities; the 12 that report revenue took in $50.9 million. The largest by revenue: Critical Path Institute ($46.8 million), Alzheimers Research and Prevention Foundation ($734,869), Charles H Tweed International Foundation for Orthodontic Researc ($733,408).
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Every organization, largest by revenue first
Other causes in Tucson, AZ
- Education 467
- Religion-related 395
- Human services 317
- Arts, culture and humanities 296
- Recreation and sports 268
- Philanthropy, voluntarism and grantmaking foundations 199
- Animal-related 139
- Community improvement and capacity building 138
- Health care 124
- Youth development 94
- Environment 75
- Public and societal benefit 68
- Mental health and crisis intervention 64
- Housing and shelter 62
- International, foreign affairs and national security 56
- Crime and legal-related 39
- Diseases, disorders and medical disciplines 31
- Employment 30
- Food, agriculture and nutrition 30
- Science and technology 26
- Public safety, disaster preparedness and relief 25
- Civil rights, social action and advocacy 23
- Mutual and membership benefit 16
- Social science 6
Every nonprofit in Tucson, AZ · Medical research 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.