Data / Nonprofits / Illinois / Oak Brook / Diseases, disorders and medical disciplines
Diseases, disorders and medical disciplines nonprofits in Oak Brook, IL: 5 registered with the IRS
5 diseases, disorders and medical disciplines nonprofits are registered with the IRS in Oak Brook, IL, 5 of them 501(c)(3) charities; the 4 that report revenue took in $76.3 million. The largest by revenue: Radiological Society of North America Inc ($68.5 million), Pediatric Orthopaedic Society of North America ($4.8 million), The American Laryngological Rhinological and Otological ($3 million).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Radiological Society of North America Inc | 501(c)(3) | 1943 | $68.5 million | $218.3 million | 2025-06 |
| Pediatric Orthopaedic Society of North America | 501(c)(3) | 1991 | $4.8 million | $19.8 million | 2025-12 |
| The American Laryngological Rhinological and Otological | 501(c)(3) | 1992 | $3 million | $25.5 million | 2025-07 |
| Southeastern Neuroradiological Society Inc | 501(c)(3) | 1983 | $103,376 | $126,494 | 2025-12 |
| Sun Health Foundation | 501(c)(3) | 1998 | $0 | $0 | 2025-12 |
Other causes in Oak Brook, IL
- Philanthropy, voluntarism and grantmaking foundations 39
- Religion-related 19
- Education 19
- Human services 18
- Health care 13
- Housing and shelter 12
- Community improvement and capacity building 11
- Arts, culture and humanities 10
- Recreation and sports 7
- International, foreign affairs and national security 6
- Animal-related 4
- Mental health and crisis intervention 4
- Public and societal benefit 3
- Environment 3
- Medical research 3
Every nonprofit in Oak Brook, IL · Diseases, disorders and medical disciplines 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.