Data / Nonprofits / Mississippi / Hattiesburg / Health care
Health care nonprofits in Hattiesburg, MS: 12 registered with the IRS
12 health care nonprofits are registered with the IRS in Hattiesburg, MS, 10 of them 501(c)(3) charities; the 7 that report revenue took in $39.9 million. The largest by revenue: Southeast Mississippi Rural Health Initiative Inc ($33.6 million), Mississippi Ambulance Alliance ($3.4 million), Forrest General Healthcarefoundation Inc ($1.7 million).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Southeast Mississippi Rural Health Initiative Inc | 501(c)(3) | 1980 | $33.6 million | $13.1 million | 2025-01 |
| Mississippi Ambulance Alliance | 501(c)(6) | 2020 | $3.4 million | $4.3 million | 2025-12 |
| Forrest General Healthcarefoundation Inc | 501(c)(3) | 2006 | $1.7 million | $5.1 million | 2025-09 |
| Pine Grove Public Benefit Corporation | 501(c)(3) | 2023 | $778,962 | $15.9 million | 2025-09 |
| Professionals Health Network Inc | 501(c)(3) | 2010 | $243,799 | $146,724 | 2025-12 |
| South Mississippi Health Services Inc | 501(c)(3) | 1986 | $203,807 | $3.7 million | 2021-09 |
| Forrest General Health Services Inc | 501(c)(3) | 1989 | $391 | $212,622 | 2025-09 |
| Association for Professionals in Infection CTRL & Epidemiology Inc | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Forrest County General Hospital | 501(c)(3) | 1970 | |||
| Littlest Warriors Foundation | 501(c)(3) | 2026 | |||
| Mississippi Association Medical Staff Services | 501(c)(6) | 2019 | $0 | $0 | 2026-03 |
| Pink Lady | 501(c)(3) | 2018 | $0 | $0 | 2025-06 |
Other causes in Hattiesburg, MS
- Religion-related 59
- Education 57
- Human services 35
- Recreation and sports 23
- Community improvement and capacity building 21
- Arts, culture and humanities 19
- Philanthropy, voluntarism and grantmaking foundations 13
- Public and societal benefit 9
- Youth development 9
- Mental health and crisis intervention 7
- Food, agriculture and nutrition 7
- Animal-related 6
- International, foreign affairs and national security 3
- Housing and shelter 3
- Public safety, disaster preparedness and relief 3
- Diseases, disorders and medical disciplines 3
- Environment 3
Every nonprofit in Hattiesburg, MS · 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.