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Data / Nonprofits / Wisconsin / Wausau / Health care

Health care nonprofits in Wausau, WI: 13 registered with the IRS

13 health care nonprofits are registered with the IRS in Wausau, WI, 12 of them 501(c)(3) charities; the 10 that report revenue took in $994.5 million. The largest by revenue: Aspirus Wausau Hospital Inc ($792 million), Aspirus Medical Group Inc ($137.9 million), Aspirus Inc ($47.1 million).

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Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Aspirus Wausau Hospital Inc501(c)(3)1971$792 million$410.8 million2025-06
Aspirus Medical Group Inc501(c)(3)1994$137.9 million$46.2 million2025-06
Aspirus Inc501(c)(3)1979$47.1 million$1.83 billion2025-06
Primary Connection Health Care Inc501(c)(3)1994$6.6 million$7 million2025-06
Healthfirst Network Inc501(c)(3)1982$5.2 million$5 million2024-12
Aspirus Health Foundation Inc501(c)(3)1977$2.8 million$60.6 million2025-06
Aspirus Extended Services Inc501(c)(3)1999$1.2 million$1.2 million2025-06
Aspirus Buildings Inc501(c)(3)1982$881,513$33.3 million2025-06
North Central Wisconsin Ahec Inc501(c)(3)1993$525,960$282,1652025-06
Aspirus Medical Group Northern Wisconsin Inc501(c)(3)2023$123,937$439,1592025-06
American Kinlein Association501(c)(6)2004$0$02025-12
La Leche League of the United States of America Inc501(c)(3)2017$0$02024-03
North Central Health Foundation Inc501(c)(3)1983$0$02024-06

Other causes in Wausau, WI

Every nonprofit in Wausau, WI · 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.