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Data / Nonprofits / New York / Williamsville / Health care

Health care nonprofits in Williamsville, NY: 10 registered with the IRS

10 health care nonprofits are registered with the IRS in Williamsville, NY, 10 of them 501(c)(3) charities; the 3 that report revenue took in $102.8 million. The largest by revenue: Rpci Oncology PC ($102.1 million), Consortium Information Services Inc ($606,498), The Jolly Boys of Williamsville New York Inc ($147,815).

SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.

Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Rpci Oncology PC501(c)(3)2014$102.1 million$32.6 million2025-03
Consortium Information Services Inc501(c)(3)1994$606,498$516,7242025-12
The Jolly Boys of Williamsville New York Inc501(c)(3)1998$147,815$199,5592025-04
Bobbi Larsen Hope Fund Inc501(c)(3)2026
Episcopal Community Healthcare Inc501(c)(3)1986$0$02025-12
Episcopal Residential Health Care Facility Inc501(c)(3)1996$0$02025-12
Friends of Carly501(c)(3)2018$0$02024-12
Helping Hands Worldwide501(c)(3)2018$0$02025-12
People Inc501(c)(3)1998
Premier Spine Center501(c)(3)2021$0$02023-12

Other causes in Williamsville, NY

Every nonprofit in Williamsville, NY · 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.