John K Atsalis Charitable Foundation is a 501(c)(3) organization based in Hyannis, Massachusetts, registered in 2026.
Revenue
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Education median: $200K
Expenses
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Net assets
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Employees
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Data for John K Atsalis Charitable Foundation (EIN 45-5258660) comes from the IRS Business Master File and e-filed Form 990 returns, via CharityIndex. Figures reflect what the organization reported to the IRS for each fiscal year.