Tax-exempt organization ยท Files a Form 5500
WINCHESTER HOSPITAL
CO BILH TAX 529 MAIN ST 4TH FL, CHARLESTOWN, MA 02129-0000
EIN
04-2104434
Tax-exempt status
501(c)(3) charitable, religious, educational
IRS · 2026-09
Deductibility
Contributions are deductible
IRS · 2026-09
Foundation classification
Hospital or medical research organization
IRS · 2026-09
IRS ruling date
2015-03
IRS · 2026-09
NTEE code
E20
IRS · 2026-09
Latest tax period on file
2025-09
IRS · 2026-09
Revenue (latest 990)
$397,078,672
IRS · 2026-09
Assets (latest 990)
$633,583,118
IRS · 2026-09
Benefit plan 2, 2023 filing
WINCHESTER HOSPITAL FLEXIBLE PENSION PLAN
DOL · 2024-10-15
Participants (start of year)
3,178
DOL · 2024-10-15
Plan features
code 2T3H2L2R
DOL · 2024-10-15
Plan type
Single-employer plan
DOL · 2024-10-15
Business code (NAICS)
622000
DOL · 2024-10-15
Benefit plan 2, 2022 filing
WINCHESTER HOSPITAL FLEXIBLE PENSION PLAN
DOL · 2023-10-13