Tax-exempt organization ยท Files a Form 5500
MARSHFIELD CLINIC INC
1000 N OAK AVE, MARSHFIELD, WI 54449-5703
EIN
39-0452970
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
1987-10
IRS · 2026-09
NTEE code
E300
IRS · 2026-09
Latest tax period on file
2024-12
IRS · 2026-09
Revenue (latest 990)
$596,530,287
IRS · 2026-09
Assets (latest 990)
$663,208,222
IRS · 2026-09
Benefit plan 3, 2024 filing
MARSHFIELD CLINIC MASTER TRUST
DOL · 2025-10-15
Plan type
Direct filing entity
DOL · 2025-10-15
Benefit plan 1, 2024 filing
EMPLOYEES RETIREMENT PLAN OF MARSHFIELD CLINIC
DOL · 2025-10-15
Participants (start of year)
11,730
DOL · 2025-10-15
Plan features
code 2G2T3H2C2F2R
DOL · 2025-10-15
Plan type
Single-employer plan
DOL · 2025-10-15