Tax-exempt organization ยท Files a Form 5500
MAYO CLINIC
PO BOX 4007, ROCHESTER, MN 55903-4007
EIN
41-6011702
Tax-exempt status
501(c)(3) charitable, religious, educational
IRS · 2026-09
Deductibility
Contributions are deductible
IRS · 2026-09
Foundation classification
Publicly supported charity (509(a)(2))
IRS · 2026-09
IRS ruling date
1947-01
IRS · 2026-09
NTEE code
E21
IRS · 2026-09
Latest tax period on file
2024-12
IRS · 2026-09
Revenue (latest 990)
$7,929,118,794
IRS · 2026-09
Assets (latest 990)
$26,682,635,058
IRS · 2026-09
Benefit plan 1, 2024 filing
MAYO PENSION PLAN
DOL · 2025-10-06
Participants (start of year)
89,614
DOL · 2025-10-06
Plan features
code 1A3H
DOL · 2025-10-06
Plan type
Single-employer plan
DOL · 2025-10-06
Business code (NAICS)
621112
DOL · 2025-10-06
Benefit plan 2, 2024 filing
MAYO 403(B) PLAN
DOL · 2025-07-18