EntityWire

EntityWire/Minnesota business entity search →/MAYO CLINIC

Tax-exempt organization

MAYO CLINIC

MAYO CLINIC's Employer Identification Number (EIN) is 41-6011702.

At a glance

EIN
41-6011702 · 416011702
Legal name
MAYO CLINIC
Also filed as
MAYO CLINIC (A NON PROFIT CORPORATION)
Address on file
PO BOX 4007, ROCHESTER, MN 55903-4007
Records show
Tax-exempt organization; employer with a benefit plan; state registration
Latest record
2026-09

State registration

Florida Division of Corporations (Sunbiz) bulk data · records as of 2026-07-10

Florida registration
Active · Foreign not-for-profit corporation
Source: Florida registry · as of 2026-07-10
Florida document number
F10000001395
Source: Florida registry · as of 2026-07-10
Registered in Florida
2010-03-17
Source: Florida registry · as of 2026-07-10
Registered agent
BUSKIRK TIMOTHY
Source: Florida registry · as of 2026-07-10

Benefit plans

DOL Form 5500 filings (EFAST2) · records as of 2025-10-06

Benefit plan 1, 2024 filing
MAYO PENSION PLAN
Source: DOL 5500 · as of 2025-10-06
Participants (start of year)
89,614
Source: DOL 5500 · as of 2025-10-06

IRS exempt organization record

IRS Exempt Organizations Business Master File · records as of 2026-09

Tax-exempt status
501(c)(3) charitable, religious, educational
Source: IRS · as of 2026-09
Deductibility
Contributions are deductible
Source: IRS · as of 2026-09
Foundation classification
Publicly supported charity (509(a)(2))
Source: IRS · as of 2026-09
IRS ruling date
1947-01
Source: IRS · as of 2026-09
NTEE code
E21
Source: IRS · as of 2026-09
Latest tax period on file
2024-12
Source: IRS · as of 2026-09
Revenue (latest 990)
$7,929,118,794
Source: IRS · as of 2026-09
Assets (latest 990)
$26,682,635,058
Source: IRS · as of 2026-09

What this record is

Public filings that carry this EIN (DOL Form 5500 filings (EFAST2), Florida Division of Corporations (Sunbiz) bulk data and IRS Exempt Organizations Business Master File), shown as filed. Nothing is scraped from the IRS, and a public-record match is not IRS TIN validation.

What it is not

Registry status, formation date, and registered agent come from the Minnesota Secretary of State, Business Services; see the Minnesota business entity search.

If something is wrong

A name, address, or classification here is what the source published. To correct the source, file with it; to have this page removed, see corrections and removal.

Other Minnesota businesses on file

Look up another business

Free search. No account required.