EntityWire/Wisconsin business entity search →/MARSHFIELD CLINIC INC
Tax-exempt organization
MARSHFIELD CLINIC INC
MARSHFIELD CLINIC INC's Employer Identification Number (EIN) is 39-0452970.
At a glance
- EIN
- 39-0452970 · 390452970
- Legal name
- MARSHFIELD CLINIC INC
- Address on file
- 1000 N OAK AVE, MARSHFIELD, WI 54449-5703
- 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
- F26000001981
- Source: Florida registry · as of 2026-07-10
- Registered in Florida
- 2026-04-02
- Source: Florida registry · as of 2026-07-10
- Registered agent
- C T CORPORATION SYSTEM
- Source: Florida registry · as of 2026-07-10
Benefit plans
DOL Form 5500 filings (EFAST2) · records as of 2025-10-15
- Benefit plan 3, 2024 filing
- MARSHFIELD CLINIC MASTER TRUST
- Source: DOL 5500 · as of 2025-10-15
- Plan type
- Direct filing entity
- Source: DOL 5500 · as of 2025-10-15
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
- Hospital or medical research organization
- Source: IRS · as of 2026-09
- IRS ruling date
- 1987-10
- Source: IRS · as of 2026-09
- NTEE code
- E300
- Source: IRS · as of 2026-09
- Latest tax period on file
- 2024-12
- Source: IRS · as of 2026-09
- Revenue (latest 990)
- $596,530,287
- Source: IRS · as of 2026-09
- Assets (latest 990)
- $663,208,222
- 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 Wisconsin Department of Financial Institutions, Division of Corporate and Consumer Services (Corporation Bureau); see the Wisconsin 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 Wisconsin businesses on file
- ASSISTED LIVING CONCEPTS INCEIN 93-1148702
- FROEDTERT THEDACARE HEALTH INCEIN 39-2014409
- BELLIN MEMORIAL HOSPITAL INCEIN 39-0884478
- MARSHFIELD CLINIC HEALTH SYSTEM INCEIN 46-1495343
- ROGERS MEMORIAL HOSPITAL INCORPORATEDEIN 39-1139101
- PROHEALTH CARE INCEIN 39-1486873
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