This is an entry on a government list of organisations recognised as exempt from income tax, not a company register filing.
Listed address
PO BOX 5600
55987-0600 WINONA
MN
United States
Exemption details
- Assets
- USD 99,251,023
- Income
- USD 111,994,262
- Revenue
- USD 111,941,292
- Register
- IRS Exempt Organizations Business Master File
- Exemption
- 501(c)(3)
- NTEE code
- E220
- Foundation status
- Hospital or medical research organization
- IRS ruling date
- 1935-03
- Activity codes
- 150000000
- Foundation code
- 12
- IRS subsection code
- 03
- Affiliation code
- 3
- Accounting period ends (month)
- 09
- Deductibility code
- 1
- Classification codes
- 1000
- Filing requirement code
- 01
- Tax period of the latest return
- 2025-09
- Exempt organisation status code
- 01
- Private foundation filing requirement code
- 0
Not supplied by the register: Group exemption number.
US Department of Labor Form 5500
Filed employee benefit plans linked by the sponsor’s EIN. Participants are not company headcount. One employer can sponsor several plans; figures must not be summed across them. Each dataset is matched to this company by the registered number its publisher gives, never by name.
-
Benefit plan 001
- Plan number
- 001
- Plan year starts
- 1 Jan 2025
- Plan year ends
- 31 Dec 2025
- Received
- 12 Oct 2026
- Participants at start of year
- 1,308
- Active plan participants
- 973
- Amended filing
- No
-
Benefit plan 503
- Plan number
- 503
- Plan year starts
- 1 Oct 2024
- Plan year ends
- 30 Sep 2025
- Received
- 23 Jan 2026
- Participants at start of year
- 626
- Active plan participants
- 599
-
Benefit plan 001
- Plan number
- 001
- Plan year starts
- 1 Jan 2024
- Plan year ends
- 31 Dec 2024
- Received
- 6 Oct 2025
- Participants at start of year
- 1,990
- Active plan participants
- 937
- Amended filing
- No
-
Benefit plan 503
- Plan number
- 503
- Plan year starts
- 1 Oct 2023
- Plan year ends
- 30 Sep 2024
- Received
- 10 Feb 2025
- Participants at start of year
- 653
- Active plan participants
- 626
-
Benefit plan 001
- Plan number
- 001
- Plan year starts
- 1 Jan 2023
- Plan year ends
- 31 Dec 2023
- Received
- 11 Oct 2024
- Participants at start of year
- 1,881
- Active plan participants
- 960
- Amended filing
- No
US Department of Labor Form 5500 · Linked dataset
Source: US Department of Labor Form 5500; edition 2026-11-12. Filtered and reformatted by CorporateDB.
- Changes
- Data filtered and reformatted by CorporateDB.
History
Versions of this record since CorporateDB began collecting it.
- 9 Nov 2026Version 1
WINONA HEALTH SERVICES · Recognised as tax-exempt
Source and reuse
Internal Revenue Service, Exempt Organizations Business Master File
Source: Internal Revenue Service, Exempt Organizations Business Master File Extract (EO BMF); filtered and reformatted by CorporateDB.
- Changes
- Data filtered and reformatted by CorporateDB.