Data update history
October 27, 2023
Posted financials
Added Form 990EZ for fiscal year 2022
October 27, 2023
Updated personnel
Identified 1 new personnel
August 29, 2023
Posted financials
Added Form 990EZ for fiscal year 2021
May 9, 2023
Updated personnel
Identified 5 new personnel
Nonprofit Types
Professional associationsBusiness and community development organizationsDisease-focused nonprofits
Issues
HealthMedical disciplinesCommunity improvementBusiness and industry
Characteristics
MembershipsPolitical advocacyState / local levelNo full-time employees
General information
- Address
- 1215 Fourth Ave 1901
- Seattle, WA 98101
- Metro area
- Seattle-Tacoma-Bellevue, WA
- County
- King County, WA
- Website URL
- wsoa.org/
- Phone
- (206) 441-9762
IRS details
- EIN
- 91-1274377
- Fiscal year end
- December
- Taxreturn type
- Form 990-EZ
- Year formed
- 1995
- Eligible to receive tax-deductible contributions (Pub 78)
- No
Categorization
- NTEE code, primary
- G03: Voluntary Health Associations and Medical Disciplines Professional Societies and Associations
- NAICS code, primary
- 813920: Professional Associations
- Parent/child status
- Independent
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