Data update history
August 31, 2024
Posted financials
Added Form 990 for fiscal year 2023
August 31, 2024
Updated personnel
Identified 2 new personnel
January 2, 2024
Received grants
November 25, 2023
Posted financials
Added Form 990EZ for fiscal year 2021
August 2, 2023
Posted financials
Added Form 990 for fiscal year 2022
Nonprofit Types
Professional associationsBusiness and community development organizationsDisease-focused nonprofits
Issues
HealthEducationMedical disciplinesCommunity improvementBusiness and industry
Characteristics
MembershipsPolitical advocacyState / local level
General information
- Address
- 2121 SW Broadway 115
- Portland, OR 97201
- Metro area
- Portland-Vancouver-Hillsboro, OR-WA
- County
- Multnomah County, OR
- Website URL
- opso.org/default.aspxÂ
- Phone
- (503) 299-6776
IRS details
- EIN
- 93-6025596
- Fiscal year end
- December
- Taxreturn type
- Form 990
- Year formed
- 1917
- 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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