Data update history
January 1, 2024
Posted financials
Added Form 990 for fiscal year 2022
January 1, 2024
Updated personnel
Identified 8 new personnel
November 25, 2023
Posted financials
Added Form 990 for fiscal year 2021
July 7, 2023
Updated personnel
Identified 3 new personnel
July 1, 2023
Posted financials
Added Form 990 for fiscal year 2020
Nonprofit Types
Grantmaking organizationsProfessional associationsBusiness and community development organizationsHeadquarter / parent organizations
Issues
HealthMedical disciplinesBusiness and industry
Characteristics
MembershipsPolitical advocacyCommunity engagement / volunteeringNo full-time employeesRelated 527
General information
- Address
- 9400 W Higgins Rd
- Rosemont, IL 60018
- Metro area
- Chicago-Naperville-Elgin, IL-IN-WI
- County
- Cook County, IL
- Website URL
- aaos.org/?ssopc=1Â
- Phone
- (847) 823-7186
- Twitter profile
- @aaos1Â
IRS details
- EIN
- 36-4241052
- Fiscal year end
- December
- Taxreturn type
- Form 990
- Year formed
- 1999
- Eligible to receive tax-deductible contributions (Pub 78)
- No
Categorization
- NTEE code, primary
- S41: Promotion of Business
- NAICS code, primary
- 813920: Professional Associations
- Parent/child status
- Central organization
Free account sign-up
Want updates when AAOS has new information, or want to find more organizations like American Association of Orthopaedic Surgeons (AAOS)?
Create free Cause IQ account