Data update history
August 10, 2023
Posted financials
Added Form 990 for fiscal year 2021
May 17, 2023
Updated personnel
Identified 3 new personnel
July 20, 2022
Posted financials
Added Form 990 for fiscal year 2020
March 7, 2022
Posted financials
Added Form 990 for fiscal year 2019
November 6, 2020
Updated personnel
Identified 1 new personnel
Nonprofit Types
Grantmaking organizationsDisease research fundraisersClinicsHealth organizationsHeadquarter / parent organizations
Issues
Health
Characteristics
Conducts researchTax deductible donationsNo full-time employees
General information
- Address
- 12166 Old Big Bend Rd 110
- Saint Louis, MO 63122
- Metro area
- St. Louis, MO-IL
- County
- St. Louis County, MO
- Website URL
- mwstone.com/
- Phone
- (314) 835-1549
IRS details
- EIN
- 43-1382746
- Fiscal year end
- September
- Taxreturn type
- Form 990
- Year formed
- 1985
- Eligible to receive tax-deductible contributions (Pub 78)
- Yes
Categorization
- NTEE code, primary
- E30: Health Treatment Facilities and Clinics, Outpatient
- NAICS code, primary
- 813212: Health and Disease Research Fundraising Organizations
- Parent/child status
- Independent
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