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Nonprofit · EIN 73-1476822

PRADER WILLI SYNDROME ASSOCIATION OF OKLAHOMA

Also known as PWSA OF OK

Tax-exempt · OKLAHOMA CITY, OK 73114

Address and contacts

Address (IRS master file)
12368 MARKET DR, OKLAHOMA CITY, OK 73114-8136
In care of
% ENERQUEST OIL & GAS LLC
Mailing address (990-N for 2025)
12368 MARKET DRIVE, OKLAHOMA CITY OK 73114
Principal officer (990-N for 2025)
Grechen Hannefield Walker, 230 West Woodrow Place, Tulsa OK 74106

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-N on file
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-N for PRADER WILLI SYNDROME ASSOCIATION OF OKLAHOMA

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
73-1476822
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1995
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Health care (E60)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Grechen Hannefield Walker
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Gretchen Hannefield Walker
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Grechen Hannefield Walker
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Gretchen Hannefield
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Gretchen Hannefield
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Gretchen Hannefield
December 31, 2019≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 73-1476822).

Questions about PRADER WILLI SYNDROME ASSOCIATION OF OKLAHOMA

What is the EIN of PRADER WILLI SYNDROME ASSOCIATION OF OKLAHOMA?
The employer identification number (EIN) of PRADER WILLI SYNDROME ASSOCIATION OF OKLAHOMA is 73-1476822.
Is PRADER WILLI SYNDROME ASSOCIATION OF OKLAHOMA tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1995.
Are donations to PRADER WILLI SYNDROME ASSOCIATION OF OKLAHOMA tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does PRADER WILLI SYNDROME ASSOCIATION OF OKLAHOMA file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of PRADER WILLI SYNDROME ASSOCIATION OF OKLAHOMA due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did PRADER WILLI SYNDROME ASSOCIATION OF OKLAHOMA last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of PRADER WILLI SYNDROME ASSOCIATION OF OKLAHOMA?
The 990-N for 2025 names Grechen Hannefield Walker.

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