Skip to main content
IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 20-0301903

ARIZONA ORTHOPAEDIC RESEARCH CENTER

Tax-exempt · TUCSON, AZ 85751

Address and contacts

Address (IRS master file)
PO BOX 31570, TUCSON, AZ 85751-1570
In care of
% GREGORY WATERS
Mailing address (990-N for 2025)
PO Box 31570, Tucson AZ 85751
Principal officer (990-N for 2025)
Paula Hecht, PO Box 31570, Tucson AZ 85751

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 ARIZONA ORTHOPAEDIC RESEARCH CENTER

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

IRS record

EIN
20-0301903
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
2005
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Medical research (H50)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Paula Hecht
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Steven Zeiller MD
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Paula Register Hecht
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Paula Register Hecht
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Paula Register
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Paula Register
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 20-0301903).

Questions about ARIZONA ORTHOPAEDIC RESEARCH CENTER

What is the EIN of ARIZONA ORTHOPAEDIC RESEARCH CENTER?
The employer identification number (EIN) of ARIZONA ORTHOPAEDIC RESEARCH CENTER is 20-0301903.
Is ARIZONA ORTHOPAEDIC RESEARCH CENTER tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2005.
Are donations to ARIZONA ORTHOPAEDIC RESEARCH CENTER tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does ARIZONA ORTHOPAEDIC RESEARCH CENTER file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of ARIZONA ORTHOPAEDIC RESEARCH CENTER 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 ARIZONA ORTHOPAEDIC RESEARCH CENTER 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 ARIZONA ORTHOPAEDIC RESEARCH CENTER?
The 990-N for 2025 names Paula Hecht.

Other nonprofits in TUCSON

All nonprofits in TUCSON · Arizona · Medical research