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

Nonprofit · EIN 25-1662411

SOCIETY FOR NATURAL IMMUNITY

Tax-exempt · DUARTE, CA 91010

Address and contacts

Address (IRS master file)
1500 DUARTE RD, DUARTE, CA 91010-3012
In care of
% BA KLEWIEN
Mailing address (990-N for 2023)
1500 East Duarte Road, Duarte CA 91010
Principal officer (990-N for 2023)
Michael Caligiuri, 1500 East Duarte Road, Duarte CA 91010

California records

California keeps its own records of charities and corporations. Search them by EIN 25-1662411 or by the name SOCIETY FOR NATURAL IMMUNITY.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

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, 2026Not on file
2024December 31, 2024May 15, 2025Not on file
2023December 31, 2023May 15, 2024990-N on file

File the 2025 990-N for SOCIETY FOR NATURAL IMMUNITY

Due May 15, 2026 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
25-1662411
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2007
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Medical research (H03)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2023
Officer: Michael Caligiuri
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Michael Caligiuri
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Michael Caligiuri
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Michael Caligiuri
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 25-1662411).

Questions about SOCIETY FOR NATURAL IMMUNITY

What is the EIN of SOCIETY FOR NATURAL IMMUNITY?
The employer identification number (EIN) of SOCIETY FOR NATURAL IMMUNITY is 25-1662411.
Is SOCIETY FOR NATURAL IMMUNITY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2007.
Are donations to SOCIETY FOR NATURAL IMMUNITY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SOCIETY FOR NATURAL IMMUNITY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SOCIETY FOR NATURAL IMMUNITY due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did SOCIETY FOR NATURAL IMMUNITY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2023 for the year ended December 31, 2023.
Who is the principal officer of SOCIETY FOR NATURAL IMMUNITY?
The 990-N for 2023 names Michael Caligiuri.

Other nonprofits in DUARTE

All nonprofits in DUARTE · California · Medical research