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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 45-4446897

NATURAL THERMAL THERAPY INSTITUTE

Tax-exempt · LOS ANGELES, CA 90019

Address and contacts

Address (IRS master file)
1508 6TH AVE, LOS ANGELES, CA 90019-4301
In care of
% REV YOUNG SOO CHOO
Mailing address (990-N for 2025)
1508 6TH AVE, LOS ANGELES CA 90019
Principal officer (990-N for 2025)
YOUNG SOO CHOO, 1508 6TH AVE, LOS ANGELES CA 90019

California records

California keeps its own records of charities and corporations. Search them by EIN 45-4446897 or by the name NATURAL THERMAL THERAPY INSTITUTE.

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, 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 NATURAL THERMAL THERAPY INSTITUTE

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

IRS record

EIN
45-4446897
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
2014
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: YOUNG SOO CHOO
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: YOUNG SOO CHOO
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: YOUNG SOO CHOO
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: YOUNG SOO CHOO
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: YOUNG SOO CHOO
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: YOUNG SOO CHOO
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2017
Officer: Rev Young Soo Choo
December 31, 2017≤ $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 45-4446897).

Questions about NATURAL THERMAL THERAPY INSTITUTE

What is the EIN of NATURAL THERMAL THERAPY INSTITUTE?
The employer identification number (EIN) of NATURAL THERMAL THERAPY INSTITUTE is 45-4446897.
Is NATURAL THERMAL THERAPY INSTITUTE tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2014.
Are donations to NATURAL THERMAL THERAPY INSTITUTE tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does NATURAL THERMAL THERAPY INSTITUTE file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of NATURAL THERMAL THERAPY INSTITUTE 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 NATURAL THERMAL THERAPY INSTITUTE 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 NATURAL THERMAL THERAPY INSTITUTE?
The 990-N for 2025 names YOUNG SOO CHOO.

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