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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 47-2358683

SIERRA FRONTIER MEDICAL RESOURCES INC

Tax-exempt · DOWNIEVILLE, CA 95936

Address and contacts

Address (IRS master file)
PO BOX 393, DOWNIEVILLE, CA 95936-0393
In care of
% C INGRID LARSON
Mailing address (990-N for 2025)
PO BOX 393, Downieville CA 95936
Principal officer (990-N for 2025)
Ingrid Larson, PO BOX 393, Downieville CA 95936

California records

California keeps its own records of charities and corporations. Search them by EIN 47-2358683 or by the name SIERRA FRONTIER MEDICAL RESOURCES INC.

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 June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026990-N on file
2024June 30, 2025November 17, 2025990-N on file
2023June 30, 2024November 15, 2024990-N on file

File the 2026 990-N for SIERRA FRONTIER MEDICAL RESOURCES INC

Due November 15, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
47-2358683
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
2015
Accounting year ends
June
Files
Form 990-N (e-Postcard)
Category (NTEE)
Health care (E19)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Ingrid Larson
June 30, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: FRANK LANG
June 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: FRANK LANG
June 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: FRANK LANG
June 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: INGRID LARSON
June 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: INGRID LARSON
June 30, 2020≤ $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 47-2358683).

Questions about SIERRA FRONTIER MEDICAL RESOURCES INC

What is the EIN of SIERRA FRONTIER MEDICAL RESOURCES INC?
The employer identification number (EIN) of SIERRA FRONTIER MEDICAL RESOURCES INC is 47-2358683.
Is SIERRA FRONTIER MEDICAL RESOURCES INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2015.
Are donations to SIERRA FRONTIER MEDICAL RESOURCES INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SIERRA FRONTIER MEDICAL RESOURCES INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SIERRA FRONTIER MEDICAL RESOURCES INC due?
The return for tax year 2026 (the year ending June 30, 2027) is due November 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did SIERRA FRONTIER MEDICAL RESOURCES INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended June 30, 2026.
Who is the principal officer of SIERRA FRONTIER MEDICAL RESOURCES INC?
The 990-N for 2025 names Ingrid Larson.

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