Question 1

Is Mammoth Hospital Foundation a tax-exempt 501(c)(3)?

Accepted Answer

Yes — Mammoth Hospital Foundation is recognised by the IRS as a 501(c)(3) organisation (EIN 20-2601653). The IRS recognised Mammoth Hospital Foundation as tax-exempt in March 2008.

Question 2

What is Mammoth Hospital Foundation's EIN?

Accepted Answer

Mammoth Hospital Foundation's Employer Identification Number (EIN) is 20-2601653. The EIN was assigned by the IRS in March 2008. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Mammoth Hospital Foundation do?

Accepted Answer

Promotion of medical, Hospital and healthcare services throughout Mono and Inyo counties within the Eastern Sierra Nevada region, California. Provide assistance to people in need of Health Care as well as funds for advancements in facilities, technologies and programs.

Question 4

Where is Mammoth Hospital Foundation located?

Accepted Answer

Mammoth Hospital Foundation is located at PO Box 660, Mammoth Lakes, CA, 93546.

Question 5

When was Mammoth Hospital Foundation founded or recognised by the IRS?

Accepted Answer

Mammoth Hospital Foundation was recognised by the IRS as a tax-exempt organisation in March 2008. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Mammoth Hospital Foundation's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2023), Mammoth Hospital Foundation reported $998K in total revenue and $637K in total expenses.

Question 7

Has Mammoth Hospital Foundation been auto-revoked by the IRS?

Accepted Answer

No — Mammoth Hospital Foundation (EIN 20-2601653) does not appear on the IRS Auto-Revocation List. Givalgo Discover cross-references the IRS Auto-Revocation List on every profile load; if status changes, this page reflects it.

Question 8

Is Mammoth Hospital Foundation listed in IRS Publication 78?

Accepted Answer

Yes — Mammoth Hospital Foundation is listed in IRS Publication 78 as an organisation eligible to receive tax-deductible charitable contributions. Pub 78 status is the canonical IRS signal that donations to an org are deductible.

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Mammoth Hospital Foundation

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