Question 1

Is American Society for Radiation Oncology a tax-exempt 501(c)(3)?

Accepted Answer

Yes — American Society for Radiation Oncology is recognised by the IRS as a 501(c)(6) organisation (EIN 42-0943164). The IRS recognised American Society for Radiation Oncology as tax-exempt in September 1971.

Question 2

What is American Society for Radiation Oncology's EIN?

Accepted Answer

American Society for Radiation Oncology's Employer Identification Number (EIN) is 42-0943164. The EIN was assigned by the IRS in September 1971. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does American Society for Radiation Oncology do?

Accepted Answer

Astro is dedicated to improving patient care through education, clinical practice, advancements of science, and advocacy.

Question 4

Where is American Society for Radiation Oncology located?

Accepted Answer

American Society for Radiation Oncology is located at 251 18th ST South 8th Floor, Arlington, VA, 22202.

Question 5

When was American Society for Radiation Oncology founded or recognised by the IRS?

Accepted Answer

American Society for Radiation Oncology was recognised by the IRS as a tax-exempt organisation in September 1971. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is American Society for Radiation Oncology's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2024), American Society for Radiation Oncology reported $25.3M in total revenue and $25.4M in total expenses.

Question 7

Has American Society for Radiation Oncology been auto-revoked by the IRS?

Accepted Answer

No — American Society for Radiation Oncology (EIN 42-0943164) 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 American Society for Radiation Oncology listed in IRS Publication 78?

Accepted Answer

Givalgo Discover did not find American Society for Radiation Oncology in the most recent IRS Publication 78 download. Some tax-exempt organisations (e.g., churches and government instrumentalities) are eligible to receive deductible contributions without appearing in Pub 78 — verify directly with the IRS if uncertain.

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American Society for Radiation Oncology

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