- Is Simpson Cancer Society a tax-exempt 501(c)(3)?
- Yes — Simpson Cancer Society is recognised by the IRS as a 501(c)(3) organisation (EIN 39-3830050). The IRS recognised Simpson Cancer Society as tax-exempt in September 2025.
- What is Simpson Cancer Society's EIN?
- Simpson Cancer Society's Employer Identification Number (EIN) is 39-3830050. The EIN was assigned by the IRS in September 2025. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does Simpson Cancer Society do?
- Simpson Cancer Society is registered with the IRS as a diseases & disorders nonprofit organisation. A detailed mission statement is not available on its most recent Form 990 filing.
- Where is Simpson Cancer Society located?
- Simpson Cancer Society is located at 2220 Winchester BLVD, Campbell, CA, 95008-3474.
- When was Simpson Cancer Society founded or recognised by the IRS?
- Simpson Cancer Society was recognised by the IRS as a tax-exempt organisation in September 2025. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
