- Is The Thyroid Foundation a tax-exempt 501(c)(3)?
- Yes — The Thyroid Foundation is recognised by the IRS as a 501(c)(3) organisation (EIN 39-4507234). The IRS recognised The Thyroid Foundation as tax-exempt in January 2026.
- What is The Thyroid Foundation's EIN?
- The Thyroid Foundation's Employer Identification Number (EIN) is 39-4507234. The EIN was assigned by the IRS in January 2026. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does The Thyroid Foundation do?
- The Thyroid Foundation is registered with the IRS as a medical research nonprofit organisation. A detailed mission statement is not available on its most recent Form 990 filing.
- Where is The Thyroid Foundation located?
- The Thyroid Foundation is located at 875 Lowcountry BLVD STE 100, MT Pleasant, SC, 29464-5452.
- When was The Thyroid Foundation founded or recognised by the IRS?
- The Thyroid Foundation was recognised by the IRS as a tax-exempt organisation in January 2026. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
