Question 1

Is Castleman Disease Collaborative Network a tax-exempt 501(c)(3)?

Accepted Answer

Yes — Castleman Disease Collaborative Network is recognised by the IRS as a 501(c)(3) organisation (EIN 37-1510354). The IRS recognised Castleman Disease Collaborative Network as tax-exempt in August 2007.

Question 2

What is Castleman Disease Collaborative Network's EIN?

Accepted Answer

Castleman Disease Collaborative Network's Employer Identification Number (EIN) is 37-1510354. The EIN was assigned by the IRS in August 2007. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Castleman Disease Collaborative Network do?

Accepted Answer

To develop awareness of Castleman's Disease and to raise money to fund education and laboratory research to determine cause, treatment and ultimate cure.

Question 4

Where is Castleman Disease Collaborative Network located?

Accepted Answer

Castleman Disease Collaborative Network is located at PO BOX 3614, Paso Robles, CA, 93447.

Question 5

When was Castleman Disease Collaborative Network founded or recognised by the IRS?

Accepted Answer

Castleman Disease Collaborative Network was recognised by the IRS as a tax-exempt organisation in August 2007. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Castleman Disease Collaborative Network's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2024), Castleman Disease Collaborative Network reported $979K in total revenue and $961K in total expenses.

Question 7

Has Castleman Disease Collaborative Network been auto-revoked by the IRS?

Accepted Answer

No — Castleman Disease Collaborative Network (EIN 37-1510354) 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 Castleman Disease Collaborative Network listed in IRS Publication 78?

Accepted Answer

Yes — Castleman Disease Collaborative Network 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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Castleman Disease Collaborative Network

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