Question 1

Is The Wistar Institute of Anatomy and Biology a tax-exempt 501(c)(3)?

Accepted Answer

Yes — The Wistar Institute of Anatomy and Biology is recognised by the IRS as a 501(c)(3) organisation (EIN 23-6434390). The IRS recognised The Wistar Institute of Anatomy and Biology as tax-exempt in November 1946.

Question 2

What is The Wistar Institute of Anatomy and Biology's EIN?

Accepted Answer

The Wistar Institute of Anatomy and Biology's Employer Identification Number (EIN) is 23-6434390. The EIN was assigned by the IRS in November 1946. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does The Wistar Institute of Anatomy and Biology do?

Accepted Answer

Biomedical research with special expertise in cancer research and vaccine development (immunology).

Question 4

Where is The Wistar Institute of Anatomy and Biology located?

Accepted Answer

The Wistar Institute of Anatomy and Biology is located at 3601 Spruce Street, Philadelphia, PA, 19104.

Question 5

When was The Wistar Institute of Anatomy and Biology founded or recognised by the IRS?

Accepted Answer

The Wistar Institute of Anatomy and Biology was recognised by the IRS as a tax-exempt organisation in November 1946. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is The Wistar Institute of Anatomy and Biology's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2025), The Wistar Institute of Anatomy and Biology reported $77.3M in total revenue and $89.9M in total expenses.

Question 7

Has The Wistar Institute of Anatomy and Biology been auto-revoked by the IRS?

Accepted Answer

No — The Wistar Institute of Anatomy and Biology (EIN 23-6434390) 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 The Wistar Institute of Anatomy and Biology listed in IRS Publication 78?

Accepted Answer

Yes — The Wistar Institute of Anatomy and Biology 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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The Wistar Institute of Anatomy and Biology

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