OrgHunter Charity Profile

THE MARFAN FOUNDATION INC

EIN: 521265361

PRT WASHINGTN, NY 11050-2023 USA

Information on this page reflects the most recent data available from the IRS and OrgHunter’s charity intelligence platform. Use it to understand eligibility, classification, and financial details before giving or integrating this charity into your applications.

Make a Grant

Map View

Open this organization’s location in your preferred map provider.

Organization Staff

Connect with staff members listed below if provided.

Cameron Woodworth

Organization at a Glance

A quick snapshot of key IRS, classification, and financial details for this charity.

IRS Status
Contributions are deductible.
Overall exemption / public charity indication.
Latest Form 990
June, 2025
Most recent tax period on file.
Income Range
10,000,000 to 49,999,999
Approximate annual revenue.
Primary NTEE
High-level cause / program area.

Try our new “Make My Donation” GPT

Ask questions, vet charities, and get guided giving support—powered by OrgHunter data and Make My Donation.

  • Find and compare charities by name, cause, or location
  • Validate basic eligibility and IRS status context
  • Jump to a secure donation page when available
Open Make My Donation GPT Try this charity in the GPT Learn more
Quick prompt idea
“Is this charity in good standing and what do they do?”
You can paste the charity name or EIN and the GPT will guide the next step.

The Marfan Foundation Inc — IRS Status Overview

The Marfan Foundation Inc is headquartered in Prt Washingtn, NY, and is a 501(c)(3) organization. EIN: 521265361. Donations are tax-deductible. The IRS NTEE classification code is , within the category. The IRS ruling year for tax exemption was November, 1982.

This summary reflects how the IRS currently views this organization’s tax-exempt and public charity status. Donors and platforms should factor this into eligibility checks and compliance workflows.

Mission Statement

We work tirelessly to advance research, serve as a resource for families and healthcare providers, and raise public awareness about Marfan syndrome and related disorders.

Mission statements are typically provided by the organization or sourced from public filings and are useful for understanding the focus and impact of the charity.

DEDUCTIBILITY & EXEMPTION

Deductibility
Contributions are deductible.

Indicates whether contributions to this organization are deductible for U.S. federal income tax purposes.

Deductibility Status
PC
Exemption
501(c)(3)
Organization Type
Corporation
Exempt Status
Unconditional Exemption
Ruling Date
November, 1982

Date the IRS recognized or last ruled on this organization’s exempt status.

CLASSIFICATION, AFFILIATION & ACTIVITIES

IRS Classification
Charitable Organization, Educational Organization
NTEE Code
NTEE Classification
NTEE Type
Affiliation
Independent - This code is used if the organization is an independent organization or an independent auxiliary (i.e., not affiliated with a National, Regional, or Geographic grouping of organizations).
Foundation Status
Organization which receives a substantial part of its support from a governmental unit or the general public 170(b)(1)(A)(vi)
Activities
Discussion groups, forums, panels lectures, etc.
Study and research (non-scientific)

FINANCIAL DATA

Latest Form 990 filed
June, 2025

Tax period for the most recent Form 990 used for the financial data below.

Fiscal Year End
June
Income Range in dollars
10,000,000 to 49,999,999
Income Amount
12512714.00
Asset Range in dollars
10,000,000 to 49,999,999
Asset Amount
12512714.00
Form 990 Amount
7780692.00

FILING REQUIREMENTS

Filing Requirements
(all other) or 990EZ return
Filing
No PF return

Information Provided by the Charity

When available, the information below is supplied directly by the organization and may include contact details or additional address information beyond IRS filings.

Pending

This organization has not yet provided additional contact information to OrgHunter. Charities can update their information by using the claim process above.

OrgHunter logo

About OrgHunter

OrgHunter's Charity API is the infrastructure layer behind this profile. It powers search, vetting, and real-time status checks for over 2.5 million U.S. charities and tens of thousands of Canadian organizations.

Thousands of platforms — from fintech and loyalty programs to memorial donation sites and corporate giving portals — rely on our data to ensure donations go to eligible, compliant organizations.

By combining IRS data, OrgHunter enrichment, and our partnership with Make My Donation, Inc., we help donors, businesses, and developers support charities with confidence.

Free Fundraising Widget

OrgHunter's Charity Widget offers an immediate, high-quality solution for businesses and organizations that want to raise money for this and other vetted charities. In just minutes, you can embed a secure fundraising experience that connects your audience to over 2.5 million U.S. charities and 87,000 Canadian charities.

Add 2.5 million charities to your website in minutes.

Free Fundraising Website Plugin

Application Developers & Partners

The data powering this profile is available through the Charity Premium API . Below is an example of the JSON payload for this organization. 

{"code":"200","msg":"OK, all went through!","data":[{"ein":"521265361","ein_hash":"521265361-408b9d93bcb0a3ae28ab487c1b67eac4e8d2179a","charityName":"THE MARFAN FOUNDATION INC","url":"http:\/\/www.orghunter.com\/organization\/521265361","donationUrl":"http:\/\/donate.makemydonation.org\/donate\/521265361","city":"PRT WASHINGTN","state":"New York","zipCode":"11050-2023","start":0,"rows":20,"recordCount":1,"score":1,"acceptingDonations":1,"category":"Unknown","eligibleCd":1,"deductibilityCd":1,"statusCd":1,"website":"www.marfan.org","missionStatement":"We work tirelessly to advance research, serve as a resource for families and healthcare providers, and raise public awareness about Marfan syndrome and related disorders.","parent_ein":1,"latitude":"40.839268","longitude":"-73.707443"}]}
customize