The Marfan Foundation Inc
501(c)(3) Donations tax-deductible
Only null% goes to programs Strong reserves Declining revenue
The Marfan Foundation Inc is a 501(c)(3) organization based in Prt Washingtn, New York, registered in 1982, with $7,780,692 in FY2024 revenue. CharityIndex grades it B.
22 Manhasset Ave, Prt Washingtn, NY, 11050 EIN 52-1265361 Since 1982
Revenue (FY2024)
$7.8M
▲ 41.8% vs prior year
Expenses (FY2024)
$7.6M
Net assets
$16.9M
Employees
—
CharityIndex rating
One independent A+ to F grade from four published criteria, each scored separately from IRS filings and combined by weight.
B
★★★★
Rated on 2 of 4 criteria — the rest aren't reported in this filing type.
Held down by its weakest criterion — a strong score on one criterion can't hide a weak one.
How the rating works →—Program efficiency40% of the ratingNo expense breakdown in filings
Measures how much of every dollar spent actually reaches programs, plus what it costs to raise $100 of donations. The worse of the two measures sets the letter (85%+ to programs is an A; under $15 to raise $100 is an A), averaged over the three most recent filings. Not scored for The Marfan Foundation Inc— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
AFinancial health25% of the rating27 mo reserves · +3% margin
Measures whether the organization is built to last: how many months its reserves would cover expenses (3+ months earns an A-range score, but hoarding 5+ years of budget is capped) and whether it runs a surplus or a deficit. For The Marfan Foundation Inc: 27 mo reserves · +3% margin earns a A on this criterion. See the exact thresholds →
—Governance25% of the ratingNot reported in this filing type
Checks how the organization is run, from its own Form 990: an independent board majority, a board of five or more, conflict-of-interest, whistleblower and document-retention policies, and independently audited financials. The share of disclosed checks that pass sets the letter. Not scored for The Marfan Foundation Inc— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
CTransparency10% of the rating2 of 5 disclosure signals
Counts five disclosure signals: a recent filing, a mission statement, program descriptions, a listed website, and the full expense breakdown. More disclosure, better letter. For The Marfan Foundation Inc: 2 of 5 disclosure signals earns a C on this criterion. See the exact thresholds →
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Contact & location
- Address
- 22 Manhasset Ave, Prt Washingtn, NY, 11050
- City
- Prt Washingtn
- State
- New York
- Category
- —
- Subcategory
- —
- Website
- …
Financial trends
Revenue grew from $3.0M (FY2013) to $7.8M (FY2024) across 12 reported years.
Financial snapshot
Financial health & position (FY2024)
Liabilities $2.7MNet assets $16.9M
Operating margin
2.8%
Revenue exceeded expenses in the latest fiscal year.
Total assets
$19.5M
Total liabilities
$2.7M
Net assets
$16.9M
Financials by year
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2024 | $7,780,692▲41.8% | $7,566,004▲13.8% | $16,875,090▲3.8% | $19,547,558▲7.9% | 990 |
| 2023 | $5,486,020▼33.1% | $6,646,776▼1.7% | $16,257,554▼3.5% | $18,118,070▼2.4% | 990 |
| 2022 | $8,195,380▼16.5% | $6,758,497▲43.6% | $16,843,496▲11.6% | $18,561,612▲11.8% | 990 |
| 2021 | $9,814,628▲100% | $4,705,271▼3.8% | $15,092,148▲39.9% | $16,600,923▲33.2% | 990 |
| 2020 | $4,898,166▲25.9% | $4,891,164▼20.7% | $10,791,051▲18.7% | $12,467,539▲11.8% | 990 |
| 2019 | $3,889,456▼17.3% | $6,171,617▲12.9% | $9,088,443▼21.6% | $11,146,771▼7.7% | 990 |
| 2018 | $4,704,278▲8.1% | $5,465,717▲1.7% | $11,592,109▼5.1% | $12,076,553▼4.4% | 990 |
| 2017 | $4,353,700▼47.7% | $5,374,588▲20.4% | $12,217,706▼6.4% | $12,637,785▼6.2% | 990 |
| 2016 | $8,321,203▲136% | $4,465,668▼3.8% | $13,051,495▲45.0% | $13,466,909▲44.6% | 990 |
| 2015 | $3,519,660▼0.8% | $4,644,297▲4.6% | $9,000,490▼11.1% | $9,314,476▼12.2% | 990 |
| 2014 | $3,548,689▲16.4% | $4,438,348▲9.9% | $10,120,115▼8.0% | $10,608,212▼8.0% | 990 |
| 2013 | $3,048,384 | $4,036,732▲5.1% | $10,998,316▼7.9% | $11,524,820▼7.8% | 990 |
| 2012 | — | $3,841,998▼4.0% | $11,937,177▼8.1% | $12,493,339▼6.8% | 990 |
| 2011 | — | $4,000,939▲11.6% | $12,983,676▲38.1% | $13,407,551▲36.0% | 990 |
| 2010 | — | $3,586,355 | $9,403,877 | $9,856,282 | 990 |
Original Form 990 PDFs (the Form column) are served by ProPublica Nonprofit Explorer, as filed with the IRS. Create a free account to download the CSV report.
Grants received · $12.7M total
122 grants to The Marfan Foundation Inc totaling $12.7M, reported by foundations on their Schedule I filings — showing the 15 most recent.
| Grantmaker | Purpose | Year | Amount |
|---|---|---|---|
| Jewish Communal Fund | In furtherance of grantee's tax-exempt purpose | 2024 | $985,000 |
| National Christian Charitable Foundation | Medical research | 2024 | $369,650 |
| American Online Giving Foundation Inc | General support | 2024 | $63,625 |
| Paypal Charitable Giving Fund | General support | 2024 | $42,661 |
| The Us Charitable Gift Trust | For recipient's exempt purpose | 2024 | $26,000 |
| Charities Aid Foundation America | Charitable donation | 2024 | $24,600 |
| The Cleveland Clinic Foundation | Community support | 2024 | $15,000 |
| Cleveland Clinic Foundation | Community support | 2024 | $15,000 |
| New Hampshire Charitable Foundation | For research | 2024 | $10,000 |
| Bjc Health System | Support others with kidney disease, improving the health & well-being of those affected. | 2024 | $7,500 |
| Morgan Stanley Global Impact Funding Trust Inc | Unrestricted general support | 2024 | $5,000 |
| Jewish Communal Fund | In furtherance of grantee's tax-exempt purpose | 2023 | $975,000 |
| Fidelity Investments Charitable Gift Fund | For grant recipient's exempt purposes | 2023 | $205,618 |
| Donor Advised Charitable Giving | Public, societal benefit | 2023 | $186,876 |
| American Online Giving Foundation Inc | General support | 2023 | $78,282 |
Frequently asked questions
- Is The Marfan Foundation Inc a legitimate nonprofit?
- Yes. The Marfan Foundation Inc is a 501(c)(3) organization registered with the U.S. Internal Revenue Service under EIN 52-1265361, based in Prt Washingtn, New York. Donations are tax-deductible.
- What is The Marfan Foundation Inc's EIN?
- The Marfan Foundation Inc's Employer Identification Number (EIN) is 52-1265361.
- How much revenue does The Marfan Foundation Inc report?
- The Marfan Foundation Inc reported $7,780,692 in total revenue on its fiscal year 2024 IRS Form 990 filing.
- What financial grade does The Marfan Foundation Inc have?
- CharityIndex grades The Marfan Foundation Inc B, based on financial health (reserves and operating margin).
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Data for The Marfan Foundation Inc (EIN 52-1265361) comes from the IRS Business Master File and e-filed Form 990 returns, via CharityIndex. Figures reflect what the organization reported to the IRS for each fiscal year.