Charities United States Health Mayo Clinic
MA

Mayo Clinic

OPERATION OF A MULTI-SPECIALTY OUTPATIENT CLINIC.

Mayo Clinic Jacksonville

Health Rochester, MN EIN 593337028 · IRS Sign up to see website
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Visit www.mayoclinic.org
49
Integrity Assessment
Partial transparency
49/100 · methodology

About Mayo Clinic

Mayo Clinic is a health organization based in ROCHESTER, United States. EIN: 593337028.

Headquarters
Rochester, MN
Foundation type
Publicly-supported charity (509(a)(2))
NTEE code
E21
IRS subsection
501(c)(c3)
Ruling date

Mission

Operation of a multi-specialty outpatient clinic.

Focus areas & reach

· What they work on and where
❤️ Health · NTEE E21
Cause tags

How it stacks up against peers

· vs. 8 similar health in United States
CEO comp as % of revenue This charity: 1.78%
Peer average: 0.48%
Integrity Assessment This charity: 49
Peer average: 93

Red flags

· 1 item
Stale Filings
Most recent filing is from 2013, which is 13 years ago.

Common questions

· Auto-generated from filings + methodology

Mayo Clinic is a registered health nonprofit based in Rochester, MN, United States. It is registered with the Internal Revenue Service (IRS). Its EIN is 593337028. It has a GiveRadar Integrity Assessment of 49/100 (Partial transparency), indicating some public data is available but key signals are missing. This is below the average of 93/100 for health charities in United States. The organization reports $658M in annual revenue. GiveRadar has identified 1 potential concern.

Mayo Clinic has a GiveRadar Integrity Assessment of 49/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 49 ('Partial transparency') means some public data is on file but key signals are missing - worth a closer look before donating. For comparison, the average integrity assessment for health charities in United States is 93/100.

Mayo Clinic is located in Rochester, MN, United States.

Based on official tax filings, Mayo Clinic has $658M in annual revenue. Its revenue is significantly above the peer average of $38M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Mayo Clinic is classified as a Health organization, registered in United States. It operates as a Publicly-supported charity (509(a)(2)). It has $658M in annual revenue.

GiveRadar has identified 1 potential concern for Mayo Clinic. Red flags are automatically detected from official data and may include high executive compensation relative to budget, low program spending, or missing financial filings. Red flags do not necessarily mean wrongdoing but indicate areas that may warrant further review before donating.

Mayo Clinic has a GiveRadar Integrity Assessment of 49/100. We recommend reviewing the full profile before making a donation decision. The organization is overseen by the IRS. Visit the Mayo Clinic profile on GiveRadar for full details before deciding. GiveRadar provides data for research purposes and does not endorse any organization. Always do your own due diligence.

Mayo Clinic is a health organization based in ROCHESTER, United States. EIN: 593337028. Mayo Clinic is classified as a health organization registered in United States.

Among health charities registered in United States: Mayo Clinic's GiveRadar Integrity Assessment of 49/100 is below the peer average of 93/100. Its annual revenue of $658M is well above the peer average of $38M.

Yes, donations to Mayo Clinic are generally tax-deductible in the United States. Its EIN is 593337028, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.

Verified against 5 official sources, last refreshed .

Annual revenue
$100M-$1B
Source: IRS/ProPublica (FY2013) why this matters
Unlock exact figures

Filing history

3 years on file from IRS/ProPublica (FY2013): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2013, FY2012, FY2011.
Financial details are free - with a GiveRadar account

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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Leadership

JA
James J Janssen Jr
Tax Director

Latest news

From global news sources

10 articles found

From global news sources

Sentiment

Neutral

Gillette's Hoskinson Clinic, Set To Close Next Month, Says It May Have Buyer - Cowboy State Daily

cowboystatedaily.com · · Neutral

Mayo Clinic maps hidden biology of common brain tumors - The Union Democrat

www.uniondemocrat.com · · Neutral

CellxLife Licenses Mayo Clinic FRα-Targeting Dendritic Cell Vaccine for Ovarian Cancer - BioPharm International

www.biopharminternational.com · · Neutral

The power of prayer in primary care; Mayo Clinic, Microsoft and medicine; moving data from routinely collected to scientific breakthrough — Morning Medical Update - Medical Economics

www.medicaleconomics.com · · Positive

Vendor Serving Mayo Clinic & Other Hospitals Reports Patient Data Breach - KROC-AM

krocnews.com · · Neutral

Olmsted County Judge Upholds First-Degree Murder Indictment in Mayo Clinic Dr. Murder Case - KROC-AM

krocnews.com · · Neutral

HFMA bestows highest achievement award on Mayo Clinic’s CFO Dennis Dahlen - Florida Hospital News and Healthcare Report

southfloridahospitalnews.com · · Positive

Providers are leaning into AI to control surgical supply spending - Modern Healthcare

www.modernhealthcare.com · · Neutral

Three motions denied in case for former Mayo Clinic doctor charged with wife’s murder - kaaltv.com

www.kaaltv.com · · Neutral

Mayo Clinic seeks Scottsdale rezoning for housing development - ABC15 Arizona

www.abc15.com · · Neutral

Activity timeline

Filings and press mentions, merged

Gillette's Hoskinson Clinic, Set To Close Next Month, Says It May Have Buyer - Cowboy State Daily
Jun 2026
cowboystatedaily.com
Mayo Clinic maps hidden biology of common brain tumors - The Union Democrat
Jun 2026
www.uniondemocrat.com
CellxLife Licenses Mayo Clinic FRα-Targeting Dendritic Cell Vaccine for Ovarian Cancer - BioPharm International
Jun 2026
www.biopharminternational.com
The power of prayer in primary care; Mayo Clinic, Microsoft and medicine; moving data from routinely collected to scient
Jun 2026
www.medicaleconomics.com
Vendor Serving Mayo Clinic & Other Hospitals Reports Patient Data Breach - KROC-AM
Jun 2026
krocnews.com
Olmsted County Judge Upholds First-Degree Murder Indictment in Mayo Clinic Dr. Murder Case - KROC-AM
Jun 2026
krocnews.com
HFMA bestows highest achievement award on Mayo Clinic’s CFO Dennis Dahlen - Florida Hospital News and Healthcare Report
Jun 2026
southfloridahospitalnews.com
Providers are leaning into AI to control surgical supply spending - Modern Healthcare
Jun 2026
www.modernhealthcare.com
Three motions denied in case for former Mayo Clinic doctor charged with wife’s murder - kaaltv.com
Jun 2026
www.kaaltv.com
Mayo Clinic seeks Scottsdale rezoning for housing development - ABC15 Arizona
Jun 2026
www.abc15.com
Form filed
$657.5M revenue
FY2013
IRS/ProPublica
Form filed
$616.7M revenue
FY2012
IRS/ProPublica
Form filed
$621.2M revenue
FY2011
IRS/ProPublica

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Peer charities

Other health in United States, by integrity assessment

Charity Score Revenue Program %
Mayo Clinic This page 49 $657.5 million -
Community Blood Bank of Erie County 93 $8.1 million 81%
Good Shepherd Manor Inc 93 $12.5 million 95%
Health and Social Services Consortium Inc 93 $24.4 million 93%
Center for Pranic Healing Inc 93 $1.8 million 95%
Rheumatology Research Foundation 93 $19.8 million 85%
Legacy Salmon Creek Hospital 93 $655.8 million 82%
Brain Injury Services Inc 93 $3.9 million 89%
United Medical Centers 93 $38.9 million 81%

Sources and verification

Refreshed

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2013 most recent on file.
News and media coverage
GDELT Project + Google News
Supplementary verification
ProPublica Nonprofit Explorer
Supplementary verification
Charity Navigator

Data freshness

Last updated
May 2, 2026
Profile completeness
90%

What we don't know

Honest gaps - our score reflects transparency, not impact

Programs & projects
No named programs listed by the charity
Operating reach
Countries where programs run not specified
Founding date
Year the organisation was founded not on file

Methodology

GiveRadar combines public registry filings, ProPublica Nonprofit Explorer, Charity Navigator, GuideStar, and news archives into a single 0-100 integrity assessment. We don't take a cut of any donation, ever.

Read full methodology

Quick facts about Mayo Clinic

What is Mayo Clinic?
Mayo Clinic is a health publicly-supported charity (509(a)(2)) based in Rochester, United States. Mayo Clinic is a health organization based in ROCHESTER, United States. EIN: 593337028.
Who leads Mayo Clinic?
James J Janssen Jr serves as Tax Director.
Where is Mayo Clinic located?
Headquartered in Rochester, MN, United States.
What is Mayo Clinic's annual budget?
Annual revenue for fiscal year 2013 is approximately $100M-$1B.
Is Mayo Clinic trustworthy?
Mayo Clinic has a GiveRadar Integrity Assessment of 49 out of 100 (Partial transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Mayo Clinic's registration number?
IRS EIN: 593337028.
What is Mayo Clinic's website?
https://www.mayoclinic.org