Mayo Clinic Group Return
Public records show a registered, tax-exempt organization in good standing.
What it says it does
TO INSPIRE HOPE AND CONTRIBUTE TO HEALTH AND WELL-BEING BY PROVIDING THE BEST CARE TO EVERY PATIENT THROUGH INTEGRATED CLINICAL PRACTICE, EDUCATION, AND RESEARCH.
- Income
- $14.9 billion
- Spending
- $14.3 billion
- Spent on programs
- 85%
- Reserves
- 1.9 months of spending
- Largest source of income
- fees for its services, 93%
- Employees
- 65,470
- Volunteers
- 3,122
- Highest pay
- $4.9 million, director/ceo/president
Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Financial health
Fair: 60 out of 100. Higher than 46% of charities in its peer group (health care, over $100m).
Reserves
10 of 35Spendable reserves would cover 1.9 months of spending.
Debt
5 of 20It owes 51% of what it owns.
Living within its means
15 of 15Income exceeded spending by 4% of income.
Income trend
15 of 15Income rose 7% on the year before.
Spending floor
15 of 1585% of spending went to programs and raising each dollar of donations cost 0 cents.
Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Governance
Good: 75 out of 100. Higher than 7% of charities in its peer group (health care, over $100m).
Independent board
5 of 2547 of 186 voting board members are independent.
Conflict of interest policy
15 of 15Has a written conflict of interest policy.
Whistleblower policy
8 of 8Has a written whistleblower policy.
Record keeping policy
7 of 7Has a written policy on keeping and destroying records.
Board minutes
5 of 5Keeps minutes of board meetings.
Board sees the tax return
10 of 10Gave the board a copy of this return before filing it.
Pay set independently
0 of 5Reports no independent review process for its chief executive's pay.
Independent check of accounts
15 of 15Its accounts were audited by an independent accountant.
No reported misuse
10 of 10Reports no diversion of assets, excess benefits or loans to insiders.
Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Impact evidence
Reports results. Its tax return states measurable results. These are its own figures and nobody has checked them.
Results it reports
- The hospital subordinates had 4,174 licensed beds at year-end.Work delivered
- Housing for the elderly was provided through 4 facilities offering independent living, assisted living and/or long-term care.Work delivered
Read from the return by an AI model and shown only where the wording was found in the return. These are the charity's own figures.
Programs described in its return (4)
- $11.5 billion spent. PATIENT CARE (SEE SCHEDULE O)PATIENT CAREMAYO CLINIC, AS AN AFFILIATED GROUP OF HEALTHCARE ENTITIES, IS AN INTEGRATED, NOT-FOR-PROFIT GROUP PRACTICE AND HAS SITES IN ROCHESTER, MINNESOTA; SCOTTSDALE/PHOENIX, ARIZONA; JACKSONVILLE, FLORIDA AND ALSO SERVES APPROXIMATELY 40 COMMUNITIES IN THE UPPER MIDWEST THROUGH THE MAYO CLINIC HEALTH SYSTEM. MAYO CLINIC IS DRIVEN BY ITS MISSION OF PROVIDING THE BEST PATIENT CARE TO EVERY PATIENT, EVERY DAY THROUGH INTEGRATED CLINICAL PRACTICE, EDUCATION, AND RESEARCH. DOCTORS FROM EVERY MEDICAL SPECIALTY WORK TOGETHER TO CARE FOR PATIENTS AND ARE JOINED BY COMMON SYSTEMS AND A PHILOSOPHY THAT THE NEEDS OF THE PATIENT COME FIRST. THERE ARE 17 SUBORDINATE ORGANIZATIONS FROM THE MAYO CLINIC AFFILIATED GROUP THAT ARE PART OF THIS GROUP RETURN. OPERATIONS INCLUDE 21 HOSPITAL FACILITIES (19 LICENSED HOSPITALS), NUMEROUS CLINICAL FACILITIES, 1 NURSING HOME, 3 ELDERLY/ASSISTED LIVING FACILITIES AND 7 CHEMICAL DEPENDENCY TREATMENT CENTERS, AN AMBULANCE SERVICE ORGANIZATION, 1 FOUNDATION-TYPE ORGANIZATION AND 1 ORGANIZATION THAT PROVIDES SUPPORT SERVICES (SHARED SERVICES) TO MAYO CLINIC, ITS AFFILIATES AND PATIENTS.GEOGRAPHICALLY, THE SUBORDINATES ARE LOCATED IN PHOENIX/SCOTTSDALE, ARIZONA; JACKSONVILLE, FLORIDA; SOUTHERN MINNESOTA; AND WESTERN WISCONSIN. FOR PURPOSES OF THIS STATEMENT, PATIENT CARE ENCOMPASSES PATIENT SERVICES (HOSPITALS, CLINICS & AMBULANCES), HOUSING FOR THE ELDERLY (NURSING HOMES & ELDERLY HOUSING FACILITIES) AND THE SALE OF MEDICAL PRODUCTS AND HEALTH INFORMATION. ON AN AGGREGATE BASIS, THE HOSPITAL SUBORDINATES HAD 4,174 LICENSED BEDS AT YEAR-END. FOR THE SUBORDINATE HOSPITAL AND CLINICAL PRACTICES, THE ANNUAL PATIENT COUNT (A DISTINCT COUNT OF THE MEDICAL RECORD NUMBERS THAT RECEIVED BILLABLE MEDICAL SERVICES) IN 2024 EXCEEDED ONE MILLION PATIENTS. IN ADDITION, HOUSING FOR THE ELDERLY IS PROVIDED THROUGH THE OPERATION OF 4 FACILITIES THAT PROVIDE INDEPENDENT LIVING, ASSISTED LIVING AND/OR LONG-TERM CARE. THE SUBORDINATES PROVIDE CARE TO PERSONS COVERED BY GOVERNMENTAL PROGRAMS. SERVICES ARE PROVIDED TO BOTH MEDICARE AND MEDICAID PATIENTS AT SUBSTANTIAL DISCOUNTS FROM STANDARD FEES. FINANCIAL ASSISTANCE IS ALSO PROVIDED FOR PATIENTS THAT ARE FINANCIALLY UNABLE TO PAY FOR SERVICES PROVIDED. FOR 2024, THE AGGREGATE COST OF UNCOMPENSATED CARE PROVIDED TO LOW INCOME PATIENTS THROUGH MEDICAID WAS APPROXIMATELY $317,559,178. THE AGGREGATE COST OF UNCOMPENSATED CARE PROVIDED TO PATIENTS THROUGH MEDICARE WAS APPROXIMATELY $1,323,794,016. FINANCIAL ASSISTANCE (AT COST) PROVIDED TO PATIENTS IN 2024 ON A COMBINED BASIS WAS APPROXIMATELY $87,322,825.THE SUBORDINATES RECEIVED DONATED SERVICES FROM APPROXIMATELY 3,122 COMMUNITY VOLUNTEERS, WHO PROVIDED APPROXIMATELY 262,450 HOURS OF SERVICE IN 2024, VALUED AT APPROXIMATELY $9,130,638 BASED ON THE INDEPENDENT SECTOR'S AVERAGE ESTIMATED HOURLY VALUE OF SUCH SERVICES.
- $324.0 million spent. MEDICAL RESEARCH (SEE SCHEDULE O)MEDICAL RESEARCHMAYO CLINIC, AS AN AFFILIATED GROUP, CONDUCTS BASIC, TRANSLATIONAL, CLINICAL, AND EPIDEMIOLOGICAL RESEARCH AT ITS CAMPUSES IN MINNESOTA, ARIZONA, AND FLORIDA AND THROUGHOUT THE MAYO CLINIC HEALTH SYSTEM. THE NEEDS OF THE PATIENTS IS WHAT DRIVES RESEARCH AT MAYO CLINIC. AS DOCTORS TREAT PATIENTS AND SEE OPPORTUNITIES FOR ADVANCING PATIENT CARE, THEY WORK TOGETHER WITH MAYO SCIENTISTS AND RESEARCH TEAMS TO DEVELOP NEW AND IMPROVED DIAGNOSTIC TOOLS, MEDICATIONS, DEVICES, TREATMENT PROTOCOLS AND MORE.MAYO CLINIC'S UNIQUE CULTURE OF COLLABORATION AND TEAMWORK, AND ITS EXTENSIVE FACILITIES AND RESOURCES, MAKE IT POSSIBLE FOR RESEARCHERS TO UNRAVEL AND SOLVE COMPLEX RESEARCH QUESTIONS. ANSWERING THESE QUESTIONS REQUIRES A TEAM OF PHYSICIANS WHO CARE FOR PATIENTS WITH A DISEASE, BASIC SCIENTISTS WHO INVESTIGATE THE CONDITION'S MOLECULAR BASIS AND EPIDEMIOLOGISTS WHO STUDY ITS EFFECT ON POPULATIONS. THIS CLOSE INTEGRATION MAKES IT POSSIBLE TO QUICKLY BRING PROVEN DIAGNOSTICS AND THERAPEUTICS TO PATIENTS AND SHARE THIS KNOWLEDGE WITH THE NEXT GENERATION OF DOCTORS AND SCIENTISTS.THE RESEARCH ACTIVITIES CONDUCTED BY THE SUBORDINATES ARE CONDUCTED AT THE ARIZONA AND FLORIDA LOCATIONS AND AT SEVERAL OF THE HEALTH SYSTEM SITES IN MINNESOTA AND WISCONSIN. RESEARCH IS CONCENTRATED IN THE AREAS OF CANCER, METABOLISM, NEUROSCIENCES, NEURODEGENERATIVE DISEASES, CARDIOVASCULAR DISEASES AND GI DISORDERS/TRANSPLANTATION.
- $196.3 million spent. SHARED SERVICES (SEE SCHEDULE O)SHARED SERVICESAS PART OF ITS EXEMPT FUNCTION, ONE OF THE SUBORDINATE ORGANIZATIONS (MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH) FACILITATES EFFORTS AND SHARED SERVICES ON BEHALF OF AND FOR THE BENEFIT OF MAYO CLINIC AND ITS AFFILIATES. CERTAIN SERVICES ARE CENTRALIZED WITHIN THE SUBORDINATE ORGANIZATION AND INCLUDE FINANCE, HUMAN RESOURCES, LEGAL, PUBLIC AFFAIRS, SUPPLY CHAIN, INFORMATION TECHNOLOGY AND VARIOUS OTHER SERVICES. CERTAIN COSTS RELATED TO PROVIDING THESE SHARED SERVICES ARE ALLOCATED OUT OR CHARGED TO THE AFFILIATES. FACILITATING THESE EFFORTS AND SERVICES ALLOWS MAYO CLINIC AND ITS AFFILIATES TO BETTER CONDUCT THEIR EXEMPT FUNCTIONS BY REDUCING COSTS, HAVING STANDARDIZED PRACTICES AND PROCEDURES, AND CREATING ECONOMIES OF SCALE.
- $197.1 million spent. HEALTH PROFESSIONAL EDUCATIONMAYO CLINIC'S INVESTMENTS IN EDUCATION INFORM AND EMPOWER PHYSICIANS, RESEARCHERS, MEDICAL PROFESSIONALS, PATIENTS, STUDENTS, AND COMMUNITIES TO IMPROVE PUBLIC HEALTH AND WELL-BEING, ALONG WITH PREPARING THE NEXT GENERATION OF HEALTH CARE PROFESSIONALS TO PROVIDE OUTSTANDING, COMPASSIONATE CARE TO PATIENTS WORLDWIDE. THE EDUCATIONAL ACTIVITIES OF MAYO CLINIC ARE CENTERED IN THE MAYO CLINIC COLLEGE OF MEDICINE AND SCIENCE WHICH CONSISTS OF FIVE SCHOOLS:- MAYO CLINIC ALIX SCHOOL OF MEDICINE- MAYO CLINIC SCHOOL OF GRADUATE MEDICAL EDUCATION- MAYO CLINIC GRADUATE SCHOOL OF BIOMEDICAL SCIENCES- MAYO CLINIC SCHOOL OF HEALTH SCIENCES- MAYO CLINIC SCHOOL OF CONTINUOUS PROFESSIONAL DEVELOPMENTMAYO CLINIC, AS AN AFFILIATED GROUP, OFFERS EDUCATIONAL PROGRAMS AND TRAINING OPPORTUNITIES ON ITS CAMPUSES IN ROCHESTER, MINNESOTA; SCOTTSDALE/PHOENIX, ARIZONA; AND JACKSONVILLE, FLORIDA AND SEVERAL OF THE HEALTH SYSTEM SITES IN MINNESOTA AND WISCONSIN. IN AFFILIATION WITH THE MAYO CLINIC COLLEGE OF MEDICINE, THE SUBORDINATES OFFER PHYSICIAN RESIDENCY PROGRAMS AND FELLOWSHIPS IN MANY MEDICAL AND SURGICAL SPECIALTIES, TRAINING PROGRAMS FOR ALLIED HEALTH PERSONNEL AND ON-GOING EDUCATION FOR PHYSICIANS AND OTHER HEALTH CARE PROFESSIONALS.MANY OF THE STUDENTS EDUCATED THROUGH THE MAYO CLINIC COLLEGE OF MEDICINE TO SUSTAIN MAYO'S UNIQUE STYLE OF CARE AND PREPARE THE NEXT GENERATION OF CAREGIVERS WOULD HAVE RECEIVED SOME OF THEIR EDUCATION AT THE SUBORDINATE'S LOCATIONS IN PHOENIX/SCOTTSDALE, ARIZONA; JACKSONVILLE, FLORIDA AND THE HEALTH SYSTEM SITES IN MINNESOTA AND WISCONSIN.IN ADDITION, MANY OF THE SUBORDINATES HAVE AGREEMENTS WITH UNIVERSITIES, COLLEGES, AND OTHER EDUCATIONAL ORGANIZATIONS TO PROVIDE FORMAL EDUCATION AND EXPERIENCE FOR STUDENTS STUDYING TO BECOME HEALTH CARE PROFESSIONALS.ROYALTIES SOME SUBORDINATES WITHIN THE GROUP MAKE THE RESEARCH AND TECHNOLOGY DEVELOPED THROUGHOUT MAYO CLINIC AVAILABLE TO THE PUBLIC. THIS IS ACCOMPLISHED THROUGH LICENSING ARRANGEMENTS WITH OTHERS HAVING THE CAPABILITY TO DISTRIBUTE THE TECHNOLOGY TO THE MEDICAL COMMUNITY AND THE GENERAL PUBLIC. IN EXCHANGE FOR THESE LICENSES, THE SUBORDINATES RECEIVE ROYALTIES BASED ON GROSS REVENUES GENERATED FROM THE PRODUCTS DEVELOPED FROM THE LICENSED TECHNOLOGY OR INVENTION.
Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Legitimacy checks
Is it registered with the IRS? Passed.
Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
Has the IRS revoked its tax-exempt status? Passed.
Not on the IRS automatic revocation list.
Source: Automatic revocation of exemption list, Internal Revenue Service, file dated November 6, 2026.
Are donations tax-deductible? Worth knowing.
Not individually listed by the IRS as eligible, which is usual for local chapters covered by a parent organization's exemption. The master file records contributions to it as deductible.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
Is it keeping up with its IRS filings? Passed.
Most recent return on file covers the year ending December 2024.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
How long has it been tax-exempt? Passed.
Recognized by the IRS since March 2014.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
Is it in good standing with state regulators? Passed.
Not on California's list of charities barred from soliciting. Other states are not yet checked.
Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated November 4, 2026.
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