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Mass General Brigham Incorporated and Affiliates Group Rtn

Patient care, research, education and service to the community locally and globally.

Mass General Brigham Incorporated &

Health Somerville, MA EIN: 900656139 (IRS) Sign up to see website
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74
Integrity Assessment
Strong transparency
74/100 · methodology

About Mass General Brigham Incorporated and Affiliates Group Rtn

Mass General Brigham is an integrated healthcare system, uniting great minds to solve the hardest problems in medicine for our communities and the world.

Headquarters
Somerville, MA
Foundation type
Publicly-supported charity (509(a)(2))
NTEE code
E21
IRS subsection
501(c)(03)
Ruling date
Size
major

Mission

Patient care, research, education and service to the community locally and globally.

Focus areas & reach

· What they work on and where
❤️ Health · NTEE E21
Cause tags
SDG alignment The 17 UN Sustainable Development Goals (SDGs) are the global agenda for ending poverty, protecting the planet, and ensuring prosperity by 2030. We tag each charity to the goals its work advances.

How it stacks up against peers

· vs. 8 similar health in United States
Program spending This charity: 92%
Peer average: 89%
CEO comp as % of revenue This charity: 0.01%
Peer average: 0.48%
Integrity Assessment This charity: 74
Peer average: 90

Concerns

· None found
No red flags found
Screened for IRS revocation history, Open investigations, Governance scandals, Related-party deals, Excessive exec comp.

Where every $1 goes

· FY2024 · IRS 990 (FY2024)
$0.92
Program$0.92
92% to programs beats the peer average (89%) and beats the Charity Navigator "highly efficient" threshold (75%).

GiveRadar Analysis

Original analysis from GiveRadar's dataset of comparable organizations

GiveRadar's verified records show Mass General Brigham Incorporated and Affiliates Group Rtn with a complete profile, cross-referenced across 4 independent sources including the IRS.

  • By reported annual revenue, it is larger than 96% of the 50,227 health charities in the United States with financial records on GiveRadar. See the filings
  • GiveRadar holds 5 years of financial filings for this organization, the most recent for fiscal year 2024. See the filings
  • Its integrity score of 74 places it in the top 25% of the 98,862 health charities in the United States GiveRadar tracks, because GiveRadar has verified its financial disclosures and its governance. View this cohort
GiveRadar has verified
  • government registration
  • financial records (5 filed years)
  • disclosed leadership
  • a website
Not yet verified by GiveRadar
  • a contact email
  • a donation page
  • third-party accreditation (present for 94% of comparable organizations)
  • an owner-submitted profile claim

Analysis based on GiveRadar's benchmark dataset of 2026-07-03. It describes what GiveRadar has verified, not a judgment of the organization itself.

Common questions

· Auto-generated from filings + methodology

Mass General Brigham Incorporated and Affiliates Group Rtn is a registered health nonprofit based in Somerville, MA, United States. It is registered with the Internal Revenue Service (IRS). Its EIN is 900656139. GiveRadar's Integrity Assessment for the organization is 74/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $23.5B in annual revenue. 2640 officers and directors are publicly disclosed. No red flags have been detected.

Mass General Brigham Incorporated and Affiliates Group Rtn's EIN (Employer Identification Number) is 900656139. This is the organization's IRS tax identification number; you can use it to verify tax-exempt status and to look up its Form 990 filings with the IRS.

Mass General Brigham Incorporated and Affiliates Group Rtn has a GiveRadar Integrity Assessment of 74/100. 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 74 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. The charity allocates 92% of expenses to programs, which contributes positively to its score. For comparison, the average integrity assessment for health charities in United States is 90/100.

Mass General Brigham Incorporated and Affiliates Group Rtn is located in Somerville, MA, United States.

Based on official tax filings, Mass General Brigham Incorporated and Affiliates Group Rtn has $23.5B in annual revenue. It allocates 92% of expenses to programs and services. This is in line with the average of 89% for health charities in United States. Its revenue is significantly above the peer average of $41M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Mass General Brigham Incorporated and Affiliates Group Rtn is classified as a Health organization, registered in United States. It operates as a Publicly-supported charity (509(a)(2)). By size, it is categorized as a major organization. It has $23.5B in annual revenue. The organization has 2640 disclosed officers and directors.

No red flags have been detected for Mass General Brigham Incorporated and Affiliates Group Rtn. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.

According to GiveRadar's records, Mass General Brigham Incorporated and Affiliates Group Rtn is registered with the Internal Revenue Service (IRS) and overseen by the IRS. It reports that 92% of expenses go to programs (the peer average is 89%). GiveRadar provides data for research and does not endorse any organization. A GiveRadar Integrity Assessment reflects how much public data is available, not whether an organization is safe to donate to, so it is always smart to do your own research before giving.

Mass General Brigham is an integrated healthcare system, uniting great minds to solve the hardest problems in medicine for our communities and the world. Mass General Brigham Incorporated and Affiliates Group Rtn is classified as a health organization registered in United States.

Among health charities registered in United States: It allocates 92% of expenses to programs, in line with the peer average of 89%. Its annual revenue of $23.5B is well above the peer average of $41M.

Yes, donations to Mass General Brigham Incorporated and Affiliates Group Rtn are generally tax-deductible in the United States. Mass General Brigham Incorporated and Affiliates Group Rtn is a 501(c)(3) tax-exempt organization. Its EIN is 900656139, 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.

Annual revenue
$1B+
92% to programs
Source: IRS 990 (FY2024) why this matters
Unlock exact figures

Filing history

5 years on file from IRS 990 (FY2024): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2024, FY2023, FY2022, FY2021, FY2020.
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.

Staff & volunteers

From filings and published profiles

Employees
92,160

Leadership

From FY2024 filing

NI
Niyum G•••••
CFO & Treasurer

Officers & trustees (25)

Source: Public filings

See full names, roles, and stories

25 officers and trustees on file - free with a GiveRadar account.

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Latest news

From global news sources

No recent news coverage found

News coverage will appear here when articles mention this organization.

Activity timeline

Filings and press mentions, merged

Form filed
$23474.7M revenue
FY2024
IRS 990
Form filed
$22733.2M revenue
FY2023
IRS 990
Form filed
$19128.6M revenue
FY2022
IRS 990
Form filed
$18707.7M revenue
FY2021
IRS 990
Form filed
$15405.4M revenue
FY2020
IRS 990

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Cause areas in United States

How many charities work in each area, with this charity's area highlighted.

Human Services 322,679
Education 195,586
Arts & Culture 133,128
Advocacy & Civil Rights 128,026
Religion 114,636
Health this charity 98,862
Community Development 56,086
Youth Development 53,450
See all cause areas in United States

Most common causes in United States

Causes charities work on most, with this charity's causes ticked.

Community Development 235,146
Education 159,016
Religion 103,741
Arts & Culture 101,203
Human Rights 76,926
Health 65,250
Youth Development 47,775
Animal Welfare 32,425

Sources and verification

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2024 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 2640 disclosed in the public registry.
News and media coverage
GDELT Project + Google News
Supplementary verification
Charity Navigator

Data freshness

Last updated
Jun 12, 2026
Registry checked
Jun 6, 2026
Profile completeness
90%

What we know and don't know

Exactly which public data we hold on this charity. Our score reflects transparency, not impact.

On record · 9
  • Financial data · FY2024 on record
  • Named leadership · 2640 officers on file
  • Executive pay · Disclosed
  • Government registration · Registered with an official registry
  • Mission statement · Published
  • Official website · On record
  • Headquarters address · On file
  • Direct contact · Email or phone published
  • Tax-deductibility · Verified
Not available · 2
  • Programs & activities
    No named programs listed by the charity
  • Founding date
    Year founded not on file

Methodology

GiveRadar builds each profile primarily from official government charity registries, supplemented where available by third-party nonprofit databases and news archives, and combines it into a single 0-100 integrity assessment. The exact sources for this charity are listed above. We don't take a cut of any donation, ever.

Read full methodology

Are you the owner or a board member?

If you represent this organization and want to correct or update its data, you can claim this listing to edit details yourself, or email [email protected] with the correct information. We review every request and respond within 30 days.

Quick facts about Mass General Brigham Incorporated and Affiliates Group Rtn

What is Mass General Brigham Incorporated and Affiliates Group Rtn?
Mass General Brigham Incorporated and Affiliates Group Rtn is a health publicly-supported charity (509(a)(2)) based in Somerville, United States. Mass General Brigham is an integrated healthcare system, uniting great minds to solve the hardest problems in medicine for our communities and the world.
Who leads Mass General Brigham Incorporated and Affiliates Group Rtn?
Niyum Gandhi serves as CFO & Treasurer.
Where is Mass General Brigham Incorporated and Affiliates Group Rtn located?
Headquartered in Somerville, MA, United States.
What is Mass General Brigham Incorporated and Affiliates Group Rtn's annual budget?
Annual revenue for fiscal year 2024 is approximately $1B+. 92% of expenses go to program services.
Is Mass General Brigham Incorporated and Affiliates Group Rtn trustworthy?
Mass General Brigham Incorporated and Affiliates Group Rtn has a GiveRadar Integrity Assessment of 74 out of 100 (Strong 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 Mass General Brigham Incorporated and Affiliates Group Rtn's registration number?
IRS EIN: 900656139.
What is Mass General Brigham Incorporated and Affiliates Group Rtn's website?
https://www.massgeneralbrigham.org/