Mass General Brigham

Overview

Mission

Mass General Brigham remains enormously grateful for the generosity of our donors and the critical role our donors play in advancing our charitable mission. We value the trust that donors place in us and look forward to continuing to share more information with donors about the remarkable health care delivery, scientific research, and education happening in our outstanding member institutions. Mass General Brigham is committed to furthering its charitable mission of advancing patient care, scientific research, education, and community service. Mass General Brigham’s unique collaboration among its member institutions, which provide a spectrum of care, enables us to deliver the highest quality.

What it reported doing in 2023

See schedule o

Operating model

Revenue model
Earned-program. 73% of the money available for current operations came from fees and other program revenue.
Distribution model
Hybrid. The nonprofit split its reported program spending across 63% for direct work, and 37% for grants.
  • Includes noncash contributions: Reported contributions include donated property or goods.

Nonprofit profile at a glance

EIN
043230035
IRS 990 coverage
2009–2023
Website reviewed
Jun 2026
Forms available
Form 990 2023, Form 990-T 2023
Headquarters
Somerville, MA, USA
Rating
47
Verdict
MIXED
Rating confidence
Moderate
Sector
Hospitals

Official website

Request a diligence report

The verdict

MIXED - The filed numbers largely add up and most filed governance safeguards are in place. A relatively small share of available resources goes toward mission work and a relatively small share of total spending goes to programs.

Rating breakdown

  • Financial Efficiency: 14
  • Transparency & Controls: 68
  • Accountability: 70
  • Sustainability: 37
  • Growth: 100

Detailed rating inputs

Financial Efficiency

  • Mission deployment rate: 15.4%; rating input score 15
  • Program expense ratio: 13.3%; rating input score 13
  • Fundraising efficiency: Limited

Transparency & Controls

  • Consistency checks: 100%; rating input score 100; 71st percentile among comparable filings
  • Pay-setting controls: 5 of 6 controls in place; rating input score 83
  • Foreign activity oversight: Scored; rating input score 0
  • Grant itemization coverage: 100%; rating input score 100; 77th percentile among comparable filings
  • Major donor itemization: Yes; rating input score 100
  • Related-party transparency: Yes; rating input score 100
  • Public monitoring controls: 0 of 8 controls in place; rating input score 0
  • Public policy transparency: 1 of 7 controls in place; rating input score 14
  • Public financial transparency: 0 of 5 controls in place; rating input score 0
  • Impact reporting controls: 0 of 7 controls in place; rating input score 0
  • Public relationship transparency: No; rating input score 0

Accountability

  • Independent voting board: 59.1%; rating input score 59; 16th percentile among comparable filings
  • Governance controls: 9 of 9 controls in place; rating input score 100
  • Public governance controls: 1 of 4 controls in place; rating input score 25
  • Zakat policy transparency: Limited

Sustainability

  • Operating margin: -12.1%; rating input score 7; 7th percentile among comparable filings
  • Operating reserve ratio: 4.59; rating input score 85; 85th percentile among comparable filings
  • Liabilities to assets ratio: 0.85; rating input score 16; 16th percentile among comparable filings
  • Officer compensation ratio: 1.8%; rating input score 58; 58th percentile among comparable filings

Growth

  • Program expense growth: 3.7% per year; rating input score 100; 30th percentile among comparable filings
  • Revenue growth: 8.9% per year; rating input score 100; 73rd percentile among comparable filings
  • Asset growth: 7.9% per year; rating input score 100; 58th percentile among comparable filings

Details

  • What they do: Mission, programs, and operating context captured from the official website.
  • Where the money goes: 15.4% of revenue deployed · 13.3% of spending went to programs
  • Governance: 13 of 22 board members independent · 9 of 9 filing controls reported
  • Programs: 1 filed program accomplishment · $284M in reported program spending
  • Leadership: top reported pay $8.4M · 43 people listed · 5 of 6 pay-setting controls reported
  • Consistency: 37 of 37 current checks pass
  • Schedules: 11 filed schedules · includes major donors, foreign activity, grants, executive pay, and related organizations
  • Filing history: 14 annual filings from 2009 to 2023
  • Money network: 95 filed money-flow records
  • Related organizations: 148 filed related-organization links