Nonpartisan civic infrastructure
AllCiv·Legis1
·

MASS General Brigham Incorporated and Affiliates Group RTN

Public charity
DBA: % TAX DEPARTMENT
Other · SOMERVILLE, MA · EIN 90-0656139

About

MASS general brigham incorporated is developing an integrated health care delivery system throughout the region that offers patients a continuum of coordinated, high-quality care.

In care of TAX Department

Donations are tax-deductible
Category
Other
Employees
92,160
Volunteers
5,214

Financial Snapshot

FY ending 2024-09-30
Revenue
$23.5B
Expenses
$22.7B
Assets
$28.3B
Liabilities
$8.1B

Financial history

$23.5B$11.7B$0
161718192021222324
RevenueExpenses
Latest FY2024: $23.5B · Avg: $17.2B

Foreign activity (Schedule F)

Total spent abroad$52.0M
Foreign employees0
Foreign offices0
Foreign partnership interestNo
Foreign trust interestNo
RegionActivitySpent
CENTRAL AMERICA & THE CARRIBEAN——
CENTRAL AMERICA & THE CARRIBEAN——
EAST ASIA AND THE PACIFIC——
EAST ASIA AND THE PACIFIC——
EUROPE——
EUROPE——
EUROPE——
MIDDLE EAST AND NORTH AFRICA——
MIDDLE EAST AND NORTH AFRICA——
NORTH AMERICA——
NORTH AMERICA——
RUSSIA AND THE NEIGHBORING STATES——
RUSSIA AND THE NEIGHBORING STATES——
SOUTH AMERICA——
SOUTH AMERICA——
SOUTH ASIA——
SOUTH ASIA——
SUB-SAHARAN AFRICA——
SUB-SAHARAN AFRICA——

501(h) election

This 501(c)(3) has NOT elected 501(h) — lobbying is permitted but limited under the vaguer "no substantial part of activities" test.

Political & Grant Activity

Campaign Spending
—
Lobbying
$696K
Grants Given
$800.8M
MASS GENERAL BRIGHAM INCORPORATED AND AFFILIATES GROUP RTN
Your actions

Address

399 Revolution DR STE 645
Somerville, MA, 02145-157

Governance

Voting board members616
Independent members375
Conflict-of-interest policyYes
Whistleblower policyYes
Doc-retention policyYes
Audit committeeYes
990 reviewed by boardNo

Compensation practices

Severance paymentsYes
Equity-based compNo
Supplemental retirement planYes
Compensation committeeYes
Used comp surveyYes
Board approved compYes
Initial contract exceptionNo

Financial detail (Schedule D)

Board-designated %36.5%
Permanent endowment %29.8%
Endowment held by related orgYes

Fundraising activity (Schedule G)

Uses professional fundraisersYes
Gross fundraising receipts$262K
Net to org-$2.1M
Retained by contractors$2.3M
ChannelsMail · Phone · Email · In-person · Grant solicitation
Public records
ProPublica Nonprofit Explorer ↗
Full 990 PDFs going back to 2001, plus parsed financial extracts. The easiest place to read actual filings.
IRS Tax Exempt Organization Search ↗
IRS-side authoritative source. Confirms current exempt status and pulls the latest determination letter.
These open in a new tab. AllCiv doesn't host filings directly — these are the authoritative public-record sources.