Mass General Brigham Incorporated in Somerville, Massachusetts (MA)


Employer Identification Number (EIN) 04-3230035
Name of Organization Mass General Brigham Incorporated
Previous Names Partners Healthcare System Inc (2005 - 2018)
Address 399 Revolution Dr Ste 645, Somerville, MA 02145-1574
Previous Addresses 399 Revolution Drive No 645, Somerville, MA 02145-1444 (2017 - 2019)
399 Revolution Dr Ste 645, Somerville, MA 02145-1465 (2015)
529 Main St Ste 510, Charlestown, MA 02129-1116 (2013)
800 Boylston St Prudential Tower, Boston, MA 02199-0000 (2012)
529 Main St Ste 310, Charlestown, MA 02129-1116 (2011)
800 Boylston St Ste 1150, Boston, MA 02199-8123 (2009 - 2010)
800 Boylston St, Boston, MA 02199-8001 (2008)
800 Boylston St Ste 1150, Boston, MA 02199-8123 (2005 - 2007)
Subsection(s) / Classification Charitable Organization
Affiliation Central
Ruling Date 11/2010
Deductibility Contributions are deductible
Foundation Organization which receives a substantial part of its support from a governmental unit or the general public
Activities Other health services
Described in section 170(b)1)(a)(vi) of the Code
Organization Corporation
Exempt Organization Status Unconditional Exemption
Tax Period 09/2022
Asset $50,000,000 to greater
Income $50,000,000 to greater
Filing Requirement 990 (all other) or 990EZ return
Accounting Period September (09)
Asset Amount $8,691,364,928
Income Amount $2,097,520,808
Form 990 Revenue Amount $2,097,520,808
National Taxonomy of Exempt Entities (NTEE) Health - General and Rehabilitative: Community Health Systems

Organizations performing similar types of work - median values


Income amount
Similar organizations: $242,891
This organization: $2,097,520,808
Asset amount
Similar organizations: $398,974
This organization: $8,691,364,928