{"ein":"043230035","kind":"nonprofit","verification":"irs-listed","name":"MASS GENERAL BRIGHAM INCORPORATED","ntee":"E21","city":"SOMERVILLE","state":"MA","revenue":1904911087,"assets":9805737933,"sourceName":"IRS Exempt Organizations Business Master File extract","sourceUrl":"https://www.irs.gov/charities-non-profits/exempt-organizations-business-master-file-extract-eo-bmf","lastChecked":"2026-07-05"}