Bureau of Special Investigations (BSI)

The Bureau of Special Investigations strengthens the social safety net in Massachusetts by investigating potential fraud in the state’s public benefit programs.

Contact Us


Bureau of Special Investigations
One Ashburton Place, Room 1103, Boston, MA 02108


Main Phone Line (617) 727-8638
Report Public Benefit Fraud (617) 727-6771


Fax (617) 727-2567

Who we serve

The Office of State Auditor Diana DiZoglio, through its Bureau of Special Investigations, acts as a watchdog for taxpayers by identifying potential fraud in public benefit programs to ensure benefits reach those who truly need them. It investigates allegations of fraud in MassHealth, programs run by the Department of Transitional Assistance, and the Department of Early Education and Care.

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