Department of Industrial Accidents (DIA)
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Department of Industrial Accidents (DIA)
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Notices & Alerts HideExpand
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notice Our Springfield regional office is relocating to 1441 Main Street. Our Dwight Street location will be closed at 5pm on Thursday April 30th. Updated Apr. 24, 2026, 09:00 am+
Our staff will have virtual capabilities on Friday, May 1st. We will re-open at the new location Monday May 4th.
The Department of Industrial Accident (DIA) oversees the Massachusetts workers’ compensation system. We work to ensure that those involved have the resources needed to participate by assisting injured workers, employers, insurers, attorneys, and health care providers in following the Massachusetts workers’ compensation laws and regulations.
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Workers' Compensation for Injured Workers
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Workers' Compensation for Employers 
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Workers' Compensation for Attorneys
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Workers' Compensation for Insurers 
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Online Services and Payments
DIA Key Resources Administrative Bulletins by Department Department of Industrial Accidents Circular Letters DIA Forms Department of Industrial Accidents Guides and Brochures Review Board Decisions by Year
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More actions & services | (contains 8 items)
- Safety Grant Program - Office of Safety
- DIA's Impartial Medical Exams
- Utilization Review - Office of Health Policy
- Stop Work Orders - Office of Investigations
- Health Care Services Board (HCSB)
- Massachusetts treatment guidelines and protocols for injured workers
- DIA Multilingual Services
- Workers' Compensation Rating and Inspection Bureau of Mass. (WCRIBMA)
Recent news & announcements
News
CL 362 - COLA; Max & Min. Comp. Rates; Attorneys' Fee Schedules
10/01/2025
Department of Industrial Accidents
News
Assessment Rates effective July 1, 2025
6/27/2025
Department of Industrial Accidents
Workers' Compensation assessment rates effective 7/1/2025
Upcoming Events
No upcoming events scheduled
Locations
We have 5 locations across Massachusetts to better serve you.
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Contact Us
Online
Email us: Info2@mass.gov
Verify Workers' Compensation Insurance Coverage
DIA Managers and Supervisors Directory
Address
Boston - Main Office - (617) 727-4900 - 8:30 - 5:00
Lafayette City Center
2 Avenue de Lafayette
Boston, MA 02111-1750
Fall River - (508) 676-3406 - 8:30 - 5:00
1 Father DeValles Blvd., 3rd Fl.
Fall River, MA 02723
Lawrence - (978) 683-6420 - 8:30 - 5:00
354 Merrimack St., Entrance C
Suite 230
Lawrence, MA 01843
Springfield - (413) 784-1133 - Open 8:30 - 5:00
436 Dwight St.
Springfield, MA 01103
Worcester - (508) 753-2072 - 8:30 - 5:00
Mercantile Center
100 Front St., Suite 310
Worcester, MA 01608
Social media links
Related organizations
- Executive Office of Labor and Workforce Development
- Executive Office of Health and Human Services
- Workers' Compensation Advisory Council
- Division of Insurance
- Department of Family and Medical Leave
- Council on the Underground Economy
Department of Industrial Accidents information
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