Office of Patient Protection (OPP)

OPP safeguards the rights of health insurance consumers by regulating the internal appeal process and administering external reviews for consumers with fully-insured Massachusetts health insurance. OPP also issues open enrollment waivers and provides information and education about health insurance concerns to the public.

Please note: At this time OPP may accept mail only through United States Postal Service with no signature of receipt required. Correspondence mailed that requires a signature or uses other delivery services will be returned to sender.

Contact Us


Massachusetts Health Policy Commission - Office of Patient Protection
50 Milk Street, 8th Floor, Boston, MA 02109


Don’t speak English? We can still help. An interpreter will help translate the conversation.

People who are deaf, hard of hearing, late deafened, or speech disabled may reach OPP with MassRelay. TTY and ASCII Users: 800-720-3480; Voice and Hearing Users: 800-720-3479


OPP logo

Who we serve

OPP serves consumers with fully-insured Massachusetts health insurance who need assistance enrolling in insurance outside the open enrollment period or who would like to request an external review of certain health insurance company decisions. See the OPP Factsheet to learn more about how OPP serves residents of the Commonwealth. 

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