What does OPP do?

OPP provides the following assistance to consumers:

OPP also collects and posts certain information reported by health insurance companies who offer insurance plans in Massachusetts

History of the Office of Patient Protection

Frequently Asked Questions

Statistics and Reports


  • You can contact OPP by phone at 1-800-436-7757 or by email at HPC-OPP@state.ma.us. We cannot accept external review requests, enrollment waiver requests, or any personal health information by email because OPP cannot guarantee the confidentiality and security of information sent to OPP by email.
  • OPP was formerly located at the Massachusetts Department of Public Health (DPH).  Chapter 224 of the Acts of 2012 moved OPP from DPH to the Health Policy Commission.  The move took place on April 20, 2013.  Learn more about the implementation of Chapter 224.