Mass General Brigham Health Plan

AllWays Provider Portal Registration

Please select the provider entity/site you are associated with using the search button and enter the corresponding Tax Identification Number(TIN). Be sure to use the legal name versus the Doing Business As name for your provider entity. When searching for your site, please be sure to select your group name from the drop-down list.

Contact Us

For questions about Mass General Brigham Health Plan provider portal, you can contact us at or call 1-855-444-4647.