For Treatment/Authorizations, Benefits/Eligibility, Claims, Appeals or any other member-related issue, access the Secure Transactions on Provider Express or call the Customer Service number on the back of the member's ID card.
Massachusetts Network Management
950 Winter St
Ste 2200 3800
Waltham MA 02451
Main Number: (877)614-0484
Fax Number: (844)481-2861
Massachusetts Autism/ABA Network Management