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MMIS System Maintenance Notice - Monday, June 29, 2020 to Friday, July 17, 2020

June 26, 2020

Starting on 06/29/2020, the MMIS application will undergo mandatory data maintenance over the next 3 weeks, through 07/17/2020. During this period, all the services will be available. However users might experience some slowness in the system. We apologize for the inconvenience this may cause. 

Providers who have questions should contact MassHealth Customer Service at (800) 841-2900 (toll-free) or by email at EOHHS users with questions please contact the EHS Customer Support Center at (617) 994-5050 or email