Massachusetts State Seal
The Official Website of the Massachusetts Health Care Training Forum
Health Care Training Forum

MMIS System Outage Notice - Saturday, May 18, 2024

May 13, 2024

To allow for system maintenance, the MMIS POSC, Provider Portal, HTS transactions, internal MMIS application, EVS and all eligibility services will be unavailable on Saturday, May 18, 2024, from 4:00 PM to 7:00 PM. MAP, CBHI, MeNoB, member and eligibility web services, connect direct and interchange file transfers and Netreveal predictive modeling application servers will also be impacted. 

We apologize for any inconvenience this may cause. Providers who have questions should contact MassHealth Customer Service at 800-841-2900 (toll-free) or by email at EHS users with questions, please contact the EHS Customer Support Center at 617-994-5050 or email