MMIS application, EVS and all eligibility services will be unavailable on Sunday, November 23rd, 2025, from 4:00 PM to 10:00 PM. MAP, CBHI, MeNoB, member and eligibility web services 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 Provider@masshealthquestions.com. EHS users with questions, please contact the EHS Customer Support Center at 617-994-5050 or email eohhs-it-customerservice.hancock@mass.gov.
MMIS System Outage Notice – Sunday, November 23, 2025