MassHealth Card

All MassHealth members have a MassHealth card, except those whose only benefit is that MassHealth pays for all or part of their health-insurance premium.

The MassHealth card shows the member name and the 12-digit member identification number.

Eligibility dates are not printed on a member's card. You must use EVS to verify the member's eligibility using the Provider Online Service Center (POSC) every day you provide service.

  • The cardholder's number appears below the cardholder's name.
  • The back of the card has been revised to simplify language, and to add the TTY number (for the deaf and hard of hearing) for the member Customer Service: 1-800-497-4648


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