Children's Medical Security Plan (CMSP)

CMSP is the Children's Medical Security Plan.

It provides basic medical and dental insurance to children and teens who qualify.

Your family member qualifies for CMSP (regardless of income) if they are: A Massachusetts resident, under the age of 19, not eligible for MassHealth (except MassHealth limited), or not covered by another plan.

The amount you pay depends on family size and income. There may be a waiting list to get CMSP coverage.

Here's what you can do:

  • Call MassHealth Customer Service: 1-800-841-2900 (TTY: 1-800-497-4648)

  • If your child qualifies, apply for CMSP

  • Learn more at the CMSP website


Sources: CMSP, MassHealth