The Children’s Medical Security Plan (CMSP)

Address: Health Insurance Processing Center, P.O. Box 4405
Taunton, MA 02780 Phone: (800) 841-2900 Website: https://www.mass.gov/childrens-medical-security-plan

The Children’s Medical Security Plan (CMSP) provides coverage for primary and preventive medical and dental services to certain uninsured children who do not qualify for any other MassHealth types of coverage (other than MassHealth Limited).