Policy & Research Home Policy & Research MassHealth: The Basics – Enrollment Update (March 2017) MassHealth: The Basics – Enrollment Update (March 2017) Published: June 12, 2017 This chart pack provides updated MassHealth enrollment data as of March 2017. Documents MassHealth: The Basics - Enrollment Update (March 2017) - PDF File MassHealth: The Basics - Enrollment Update (March 2017) - PPT File