Specifications include, but are not limited to: As part of its expected procurement for One Care plans anticipated to be in place on January 1, 2020, MassHealth expects to seek One Care plans that will provide coverage in any and all Massachusetts counties with the goal of having statewide coverage available for eligible One Care members. To be a One Care plan, organizations must be selected through the MassHealth procurement process and meet all application and contracting requirements established by CMS to be eligible to participate with Medicare as a Medicare-Medicaid Plan (MMP). The Executive Office of Health and Human Services (EOHHS) and CMS will provide updates about the CMS requirements for 2020 as they become available.