This report proposes a statewide Health Equity Action Plan that offers an organizing structure, process, and set of practical steps for collectively achieving a racially and ethnically equitable health care delivery system in Massachusetts. The Health Equity Action Plan is accompanied by a toolkit, which includes an illustrative set of interventions and best practices that providers, health care delivery system leaders, and other stakeholders can deploy to achieve the envisioned system.

MassHealth introduced Accountable Care Organizations (ACOs) in 2018 as an option for most of its members under age 65. As of June 2023, over 1.3 million members – more than half of MassHealth’s total membership – are enrolled in one of 17 MassHealth ACOs.

This report was developed as a resource for stakeholders to help explain the key elements of MassHealth ACOs, including the two types, who they serve, and the services they provide. It includes information on the following:

This UPDATED (October 2023) edition of the MassHealth: The Basics chart pack provides new data on MassHealth enrollment and spending from the most recent state fiscal years available. The chart pack features a high-level overview of the delivery systems that serve MassHealth members. It also highlights MassHealth’s latest reform efforts, which include initiatives to advance health equity and to improve timely access to behavioral health care.

Massachusetts administers much of MassHealth through an 1115 Demonstration waiver, approved by the Centers for Medicare and Medicaid Services (CMS), which it has extended several times since it was originally approved in 1995. On September 28, 2022, CMS approved Massachusetts’ request for a five-year extension of its Demonstration, which is in effect from October 1, 2022 through December 31, 2027.