Press Release | Watertown, MA | August 18, 2017 The Massachusetts Executive Office of Health and Human Services (EOHHS) recently announced that Tufts Health Plan has signed contracts to form Medicaid (MassHealth) Accountable Care Organization (ACO) partnerships with four provider organizations: Atrius Health, Beth Israel Deaconess Care Organization, Cambridge Health Alliance, and Boston Children’s Accountable Care Organization. The new ACOs feature a value‐based …