On December 22, 2021, the Massachusetts Executive Office of Health and Human Services (EOHHS) submitted a request to extend its MassHealth Section 1115 Demonstration to the Centers for Medicare and Medicaid Services (CMS). The extension would run from the current waiver’s 2022 expiration through 2027. The state anticipates CMS approval by June 2022, with an anticipated start date of July 1, 2022. The extension request includes the following new provisions: A sub-capitation payment model for primary care provider organizations. This provision is intended to further shift the health care system away from a fee-for-service . . .