AMCP Summary of Medicare Part B Most Favored Nation Model

On November 20, HHS released an Interim Final Rule with Comment Period (IFC) establishing a Most Favored Nation (MFN) Model for Medicare Part B drugs. The MFN Model will calculate the payment rate for included drugs based on a price that reflects the lowest per capita GDP-adjusted price among a group of OECD countries, with an additional flat payment based on the average payment for MFN Model drugs in 2019 adjusted quarterly for inflation.