For the 2020 Medicare Part D plan year, the Centers for Medicare & Medicaid Services (CMS) will increase the total out-of-pocket (OOP) threshold to increase by 24.5%, from $5,100 in 2019 to $6,350 in 2020. The OOP threshold is the point at which the Part D catastrophic coverage for medications takes effect and the beneficiary is no longer responsible for cost sharing. Since 2007, the OOP threshold has increased 64.9% (from $3,850 in 2007). The OOP threshold does not include monthly premiums or non-formulary purchases. CMS finalized the OOP increase in "Contract . . .