Some fun facts from Kaiser Family Foundation about Medicare Part D, which covers prescription drugs.
Enrollment has doubled since Part D’s inception in 2019.
![](https://www.healthcare-economist.com/wp-content/uploads/2019/06/Figure-1.png)
Enrollment in managed care drug plans (i.e., Medicare Advantage Part D Plans [MA-PD]) has continued to grow, but enrollment in stand alone Part D Plans [PDP] has leveled off or decreased.
Combined, UnitedHealth, Humana, and CVS Health cover almost 60% of all Medicare Part D enrollees
Despite media reports of rising drug prices, Part D plan premium increases are modest.