Medicare Prescription Drug plan also know as Prescription Drug Plan (PDP) are plans that are purchased through private insurance companies. They are approved and managed by Medicare.
Prescription Drug Plan are required by Medicare to provide at least two drugs in each therapeutic category. Enrolling in a Prescription Drug plan helps to lower the every day cost of drugs and protects against annual out of pocket expenses. Enrollees are required to be entitled to Medicare part A and/or enrolled in Medicare part B.