Medicare Prescription Drug Plan (Part D)
A stand-alone Medicare Prescription Drug Plan, sometimes called a PDP, adds prescription drug coverage to Original Medicare. Part D coverage may also be available with certain Medicare Cost Plans, Medicare Private Fee-for-Service (PFFS) plans, and Medicare Medical Savings Account (MSA) plans.
With a stand-alone Part D plan, you generally keep your Original Medicare Part A and Part B coverage while receiving your prescription drug coverage through a separate private insurance plan.

