What are the parts of Medicare?
Part A (Hospital Insurance)
Part B (Medical Insurance)
Part D (Drug coverage)
Helps cover the cost of prescription drugs (including many recommended shots or vaccines).
Plans that offer Medicare drug coverage are run by private insurance companies that follow rules set by Medicare.
Your Medicare options
Medicare Advantage (also known as Part C)
If you already have Medicare:
If you’re in a Medicare Advantage Plan, you can change to a different Medicare Advantage Plan or switch to Original Medicare (and join a separate Medicare drug plan) once during this time. Any changes you make will be effective the first of the month after the plan gets your request. See page 59.