You also might take a look at your Part B provider. There are different plans by Tufts, Bluecross, AARP and many more. Each one has different options and deductibles.
If you are having problems with medication that is Part D.
Signup time is right now until sometime in December?
If you want to change Part B and D now is one of the few times. Note Part B and D must be purchased from the same provider.