 [ Symptoms ] once i retire i will be under medicare part a and bcbs should i also choose part d to assure that my betaseron will still be covered does part d cover betaseron i have been trying to get answers on my own but am getting nowhere [ Disease ] to learn about which specific drugs are covered by part d programs take a look at the plan finder tool on medicare gov you will be able to input your medications to find a plan that covers what you need