Medicare Part D Formularies

You can find out about the coverage of prescription drugs by Part D plans here, including what types are drugs must be covered and which drugs are rarely covered. You can also learn about Part D plan rules for coverage of the drugs in their formularies. This section also discusses current issues on Part D drug coverage, such as coverage of drugs for off-label usage. Getting Your Prescriptions Filled 101 - A Guide All Drugs in Certain Categories - All or Substantially All Coverage Formulary Changes During the Year Part D Prior Approval Rules Medicare B and Part D Drug Coverage Niacin Coverage Off Label Drugs and Part D Coverage