A drug formulary, also called a drug list, is a list of drugs covered by a prescription drug plan or health insurance plan with drug coverage. Part D drug plans cover drugs in the insurer’s drug formulary and offer different cost-sharing amounts based on drug formulary cost-sharing tiers.

TIP: Did you know you can access the formulary for any Medicare plan with drug coverage from our website? To see a plan’s formulary, use the zip code search above to find a plan in your area with drug coverage and then click the drug formulary directory link.