10 Prescription Drugs Accounted for $48 Billion in Medicare Part D Spending in 2021, or More Than One-Fifth of Part D Spending That Year
A new KFF analysis finds that the 10 top-selling prescription drugs under Medicare Part D comprised less than 1 percent of all covered drugs in 2021, but accounted for 22 percent, or $48 billion, of gross Medicare Part D drug spending that year.