Medicare Part D

Prescription drug costs are a pressing concern for both consumers and policymakers. This analysis compares prescription drug spending and use in large private employer plans, Medicare Part D, and Medicaid, based primarily on claims data by payer, which does not account for rebates.

As policymakers debate how to address the high cost of prescription drugs, a new KFF analysis compares data on prescription drug spending and use across large employer plans, Medicare Part D and Medicaid, and provides context for policy discussions about different approaches to curb rising drug costs that would affect…

The analysis examines enrollment in Medicare Advantage plans during beneficiaries’ first year on Medicare and finds that less than one-third or 29% enrolled in these private health plans, including HMOs or PPOs. The majority of people new to Medicare are choosing traditional Medicare in the year they first go on Medicare. The study looks at how these findings vary across age, Medicaid status, states, and counties.

The Medicare Part D program provides an outpatient prescription drug benefit to older adults and people with long-term disabilities in Medicare who enroll in private plans. This analysis provides the latest data about Medicare Part D coverage and costs in 2019 and trends over time, including enrollment, premiums, cost sharing, and participation in the low-income subsidy program.

The Medicare Part D prescription drug benefit has helped improve the affordability of medications for people with Medicare. Yet Part D enrollees can face relatively high out-of-pocket costs because the Part D benefit does not have a hard cap on out-of-pocket spending. This analysis presents the latest data on out-of-pocket drug spending among Medicare Part D enrollees without low-income subsidies who have costs above the catastrophic coverage threshold.

The price of insulin, used by people with both Type 1 and Type 2 diabetes to control blood glucose levels, has come under increasing scrutiny as policymakers grapple with rising drug costs. This data note finds spending on insulin by Medicare and beneficiaries enrolled in private Part D drug plans has increased sharply between 2007 and 2017.

Medicare Part D spending on insulin increased 840 percent between 2007 and 2017, far outpacing growth in the number of beneficiaries using insulin therapy, according to a new KFF analysis. The findings come at a time when the cost of prescription drugs is a major focus for policymakers in Washington,…

Out-of-pocket insulin costs for Medicare Part D enrollees with incomes too high to qualify for low-income subsidies increased 81% from 2007 to 2016. Learn more in the latest Chart of the Week.

Most people with Medicare pay the standard monthly premium for Part B and Part D coverage, which is set to cover 25 percent of per capita program costs, but a relatively small share of beneficiaries with higher incomes are required to pay higher premiums. This issue brief describes the legislative history of Medicare’s income-related premiums and changes to these premiums that will take effect in 2019, based on a provision in the Bipartisan Budget Act of 2018.

Medicare Part D has helped to make prescription drugs more affordable for people with Medicare, yet many beneficiaries continue to face high out-of-pocket costs for their medications. Specialty tier drugs are a particular concern for Part D enrollees in this context. This analysis draws on data from Medicare’s Plan Finder website to calculate expected annual 2019 out-of-pocket costs for 30 specialty tier drugs used to treat four health conditions—cancer, hepatitis C, multiple sclerosis, and rheumatoid arthritis.