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Supplemental Coverage in Medicare: How Many Have It and Where Do They Get It?

It covers some or all of Part A and B cost-sharing requirements and in sometimes covers benefits Medicare does not.

A Dozen Facts About Medicare Advantage

More than a third of Medicare beneficiaries are enrolled in Medicare Advantage plans, and the number has climbed steadily over the last decade.

Medicare Open Enrollment Frequently Asked Questions

Our list of FAQs about the open enrollment period covers a range of topics related to Medicare enrollment, including Medicare Advantage, Part D, Medigap, and more.

How Often is Prior Authorization Required in Medicare Advantage Plans?

Four in five Medicare Advantage enrollees are in plans that require prior authorization for some services.

Medicare’s Income-Related Premiums Under Current Law and Changes for 2019

Beneficiaries with relatively high incomes are required to pay income-related monthly premiums for Part B, which covers physician and other outpatient services, and for Part D, which covers outpatient prescription drugs.

Medigap Enrollment and Consumer Protections Vary Across States

Medigap helps Medicare beneficiaries cover cost-sharing requirements and protect against catastrophic expenses.

How Much Do You Know About Medicare?

Take our quiz and find out!

What's the Evidence on Savings and Quality in Medicare Payment Models?

The latest on ACOs, Bundled Payments and Medical Homes.

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Filling the need for trusted information on national health issues, the Kaiser Family Foundation is a nonprofit organization based in Menlo Park, California.