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What is Medicare?

Medicare is the federal government's health care program. It's for people age 65 and older, and people younger than 65 with certain disabilities. You have several different Medicare coverage options to choose from. We're here to help you understand them.


The Parts of Medicare

The Parts of Medicare

Knowing the parts of Medicare is the first step towards learning how to get the most out of your health care coverage.

Are you eligible for our plans?

Are you eligible for our plans?

Allina Health | Aetna Medicare Advantage plans offer medical coverage (Medicare Part C) and may include drug coverage (Medicare Part D). You can enroll in an Allina Health | Aetna Medicare Advantage plan if you meet all of these criteria:


  • You are entitled to Medicare Part A and enrolled in Part B
  • Live in an area that offers Allina Health | Aetna Medicare plans
  • You are a U.S. citizen or lawfully present in the United States

Learn about exceptions

Read our Medicare glossary

Read our Medicare glossary to find the definitions of common Medicare terms.


Read our Medicare glossary



Guide to other Medicare terminology


  1. Medicare vs. Medicaid: What's the difference?
  2.  Most commonly misunderstood Medicare terms
  3.  Your Medicare Advantage preventive care glossary

Get help with enrollment

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Already a member?

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Not a member yet?

Just take a look at our plans to find one that's right for you.