In what order should I enroll in the different parts of Medicare?

Enrollment
Last updated: 
April 10, 2026
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The short answer

Most people enroll in Parts A and B first, then choose either a Medicare Advantage plan (Part C) or a standalone drug plan (Part D) to go alongside Original Medicare. You cannot add the other pieces without Parts A and B as your foundation.

The full explanation

Think of it like building a house. Parts A and B are the foundation. You need those first before anything else can be added on top. Part A covers hospital stays and Part B covers doctor visits and outpatient care. Together they are called Original Medicare.Once you have Parts A and B, you have a choice to make. You can stay with Original Medicare and add a standalone Part D plan for prescription drugs, and if you want, a Medigap (supplemental) policy to help cover out-of-pocket costs. Or you can enroll in a Medicare Advantage plan, which is Part C. Advantage plans bundle hospital, medical, and usually drug coverage all in one plan, so you often do not need a separate Part D.The order matters because Medicare Advantage and Part D plans require you to already be enrolled in both Part A and Part B. If you try to sign up for one of those before getting your base coverage in place, it will not work.For most people, the cleanest path is: sign up for Parts A and B during your Initial Enrollment Period, then compare and choose a Part D or Advantage plan before your coverage start date. A licensed agent can help you figure out which combination fits your situation.

Related Medicare Resources

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In 

 specifically

Utah offers plans from carriers like SelectHealth, Regence BlueCross, Humana, and others. The options available to you depend on where you live. Residents in rural counties like Garfield or Kane may have fewer plan choices than those in Salt Lake or Utah County. Comparing what is actually available in your ZIP code matters.

What this means for you

For you, this means getting Parts A and B set up first is the move that opens every other door, so do not skip that step while shopping for drug or Advantage plans.

Related Questions

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