We're currently experiencing technical difficulties with delivery of the 2022 ID cards. If you're an existing member, your member and Rx number will remain the same. If you’re a new member or need your ID number to get care or prescriptions, customer service is here to help. Call us at 800-422-4641.

Find your Medicare plan

View all available plans in your area.

Making Medicare changes

Find a plan that works for you

If you’re satisfied with your current Medicare plan, you don’t need to do anything. Your plan will automatically renew each year. However, if it’s not meeting your needs, we can help you find a better solution.

Give us a call at 800-868-9885 and we can review your current plan and compare it to the other plans that we offer to find the right plan for you.

Compare Medicare plans.

When can you switch a Medicare plan?

Typically, you can make changes to a Medicare plan only during the Annual Election Period, which is Oct. 15 to Dec. 7 each year. Your new coverage will begin Jan. 1.

Open Enrollment Period: If you enrolled in a Medicare Advantage plan for January 1, and don’t like your plan choice, you can switch to another Medicare health plan (either with or without Medicare prescription drug coverage) or switch to Original Medicare (either with or without Medicare prescription drug coverage) between January 1 and March 31. For more information, see Chapter 10, Section 2.2 of the Evidence of Coverage. 

You may be able to take advantage of a Special Enrollment Period to make changes if you:

  • Lose coverage through an employer.
  • Move to a new service area.
  • Belong to a Medicare Savings Program.
Understanding Medicare basics

Learn the different parts of Medicare and get to know the various options you have to choose from. (Video, 5:15)

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Manage your Medicare benefits and view personalized plan information

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Last updated 10/1/2021

Copyright © 2021 HAP
2021 Health Alliance Plan of Michigan
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Health Alliance Plan (HAP) has HMO, HMO-POS, PPO plans with Medicare contracts. HAP Empowered Duals (HMO SNP) is a Medicare health plan with a Medicare contract and a contract with the Michigan Medicaid Program. Enrollment depends on contract renewals.

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Contact us

  • HAP Medicare Sales:

    (800) 868-9885 (TTY: 711)

  • HAP Senior Plus®

    (800) 801-1770 (TTY: 711)

  • HAP Senior Plus®(PPO)

    (888) 658-2536 (TTY: 711)

  • Alliance Medicare Supplement:

    (800) 873-7526 (TTY: 711)