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.

Schedule a virtual appointment with a HAP Medicare Expert

Have questions about Medicare?

How to enroll

When to enroll 

You can purchase a HAP Alliance Medicare Supplement plan at any time. The best time to purchase your policy is when you become eligible for Medicare and enroll in Medicare Part B. 

Ways to enroll 

There are several convenient ways to enroll in a HAP Medicare Supplement Plan. 



Call a licensed HAP Medicare sales representative at (833) 923-1797 (TTY:711). 

Office hours:
8 a.m. to 8 p.m., Seven Days a Week (Oct. 1 – March 31)
8 a.m. to 8 p.m., Monday through Friday (April 1 - Sept. 30)

At all other times, you may access our interactive voice recording system at the same number and leave your name and phone number. A HAP Medicare sales representative will return your phone call the next business day. Please do not share personal health information when you leave your message.

Attend a Medicare Webinar 

Come to a free HAP Medicare webinar to learn how to get the most out of a Medicare plan, get the latest information and ask questions. 


Complete and mail your enrollment form to: 

HAP Medicare Sales Division
2850 W. Grand Blvd.
Detroit, MI 48202

2022 Forms

2022 Medicare Supplement Enrollment Form (PDF)

2022 Medicare Supplement Attestation Form (PDF)

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Last updated 1/3/2022

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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)