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.

Phone 

Call a HAP licensed agent at (888) 447-3850 (TTY: 711).

Office hours:
Oct. 1 – March 31, 8 a.m. to 8 p.m., Seven days a week 
April 1 - Sept. 30, 8 a.m. to 8 p.m., Monday through Friday

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

Online

Enroll

Mail

Complete and mail your enrollment form to:

HAP Medicare Sales Division
1414 E Maple Rd
Troy, MI 48083

Forms

2026 Medicare Supplement Enrollment Form

Medicare Supplement Attestation Form

Alliance Health and Life Insurance Company is a wholly-owned subsidiary of Health Alliance Plan.

This is a solicitation of HAP Alliance Medicare Supplement insurance and you may be contacted by a licensed, authorized HAP Medicare salesperson.