HAP Client Services
2850 W. Grand Boulevard
Detroit, MI 48202
Call a licensed HAP Medicare Sales Representative toll-free:
(800) 868-3153 or TTY/TDD (800) 649-3777
Current members call
Client Services toll-free:
HAP Senior Plus
Alliance Medicare PPO
Alliance Medicare Rx
Alliance Medicare Supplement
Monday through Friday, 8 a.m. to 8 p.m.
Saturday, 8 a.m. to noon.
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 Customer Service Representative will return your phone call the next business day.
Extended hours from October 1 through February 14:
7 days a week, 8 a.m. to 8 p.m.
Please contact us if you need additional information, including:
- How we control the use of services and costs
- The number of appeals and grievances filed by our members
- A summary description of how we pay our doctors
- A description of our financial condition, including a summary of our most recent audit statement