Which Medicare plan can we help you with today?
HMO Plans
| PPO plans
| HMO-POS plans (800) 801-1770 (i): The HAP Medicare HMO-POS plan HAP Senior Plus. |
D-SNP plans
| C-SNP plans (800) 848-4844 (i): HAP’s C-SNP plan is HAP Medicare Diabetes and Heart. | HIDE-SNP Call HAP CareSource (888) 531-6192 7 a.m. to 7 p.m., Monday through Friday (i): HAP’s C-SNP plan is HAP CareSource MI Coordinated Health. |
| Alliance Medicare Supplement (800) 873-7526 Mon–Fri, 8 a.m.–6 p.m. | Medicare Supplement (855) 352-0769 Mon–Fri, 8 a.m.–6 p.m. |
HAP customer service hours
- 8 a.m. to 8 p.m., 7 days a week (Oct. 1 – Mar. 31)
- 8 a.m. to 8 p.m., Monday–Friday (Apr. 1 – Sept. 30)
- After hours: Leave a message via Interactive Voice Recording. All calls will be returned the next business day.
- For TTY users, reach any number listed here by dialing 711.
For other Medicare questions
| Compliance hotline (877) 746-2501 | Self-service help page Get answers to common questions on our help page. | |
| Mailing address HAP Customer Service Attn: Medicare 1414 E. Maple Rd. Troy, MI 48083 | You can speak with a customer service representative at the following locations: HAP Troy lobby 1414 E. Maple Road, Troy, MI 48083 Mon–Fri, 9 a.m.–4:30 p.m. | HAP Detroit lobby 3031 W. Grand Blvd., Suite 110, Detroit, MI 4820 Mon–Fri, 9 a.m.–4:30 p.m. |

