Contact Us

Call Us

1 (855) 586-2573,
TTY Users call 711

WRITE US

Granite Alliance Insurance Company
PO Box 1382
Maryland Heights, MO 63043

Hours

We are available 24 hours a day, 7 days a week

FAX OR EMAIL

1 (888) 656-8099
GAICHelp@magellanhealth.com

Call MEDICARE

1-800-MEDICARE (1-800-633-4227)
TTY: 1-877-486-2048

Hours of Operation: 24 hours a day, 7 days a week.

Report potential fraud,
WASTE or ABUSE

By Phone: 1-800-349-2919
By Email: fraudtiphotline@primetherapeutics.com

Report suspicious, illegal, or
unethical activity

By calling Magellan’s Compliance Hotline:
1-800-915-2108

Available 24 hours per day, 7 days a week.

All calls will be treated confidentially. When calling, you may choose to remain anonymous, as an outside vendor manages the incoming calls.

Last Updated Date: 1/10/2023

You have requested to leave the Granite Alliance Insurance website.The link you have selected will redirect you to an external site not controlled by Granite Alliance. Click the link below to continue to this third-party site, or close the window to return to the page you were viewing.

Medicare Complaint Form

Internet explorer not supported

Internet Explorer is no longer supported. Please use any of the browsers listed below:

Google Chrome
Microsoft Edge
Mozilla Firefox
Apple Safari