For claim services:
To report a workers’ compensation claim use one of the following methods to contact Tristar:
- Mail to TRISTAR promptly but no later than five days after your knowledge of the injury
- Fax: (562) 427-0164
- 24-hour reporting phone number: (877) 556-5338
- Email to EydentPrograms@tristargroup.net
To report all other claims please contact The Hanover by:
- Emailing – aixclaims@hanover.com
- Calling: (800) 828-7083
- Faxing: (508) 926-1557
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Let’s Connect
Phone: 1-877-602-7267
Fax: 1-989-775-0835
Physical Address:
3700 East River Road
Mount Pleasant, MI 48858
Mailing Address
(including Payments):
P.O. Box 1905
Mount Pleasant, MI 48804-1905
(including Payments):
P.O. Box 1905
Mount Pleasant, MI 48804-1905
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