Want to know more about us, our services or workers’ compensation insurance? We would love to talk with you about your needs and how we can help meet them.

Main Office Mailing Address

Assigned Risk Solutions
PO Box 40767
Lansing, MI 48901-7967
Phone: 866-221-9640
Fax: 844-778-1070

Main Office Street Address

200 N. Grand Ave.
Lansing, MI 48901-7985
Phone: 866-221-9640
Fax: 844-778-1070

Media Contact

Claim Reporting

Phone: 866-221-9640
Claim Intake Fax: 844-778-1069
Claim Intake Email Address:
Report all claims within 24 hours, Log in to report a claim online
Employer Questions and Information: 866-221-9640

Policy Questions

For questions about your policy or billing, call 866-221-9640 between 8 a.m. and 5 p.m. (EST).

To request policy changes, please email

Fraud Reporting

800-944-3728 (anonymous tip line)
Technical Assistance
Phone: 866-206-5851
Please call and follow the appropriate prompts.

Medical Bill Electronic Clearinghouse

WorkComp EDI Address

WorkComp EDI
4250 Veterans Memorial Hwy
Suite 301E
Holbrook NY 11741

WorkComp EDI Customer Service Contact Info

Marisa Nappi, Customer Service
800-297-6909 X1303
Fax: 631-648-6023

WorkComp EDI Payer Numbers

Accident Fund – 10166
3CU – LS636
United Heartland – WB471
CompWest – WX214
Assigned Risk Solutions – LS721