June 2025
Starting July 7, Provider Inquiry will use one mailing address for Blue Cross commercial routine inquiries
As we announced in a May 7, 2025, provider alert, starting July 7, 2025, Provider Inquiry will begin using one mailing address for all Blue Cross Blue Shield of Michigan commercial routine inquiries that can’t be handled by phone for health care providers in Michigan and outside of Michigan.
For inquires that can’t be handled by phone, submit all routine inquiries to the following address to ensure they are handled as efficiently as possible:
Provider Inquiry
Blue Cross Blue Shield of Michigan
P.O. Box 2227
Detroit, MI 48231-2227
Routine inquiries regarding claims, eligibility and benefits can be handled more quickly and efficiently by calling Provider Inquiry. To speak with a Provider Inquiry representative, call one of the following numbers from 8:30 a.m. to 5 p.m. Eastern time Monday through Friday:
- Professional providers – 1-800-344-8525
- Facility providers – 1-800-249-5103
- Vision and hearing providers – 1-800-482-4047
- Dental care providers – 1-888-826-8152
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