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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

No portion of this publication may be copied without the express written permission of Blue Cross Blue Shield of Michigan, except that BCBSM participating health care providers may make copies for their personal use. In no event may any portion of this publication be copied or reprinted and used for commercial purposes by any party other than BCBSM.

*CPT codes, descriptions and two-digit numeric modifiers only are copyright 2024 American Medical Association. All rights reserved.