Report Fraud

You can report suspected wrongdoing confidentially in any of the following ways:

By phone

You can call us 8:30 a.m. to 4:30 p.m., Monday through Friday.

  • Call our confidential Fraud Hotline at 1-800-482-3787. After hours calls will be recorded. A fraud specialist will return the call the next business day to collect further information.
  • To report Medicare-related fraud, call our confidential, dedicated Medicare Fraud Hotline at 1-888-650-8136.

Mail or fax

Download, print and return the fraud complaint report (PDF). Please include your contract number and the date of service the complaint is about. The mailing address and fax number prints near the bottom of the form.


You can use this online form to tell us about fraud. Please note that the information you submit isn't secure or encrypted. You can call us or mail in a report if that concerns you.

You may remain anonymous. All information we receive is strictly confidential. But if you'd like a response from us about your report, please include your contact information.

Blue Cross Blue Shield of Michigan maintains a policy that enforces non-retaliation and non-intimidation against those who report potential concerns.

Did you know? Blue Cross Blue Shield of Michigan's two fraud hot lines receive more than 2,000 calls per month. Approximately 30 percent of these calls result in an investigation by our fraud unit.