If you have a Provider Secured Services account, you can simply log in to submit a claim.
Providers who don't have an account yet can mail a claim to one of the following:
Blue Care Network Claims
P.O. Box 68710
Grand Rapids, MI 49516-8710
Blue Care Network Advantage Claims
P.O. Box 68753
Grand Rapids, MI 49516-8753
Blue Cross Complete Claims
P.O. Box 7355
London, KY 40742