Blue Cross and Blue Shield of Illinois - PPO

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BCBSIL Contact Information

The following phone and address information is for Illinois residents enrolled in Blue Cross and Blue Shield of Illinois individual and family health insurance plans:

Customer Service

(800) 538-8833

For Coverage while Traveling

(800) 810-2583

Mental Health Service

(800) 851-7498

Medical Services Advisory

(800) 624-41726

Health Care Provider Inquiry

(800) 972-8088

Claims Mailing Address

Mail Claims to:
Hallmark Services Corp
Administrator for Blue Cross and Blue Shield of Illinois
PO Box 3235
Naperville, IL 60566-7235

Premium Payment Mailing Address

Mail Premium Payments to:
Blue Cross and Blue Shield of Illinois
P.O. Box 3240
Naperville IL  60566