September 19, 2023
We’re updating our mailing address for faster claims processing. To submit paper claims and inquiries for commercial plans, please use this address:
Blue Cross and Blue Shield of Illinois
P.O. Box 660603
Dallas, TX 75266-0603
Electronic claim submission is preferred. See our Claim Submission page for more information.
Please update your records with the new address. Mail sent to our previous P.O. Box 805107 will be forwarded to the new address while we transition. We’re in the process of updating our website, forms and provider manual with the new address.