February 28, 2024
We announced a new mailing address in September 2023 for faster claims processing and responses. If you haven’t updated your records yet, please take note of this new address for commercial paper claims and inquiries:
Blue Cross and Blue Shield of Illinois
P.O. Box 660603
Dallas, TX 75266-0603
Only submit paper claims if necessary. Electronic claim submission is preferred. See our Claim Submission page for more information.
Forms updated with the new address are available to download, including the Claim Review, Corrected Claim, Additional Information and Requests for Recommended Clinical Review forms.
The address for dental claims also has changed:
Blue Cross and Blue Shield of Illinois
PO Box 660247
Dallas, TX 75266-0247
Mail will be forwarded to the new addresses during a transition period.