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Contact Us

Blue Cross and Blue Shield of Illinois
300 East Randolph Street
Chicago, Illinois 60601-5099

Send Payment to:

Blue Cross and Blue Shield of Illinois
P.O. Box 94455
Palatine, IL 60094-4455

Product and Program Contact Information

If you are a member with a question about your coverage, please contact Customer Service or a specific department listed on this page:

BlueChoice (POS)
BlueChoice (POS)Call the toll free number on the back of your ID card
Davis Vision Discount Program(877) 393-8844
TLC / TruVision Laser Vision Correction Services(866) 484-2020
Lens 1 2 3® Mail Order Contact Lens Replacement Program(800) LENS-123 or (800) 536-7123 or visit www.lens123.com 
HMO Illinois/Blue Advantage HMO
HMO Hotline(800) 892-2803
HMO Blue USA (away from home urgent care)(800) 810-BLUE
Walgreen's Mail Service (mail order pharmacy refills)(800) Rx-Refill
Mental Health Network: Physician Care Network(800) 939-6333
All other memberscontact your PCP
Chemical Dependency Network: Physician Care Network(800) 939-6333
All other members(800) 346-3986
American Specialty™ Health(877) 320-2746
Davis Vision Discount Program(877) 393-8844
TLC / TruVision Laser Vision Correction Services(866) 484-2020
Lens 1 2 3® Mail Order Contact Lens Replacement Program(800) LENS-123 or (800) 536-7123 or visit www.lens123.com 
PPO
PPOCall the toll free number on the back of your ID card
Out-of-Area BlueCard PPO Providers(800) 810-BLUE (2583)
Davis Vision Discount Program(877) 393-8844
TLC / TruVision Laser Vision Correction Services(866) 484-2020
Lens 1 2 3® Mail Order Contact Lens Replacement Program(800) LENS-123 or (800) 536-7123 or visit www.lens123.com 
Prescription Drug Unit
Prescription Drug Unit(800) 423-1973
Individual and Family Plans
Under 65 New Enrollment(866) 514-8044
Under 65 Customer Service(800) 538-8833
Medicare Supplement New Enrollment(800) 646-3000
Medicare Supplement Customer Service(800) 624-1723
Payment Address
Customer ServiceBlue Cross and Blue Shield of Illinois
P.O. Box ZZ
Chicago, IL 60690-3690
Membership Address
Customer ServiceBlue Cross and Blue Shield of Illinois
P.O. Box 3004
Naperville, IL 60566-9747
Claims Address
Customer ServiceBlue Cross and Blue Shield of Illinois
P.O. Box 805107
Chicago, IL 60680-4112
Medicare
Medicare(800) 633-4227
Human Resources
Human Resources Inquiries(866) 977-7378
Special Investigations Department — Report Health Care Fraud
Blue Cross and Blue Shield of Illinois (BCBSIL) Fraud Hotline(800) 543-0867
Complete a fraud reportThis link takes you to the website of Global Compliance Services, a third-party vendor of BCBSIL.
Report fraud by mail – Use this mailing address only to report suspected fraudBlue Cross and Blue Shield of Illinois
Special Investigations Department
300 East Randolph Street, 35th Floor
Chicago, IL 60601
Supplier Registration
Supplier Registration If you are interested in conducting business with Blue Cross Blue Shield of Illinois, this link takes you to our Supplier Registration Portal.
 

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