Woman walking with phone in hand

Contact Us

Have questions? We’re here to help.

Sales Inquiries

To learn more about our products and services, contact your agent, broker or consultant. Our Blue Cross and Blue Shield of Illinois sales team will work with your representatives* to present health insurance solutions to your organization.  

Top Contacts for Existing Group Business

The following numbers are for our employer customers. BCBSIL members should call us at the customer service numbers listed on their member ID cards for service.

Group Membership and Eligibility Inquiries
1-800-548-1687 (Small and Mid-Market Groups)
1-800-327-8497 and 1-800-828-3116 (Large Groups)

Small Group Account Management

Group Billing and Accounts Receivable

Prescription Inquiries (Prime Therapeutics®)

BlueCare DentalSM

Summary of Benefits and Coverage Request Line

Blue Access for EmployersSM Help Desk

Monday – Friday: 7:00 a.m. to 10:00 p.m. CT
Saturday: 7:00 a.m. to 3:30 p.m. CT

Our Mailing Address:

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


* If you’re an employer with 10 or less employees and don’t have an agent or broker, call 833-923-1784 or visit us here for more information.