Skip to main content

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 and Group Inquiries

1-855-649-9653

Group Billing and Accounts Receivable

1-800-414-7147

Prescription Inquiries (Prime Therapeutics®)

1-800-423-1973

BlueCare Dental

1-866-739-4090

Summary of Benefits and Coverage Request Line

1-855-756-4448

Blue Access for Employers Help Desk

1-888-706-0583
Monday – Friday: 7:00 a.m. – 10:00 p.m. CT
Saturday: 7:00 a.m. – 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 1-833-923-1785 or visit us here for more information.