Network Participation

Blue Cross and Blue Shield of Illinois appreciates your interest in becoming a contracting provider with our health care organization. We contract with physicians, facilities and other health care professionals to ensure that our members receive accessible, cost effective and quality health care services.

In this section, you will find out the requirements for network participation, along with general information on our products and reimbursement guidelines.

Join Our Network

BCBSIL contracts with physicians, facilities and other health care professionals to form our provider networks, which are essential for delivering quality, accessible and cost-effective health care services to our members. Learn more

Welcome to Our Network!

We’re so glad you’ve chosen to join us as a participating provider. Learn more


The Centers for Medicare & Medicaid Services and the State of Illinois have contracted with BCBSIL along with other Managed Care Organizations to implement Medicaid to all counties in Illinois. BCBSIL offers two plans: Blue Cross Community Health PlansSM and Blue Cross Community MMAI (Medicare-Medicaid Plan)SM. Learn more

Medicare Advantage Plans

Blue Cross Medicare AdvantageSM plans offer all the coverage of Original Medicare — plus benefits not covered by Medicare or most Medicare Supplement insurance plans, including built-in prescription drug coverage and extra health and wellness options. BCBSIL offers both HMO and PPO, individual and group Medicare Advantage plans. Learn more


To apply for the BCBSIL products and to request an application. Learn more


Credentialing is the process by which BCBSIL reviews and validates the professional qualifications of physicians and certain other providers. Learn more

Provider Network Consultant Assignments

Our Provider Network Consultants serve as the liaison between BCBSIL and our independently contracted provider community, developing and maintaining working relationships with their assigned providers. Learn more

Verify and Update Your Information

Our members often rely upon the information in our online Provider Finder®. The federal Consolidated Appropriations Act of 2021 requires that certain provider directory information be verified every 90 days. Learn more