800-621-0965: Blue Cross and Blue Shield of Illinois Medical Management

Quick answer

(800) 621-0965 reaches Blue Cross and Blue Shield of Illinois (medical management department). It is answered by automated phone menu. From the greeting, press 1 or say “provider” for healthcare provider; say “member” for member.

Line at a glance

Health planBlue Cross and Blue Shield of Illinois
DepartmentMedical Management Department
PurposeMedical management line for Blue Cross and Blue Shield of Illinois where providers request outpatient, inpatient, home health, referral and behavioral health authorizations.
Answered byAutomated phone menu
How to respondKeypad or voice
Supported languagesEnglish
HoursNot stated in the greeting
Have readyRendering NPI or HMO site number, Billing NPI

Shortcuts and conditional instructions

Skip the call

Questions about (800) 621-0965

How do providers reach the authorization menu?

Say 'provider' or press 1, then say outpatient, authorization or behavioral health, or press 1, 2 or 3.

What does the behavioral health option ask for?

Your 10-digit NPI or HMO site number. Eligibility and benefits need the rendering NPI or HMO site number; claims and other inquiries need the billing NPI.

What happens after choosing outpatient or authorization?

The line asks whether the patient is a member of the Federal Employee Program: say yes or press 1, or say no or press 2.

Can I submit authorizations online?

The line suggests the authorization and referral option on the Availity portal, which also has a status dashboard.

Disclaimer

The information provided on this page is for general informational purposes only and does not constitute billing, coding, or reimbursement advice. Nothing on this page should be relied upon as a substitute for clinician assessment, professional billing guidance, or as a definitive statement of any payor's billing requirements or policies.

Payor agreements, fee schedules, and billing policies vary and are subject to change. Before submitting any claims related to maternity care services, including claims affected by the 2027 CPT code revisions, please consult the applicable payor agreements, coverage policies, and billing guidelines to confirm current requirements for their specific payor contracts.

Substrate makes no representation or warranty regarding the accuracy, completeness, or timeliness of the payor-specific information presented here. Providers are solely responsible for ensuring that all claims are submitted in accordance with applicable payor requirements, and Substrate assumes no liability for claim denials, underpayments, or other adverse outcomes arising from reliance on this information.