866-891-2804: CareFirst BlueCross BlueShield Provider Service

Quick answer

(866) 891-2804 reaches CareFirst Blue Cross Blue Shield Maryland (provider services). It is answered by automated phone menu. From the greeting, enter your tax ID number on the keypad.

Instead of waiting on the phone, verify benefits instantly with Substrate.

Line at a glance

Health planCareFirst Blue Cross Blue Shield Maryland
DepartmentProvider Services
PurposeCareFirst BlueCross BlueShield provider service line that identifies providers by tax ID for eligibility, benefit and claim status information.
Answered byAutomated phone menu
How to respondKeypad
Supported languagesEnglish
HoursNot stated in the greeting
Have readyTax ID number

Questions about (866) 891-2804

What does the CareFirst provider line ask for first?

Your tax ID number, entered on the telephone keypad.

Where else can providers get eligibility and claim status?

The greeting names the voice response unit, CareFirst Direct and clearinghouse self-service channels.

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.