How To Submit Claims To CareFirst BlueCross BlueShield

Coverage: CareFirst regional provider guidance for Maryland, the District of Columbia, and parts of Virginia. Medicare Advantage and other distinct products require separate verification.

CareFirst BlueCross BlueShield claims guidance from the reviewed sources: Electronic 837 claims. Confirm the member plan and claim type before using a payer ID or paper address.

At a glance

The claim submission requirements describe electronic 837 and paper CMS-1500/UB-04 submissions. Confirm the current product route before sending claims.

Submission channels

Electronic 837 claims
Paper CMS-1500 or UB-04 claims

Electronic claims payer IDs

Not clearly published in the researched sources.

Paper claims addresses

Not clearly published in the researched sources.

Corrected claims and follow-up

Not clearly published in the researched sources.
No direct topic-specific link was captured in the current research set.

Caveats

Not clearly published in the researched sources.

Provider resources

Authorization guidance (official)
Filing guidance (official)
Claims guidance (official)

Sources

Fact	Value	Source	Confidence
Official provider guidance	The claim submission requirements describe electronic 837 and paper CMS-1500/UB-04 submissions. Confirm the current product route before sending claims.	Official	high

Update notes

Last updated: 2026-10-30.

Added the official provider manual and claim submission document.
The 365-day rule is explicitly tied to the older public document. No current all-product deadline, payer ID, or address is inferred.

Last reviewed: October 30, 2026

Sources used: 1 official