Highmark Blue Cross Blue Shield

How To Submit Claims To Highmark Blue Cross Blue Shield

Provider-side claims submission guidance for Highmark Blue Cross Blue Shield, including channels, payer IDs, paper addresses, and follow-up resources.

For Highmark Blue Cross Blue Shield, the practical claims workflow usually starts with electronic submission guidance and only falls back to paper instructions when the payer documents a mailing address for specific claim types or exceptions. The details below keep the workflow broad instead of reducing it to a single address.

At a glance

  • Highmark strongly steers providers to electronic submission via Availity Essentials. Claim status and claim inquiries are also handled in Availity, and claim inquiries are required through Availity for providers in Delaware, New York, Pennsylvania, and West Virginia. Paper claim submission remains available for some situations and uses region-specific mailing addresses.

Submission channels

  • Availity Essentials electronic claims submission
  • EDI integration / clearinghouse pathways
  • Paper mail for claims that cannot be submitted electronically
  • Provider Service Center / IVR for status information
  • Availity claim status and claim inquiries

Electronic claims payer IDs

  • Not clearly published in the researched sources.

Paper claims addresses

  • Pennsylvania: Highmark Blue Shield / Highmark mailing addresses vary by product; the reviewed public sources did not yield one single universal paper-claim address
  • Delaware: Highmark Blue Cross Blue Shield Delaware, P.O. Box 8830, Wilmington, DE 19899-8830
  • West Virginia: Highmark Blue Cross Blue Shield West Virginia, P.O. Box 7026, Wheeling, WV 26003
  • New York (Western/Northeastern NY examples in reviewed sources): P.O. Box 4208, Buffalo, NY 14240
  • Medicare Advantage paper addresses also vary by state and were listed separately in the Provider Manual

Corrected claims and follow-up

  • Do not submit a corrected claim before the original claim is finalized if no changes are being made or if provider/patient information needs to be changed.

  • New York corrected claims ending in 7 must be received within 365 days of the original claim processing date.

  • For secondary claims, attach the EOB and, where applicable, submit electronically using the proper CAS code segments.

  • Claims status resource 1

  • Claims status resource 2

  • Claims status resource 3

Caveats

  • Paper claim addresses vary by region, product, and bill type; only some addresses were confirmed from accessible public sources.
  • Some provider manual PDF content was not directly accessible, so only text surfaced in indexed pages was used.
  • Electronic claim transaction details can differ by state and product.

Provider resources

Sources

FactValueSourceConfidence
Availity for electronic claimsHighmark uses Availity Essentials for electronic claims submission, claim status, and claim inquiry functions.Officialhigh
Claim inquiries through Availity requiredSubmitting claim inquiries via Availity is required for all providers in Delaware, New York, Pennsylvania, and West Virginia.Officialhigh
Electronic claim statusClaim Status in Availity provides real-time detailed claims information for any Highmark member, whether claims were submitted electronically or on paper.Officialhigh
Paper claim addresses examplesDelaware and West Virginia paper claim addresses were listed in the Provider Manual; New York examples were listed for Western/Northeastern NY and Medicare Advantage in indexed manual pages.Officialmedium

Last reviewed: March 27, 2026

Sources used: 2 official