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Highmark Blue Cross Blue Shield Delaware

Delaware • 48 prefixes

Also known as: Highmark BCBSD Inc., BCBS Delaware

Billing reference

Provider phone: 800-346-6262
Verified Aug 2026 · source
1 exception — check before you submit
Depends on the plan type
(844) 325-6251 — Medicaid/Highmark Health Options providers
Electronic payer ID: 00570
Verified Aug 2026 · source
2 exceptions — check before you submit
Depends on the claim type
00070 — institutional claims (UB-04)
Depends how you submit
58379 — Electronic Remittance Advices (ERAs) / ECHO Health ID for EFT/ERA
Claims mailing address: P.O. Box 1991, Wilmington, DE 19801-1368
2 exceptions — check before you submit
Other cases
P.O. Box 8831, Wilmington, DE 19899-8831 — member-submitted claims (broker guide)
P.O. Box 8832, Wilmington, DE 19899 — PWK additional documentation
Timely filing limit: 180 daysCompare all plans
Verified Aug 2026 · source
2 exceptions — check before you submit
Depends on the claim stage
455 days — corrected claims from finalization date of original claim
Other cases
730 days — member-submitted claims
Prior authorization phone: (800) 452-8507
Provider website: https://www.highmark.com

Billing Highmark Blue Cross Blue Shield Delaware from outside Delaware?

Usually you do not send the claim to Highmark Blue Cross Blue Shield Delaware. Under the BlueCard program, a provider treating a member from another Blue plan submits the claim to their own local Blue Cross Blue Shield plan, which then routes it to Highmark Blue Cross Blue Shield Delaware for processing.

The payer ID and claims address above are for filing within Delaware. Filing from elsewhere, use your local plan's details instead.
Prior authorizationis generally handled by the member's home plan — so Highmark Blue Cross Blue Shield Delaware, wherever you are.
Your timely filing limit is set by your own contract with your local Blue plan, not by the figure above. 365 days is customary but contracts vary.
To check eligibility and benefits for an out-of-area Blue member, call 1-800-676-BLUE (1-800-676-2583).

Arrangements vary by contract, and self-funded (ASO) accounts can differ — confirm with your local Blue plan before filing. See the BlueCard Program Provider Manual for the full rules.

Highmark Blue Cross Blue Shield Delaware

Billing reference

Billing Highmark Blue Cross Blue Shield Delaware from outside Delaware?

About Highmark Blue Cross Blue Shield Delaware

All 48 prefixes for Highmark Blue Cross Blue Shield Delaware