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Highmark Blue Cross Blue Shield of Western New York

New York • 301 prefixes

Also known as: Highmark Western NY, Highmark Blue Cross Blue Shield Western NY

Billing reference

Provider phone: 1-866-231-0847
Verified Aug 2026 · source
2 exceptions — check before you submit
Depends on the claim type
(866) 803-3708 — Facility Providers (national Highmark site)
(866) 731-8080 — Professional Providers (national Highmark site)
Electronic payer ID: 00246
Verified Aug 2026 · source
4 exceptions — check before you submit
Depends on the region
00800 — Blue Shield of Northeastern New York (separate entity)
Depends how you submit
55204 — ECHO Health remittance/ERA transactions
Changes on a date
00301 — legacy Western New York routing
00801 — legacy Western New York routing
Claims mailing address: P.O. Box 15013, Albany, NY 12212
Timely filing limit: 365 daysCompare all plans
Verified Aug 2026 · source
3 exceptions — check before you submit
Depends on the plan type
365 days — Medicare Advantage (following CMS timelines)
Depends on your network status
450 days — nonparticipating providers
Changes on a date
455 days — corrected claims (effective Sept 1, 2026)
Prior authorization phone: (800) 547-3627
Provider website: https://providerpublic.mybcbswny.com/western-new-york-provider/home

Billing Highmark Blue Cross Blue Shield of Western New York from outside New York?

Usually you do not send the claim to Highmark Blue Cross Blue Shield of Western New York. 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 of Western New York for processing.

The payer ID and claims address above are for filing within New York. 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 of Western New York, 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 of Western New York

Billing reference

Billing Highmark Blue Cross Blue Shield of Western New York from outside New York?

About Highmark Blue Cross Blue Shield of Western New York

All 301 prefixes for Highmark Blue Cross Blue Shield of Western New York