INSURER FILING GUIDE

Highmark Blue Cross Blue Shield (New York)

Use this public information to prepare your packet, then confirm the route on the insurer's own page.

AT A GLANCE

Claim facts

Member form	Subscriber Claim Form Number: ENR-444 Revision: 2024-01 (printed in month/year order) Open the insurer form
Portal upload	YES
Portal path	Surprise Billing > Claim and Assignment of Benefits Form Submission > submit a claim > log in; signed-in controls UNREADABLE
Mail address	Highmark Blue Cross Blue Shield, PO Box 4208, Buffalo, NY 14240
Fax	Not published by the insurer
Attachments	Patient full name; amount charged for each service or supply; date each service or supply was rendered; description of each service or supply; diagnosis or nature of illness for each service; provider or supplier name and address; prescription number and prescribing physician when applicable
Deadline	12 months for Major Medical claims under the current Highmark provider manual
Outcome and status	My Highmark > recent claims activity
Processing time	30 days for an electronically submitted clean claim; 45 days for another clean claim under New York prompt-pay rules
Caveats	Use ENR-444 for Western New York and ENR-445 for Northeastern New York. HMO and EPO out-of-network benefits are plan-dependent. Medicare Advantage and Medicaid are outside this read.

STEP BY STEP

Read date: 10-09-2026

Select the regional Subscriber Claim Form shown on the member card: ENR-444 for Western New York or ENR-445 for Northeastern New York. Complete every question. https://www.highmark.com/member/bcbswny/forms
Attach itemized bills showing patient full name, each charge and service date, each service description, diagnosis or nature of illness, provider or supplier name and address, and the named prescription details when applicable. A claim form and itemized bill are required, so a superbill alone is not enough. https://www.highmark.com/content/dam/digital-marketing/en/highmark/highmarkdotcom/member/forms/wny-forms/medical/non-medicare-subscriber-claim-wny.pdf
Open Surprise Billing, Claim and Assignment of Benefits Form Submission, select submit a claim, then log in to the My Highmark member account. The signed-in controls are UNREADABLE. https://www.highmark.com/member/bcbswny/surprise-billing
NOT PUBLISHED: accepted file types, file-size limit, maximum files, whether one PDF or separate files are expected, and submission confirmation. https://www.highmark.com/member/bcbswny/surprise-billing
Review recent claims activity in My Highmark. New York publishes 30 days for an electronically submitted clean claim and 45 days for another clean claim. https://www.dfs.ny.gov/consumers/health_insurance/rights_responsibilities

Portal upload: YES
Portal: My Highmark member account
Portal path: Surprise Billing > Claim and Assignment of Benefits Form Submission > submit a claim > log in; signed-in controls UNREADABLE
Mail address: Highmark Blue Cross Blue Shield, PO Box 4208, Buffalo, NY 14240
Fax: NOT PUBLISHED
Attach: patient full name; amount charged for each service or supply; date each service or supply was rendered; description of each service or supply; diagnosis or nature of illness for each service; provider or supplier name and address; prescription number and prescribing physician when applicable
File types: NOT PUBLISHED
File size limit: NOT PUBLISHED
Maximum files: NOT PUBLISHED
One file or separate files: NOT PUBLISHED
Confirmation: NOT PUBLISHED
Status check: My Highmark > recent claims activity
Processing time: 30 days for an electronically submitted clean claim; 45 days for another clean claim under New York prompt-pay rules
Member deadline: 12 months for Major Medical claims under the current Highmark provider manual
Deadline basis: Member contract and product control; the provider manual distinguishes claim types
Mental health route: Highmark behavioral health

Confirm the address, fax number or portal path on the insurer's own claims page before you send; read on 10-09-2026.