What is the fax number for Blue Cross Blue Shield — Prior Authorization?

The commonly listed fax line for Blue Cross Blue Shield — Prior Authorization (BCBS Prior Authorization / Appeals) is (800) 282-0099. Always confirm on the institution’s latest instructions before you send — numbers can change.

How do I fax to Blue Cross Blue Shield — Prior Authorization online without a fax machine?

Open the send form on this page (number is pre-filled), upload a PDF or image, pay, and RonFax transmits the fax for you. You’ll get a status page and email confirmation when delivery completes.

How much does it cost to send a fax to Blue Cross Blue Shield — Prior Authorization?

RonFax is pay-as-you-go: $1.99 covers up to 3 pages, then $0.50 per extra page. No monthly plan required.

What should I include when faxing Blue Cross Blue Shield — Prior Authorization?

Typical packets include: Subscriber/member ID and group number; Patient name, DOB, and diagnosis codes; Provider NPI and facility information; Clinical documentation per plan requirements. Use a cover page if the institution asks for a subject or routing note.

Is this an official Blue Cross Blue Shield — Prior Authorization page?

No — this is an independent send guide from RonFax. We help you transmit documents to the listed number; we are not affiliated with Blue Cross Blue Shield — Prior Authorization. Verify requirements on their official site when unsure.

Fax to Healthcare & prior auth

How to Fax to Blue Cross Blue Shield — Prior Authorization: Step-by-Step Guide

Healthcare & prior auth

Blue Cross Blue Shield — Prior Authorization

Chicago, IL

Verified Mar 2026

Fax number

(800) 282-0099

Pre-filled below — send online in about a minute. No fax machine.

Send this fax online →

What to include

✓Subscriber/member ID and group number
✓Patient name, DOB, and diagnosis codes
✓Provider NPI and facility information
✓Clinical documentation per plan requirements

Send your fax

Quick info

Department: BCBS Prior Authorization / Appeals

Fax line: (800) 282-0099

Use the fax number on your specific BCBS plan form — not a generic list
Include subscriber ID and group number
Attach payer-specific prior auth form

BCBS is a federation of independent plans — fax numbers vary by state and line of business. Always use the number on your member or provider materials.

Prerequisites — what to prepare

Before you fax Blue Cross Blue Shield — Prior Authorization, gather these items into one PDF when possible:

✓Subscriber/member ID and group number
✓Patient name, DOB, and diagnosis codes
✓Provider NPI and facility information
✓Clinical documentation per plan requirements

Step-by-step — send via RonFax

No fax machine required. Pay once from $1.99 for up to 3 pages ($0.50 per extra page).

Confirm BCBS fax number from your plan's prior auth form.
Prepare one PDF with form + supporting notes.
Send with RonFax — track delivery on your status page.

Back to send form ↑

Frequently asked questions

What is the fax number for Blue Cross Blue Shield — Prior Authorization?: The commonly listed fax line for Blue Cross Blue Shield — Prior Authorization (BCBS Prior Authorization / Appeals) is (800) 282-0099. Always confirm on the institution’s latest instructions before you send — numbers can change.
How do I fax to Blue Cross Blue Shield — Prior Authorization online without a fax machine?: Open the send form on this page (number is pre-filled), upload a PDF or image, pay, and RonFax transmits the fax for you. You’ll get a status page and email confirmation when delivery completes.
How much does it cost to send a fax to Blue Cross Blue Shield — Prior Authorization?: RonFax is pay-as-you-go: $1.99 covers up to 3 pages, then $0.50 per extra page. No monthly plan required.
What should I include when faxing Blue Cross Blue Shield — Prior Authorization?: Typical packets include: Subscriber/member ID and group number; Patient name, DOB, and diagnosis codes; Provider NPI and facility information; Clinical documentation per plan requirements. Use a cover page if the institution asks for a subject or routing note.
Is this an official Blue Cross Blue Shield — Prior Authorization page?: No — this is an independent send guide from RonFax. We help you transmit documents to the listed number; we are not affiliated with Blue Cross Blue Shield — Prior Authorization. Verify requirements on their official site when unsure.

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