Blue Cross Blue Shield Prior Auth Fax Number — Send Online

Searching for the Blue Cross Blue Shield fax number usually means you already have a packet to send and need a reliable way to transmit it today.

RonFax dials the number on your notice. We are not affiliated with Blue Cross Blue Shield.

Blue Cross Blue Shield fax number (verify first)

A line commonly listed for Blue Cross Blue Shield — Prior Authorization is:

(800) 282-0099 · digits: 8002820099

Department commonly listed: BCBS Prior Authorization / Appeals.

Pre-filled send page: Fax to Blue Cross Blue Shield — Prior Authorization.

Important: 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.

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

Merge into one PDF when possible. RonFax shows price before checkout ($1.99 up to 3 pages, $0.50/extra).

How to fax from your browser

1. Open Fax to Blue Cross Blue Shield
2. Confirm 8002820099 matches your official paperwork (edit if your letter differs)
3. Upload your PDF
4. Pay once and save your status URL

Also: email-to-fax (Gmail / Outlook).

Related guides

• Equifax dispute fax
• Directory of institutions
• How much does retail fax cost?

---

Confirm the fax on your official materials, then send from home in minutes.