What is the fax number for Cigna — Prior Authorization?

The commonly listed fax line for Cigna — Prior Authorization (Cigna Medical Review / Prior Auth) is (877) 358-6263. Always confirm on the institution’s latest instructions before you send — numbers can change.

How do I fax to Cigna — 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 Cigna — 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 Cigna — Prior Authorization?

Typical packets include: Member ID and authorization reference; Clinical summary and treatment plan; Relevant labs or imaging summaries; Completed prior auth form with signatures. Use a cover page if the institution asks for a subject or routing note.

Is this an official Cigna — 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 Cigna — Prior Authorization. Verify requirements on their official site when unsure.

Fax to Healthcare & prior auth

How to Fax to Cigna — Prior Authorization: Step-by-Step Guide

Healthcare & prior auth

Cigna — Prior Authorization

Bloomfield, CT

Verified Mar 2026

Fax number

(877) 358-6263

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

Send this fax online →

What to include

✓Member ID and authorization reference
✓Clinical summary and treatment plan
✓Relevant labs or imaging summaries
✓Completed prior auth form with signatures

Send your fax

Quick info

Department: Cigna Medical Review / Prior Auth

Fax line: (877) 358-6263

Reference authorization or case number if assigned
Include treating provider contact on cover sheet
Minimize PHI — fax only what Cigna requests

Confirm fax line on your Cigna prior authorization or appeal letter.

Prerequisites — what to prepare

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

✓Member ID and authorization reference
✓Clinical summary and treatment plan
✓Relevant labs or imaging summaries
✓Completed prior auth form with signatures

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).

Combine clinical packet into one PDF.
Double-check destination fax on Cigna materials.
Upload to RonFax and complete secure checkout.

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Frequently asked questions

What is the fax number for Cigna — Prior Authorization?: The commonly listed fax line for Cigna — Prior Authorization (Cigna Medical Review / Prior Auth) is (877) 358-6263. Always confirm on the institution’s latest instructions before you send — numbers can change.
How do I fax to Cigna — 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 Cigna — 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 Cigna — Prior Authorization?: Typical packets include: Member ID and authorization reference; Clinical summary and treatment plan; Relevant labs or imaging summaries; Completed prior auth form with signatures. Use a cover page if the institution asks for a subject or routing note.
Is this an official Cigna — 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 Cigna — Prior Authorization. Verify requirements on their official site when unsure.

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