Healthcare

Aetna: Prior Authorization Fax Number

Submit prior authorization requests for medications, procedures, or specialist referrals.

What to include

Member ID, provider NPI, procedure/drug code, clinical notes, diagnosis codes.

Fax numbers change without notice. Verify this number against the organization's official contact page or your paperwork before you send anything sensitive. Last verified March 16, 2026.

Aetna: Prior Authorization fax number FAQ

What is the Aetna: Prior Authorization fax number?+

The fax number for Aetna: Prior Authorization is 1-855-320-8445. Numbers change without notice, so verify it against the organization's official contact page or your paperwork before sending anything sensitive.

What should I include when faxing Aetna: Prior Authorization?+

Member ID, provider NPI, procedure/drug code, clinical notes, diagnosis codes.

Can I fax Aetna: Prior Authorization online without a fax machine?+

Yes. With FaxDrop you can fax Aetna: Prior Authorization from your computer or phone, no fax machine or phone line required. Upload your document, enter the number, and send. You get two free faxes a month, up to 5 pages including the cover page.

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