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Humana Fax Number — Fax Claims and Prior Authorizations

Humana sorts incoming faxes by function, so medical claims, prior authorization requests, enrollment forms, provider credentialing, and appeals each go to separate fax lines. There is no one number that covers every type of submission, which means the line you use depends on the document in hand. Prior authorizations in particular need clinical detail attached, since Humana reviews them against medical necessity before approving.

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Humana Fax Number

Contact Humana for claims-specific fax number

Hours: Humana claims department typically operates Monday-Friday, 8:00 AM - 6:00 PM ET.

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What You Can Fax to Humana

  • Medical claims
  • Prior authorization requests
  • Enrollment and disenrollment forms
  • Provider credentialing documents
  • Appeals and grievances
Tip: Write your Humana policy number and, where it applies, your claim number at the top of every page so the document attaches to the right record. For a prior authorization, include the diagnosis code, the procedure code, and a short clinical justification, because incomplete requests slow the review. Send through Send FAX Mail so you get a delivery confirmation that documents when Humana received your submission.

Faxing to Humana — FAQ

It depends on what you are submitting. Humana runs different fax lines for claims, prior authorizations, enrollment, and appeals, so check your policy documents or call Humana to get the number for your specific request.

Attach the diagnosis code, the procedure code, and a clinical justification along with the member's policy number. Humana checks authorizations for medical necessity, so a request missing clinical support tends to bounce back or stall.

Claims are generally processed within 30 days, while prior authorization turnaround depends on urgency. Urgent authorization requests are often decided within 24 to 72 hours of a complete submission.

A delivery confirmation gives you a timestamped record of the transmission, which is useful if a claim deadline is in question. Send FAX Mail emails that confirmation after each fax goes through.

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