Humana prior authorization fax number

Humana's prior authorization fax for pharmacy-benefit drugs is 877-486-2621. Provider-administered drugs go to 888-447-3430, and CoverMyMeds takes pharmacy-benefit requests online.

An old desktop fax machine with a handset and a coiled cord on a white desk

Humana's fax number for prior authorization on drugs billed through the pharmacy benefit is 877-486-2621. The Clinical Pharmacy Review line handles those requests. Provider-administered drugs go to 888-447-3430.

Which Humana fax number fits my request?

Humana's fax lines split by how a drug is billed and by the type of request, and the table below gives each number with its scope.

Fax numberWhat it covers
877-486-2621Clinical Pharmacy Review for pharmacy-supplied drugs billed through the pharmacy benefit (Medicare Part D), covering prior authorizations, step therapy, quantity limits and medication exceptions
888-447-3430Medication Intake Team for provider-administered drugs supplied and given in a physician's office and billed as a medical claim (Medicare Part B), and advance coverage determinations on listed medications on the 2026 Medicare and D-SNP list
800-266-3022Advance coverage determinations for medical services under all Humana Medicare Advantage plans, including investigational or experimental services and requests to learn whether Humana will pay

In the 2026 Medicare and D-SNP list's excerpt, the general medical-services fax is for advance coverage determinations only. Other medical-service requests go to the vendor lines the list names, which this page does not repeat. The CenterWell pharmacy fax numbers on the quick reference carry no prior authorization label, so they are not listed here.

For medical records requests rather than prior authorizations, see the Humana medical records fax number.

What should I send with a Humana prior authorization fax?

A Humana prior authorization fax goes to the line that matches the drug or service, with a cover sheet that shows your name, a return fax number and the page count. The 888-447-3430 line also handles advance coverage determinations on listed medications, so check the Humana list before you send a medication request there.

The clinical information the request needs goes with the cover sheet. For the rest of a cover sheet, see the cover sheet requirements for a HIPAA fax.

Can I submit a Humana prior authorization request online?

Yes, some Humana prior authorization requests go online through CoverMyMeds, the Cohere Health portal or Availity. CoverMyMeds handles pharmacy-benefit drug prior authorization, and the Cohere Health portal handles services that Cohere manages. Requests sent by fax still go to the lines in the table.

When a request goes by fax, how to fax a prior authorization request covers the steps.

How do I fax Humana without a fax machine?

Fax Pigeon sends the Humana fax from your browser, so the practice needs no fax machine. Upload the request and a cover sheet, and send to the Humana number in the table that matches the drug or service.

Every plan includes a signed BAA at signup, your own number and delivery proof for each fax. The Basic plan is $4.99 a month billed annually ($5.99 month to month) and includes 200 pages, sent plus received, with 10¢ for each extra page.

How do I confirm Humana received my fax?

Each fax sent to Humana from Fax Pigeon comes with delivery proof. If a fax fails or Humana changes a number, confirm the number on the Humana guides named in the footer before you send again.

* Fax numbers verified October 13, 2026, on Humana's own Prescriber Quick Reference Guide (PDF) (https://assets.humana.com/is/content/humana/Prescriber%20Quick%20Reference%20Guidepdf) and 2026 Medicare and D-SNP Prior Authorization and Notification List (PDF) (https://assets.humana.com/is/content/humana/FINAL_Medicare%20and%20DSNP%20Prior%20Authorization%20and%20Notification%20List%20-%201-1-2026pdf).

Frequently asked questions

What is the Humana prior authorization fax number?
Humana's prior authorization fax for drugs billed through the pharmacy benefit is 877-486-2621, the Clinical Pharmacy Review line. Provider-administered drugs billed as a medical claim go to the Medication Intake Team at 888-447-3430. Advance coverage determinations for medical services go to 800-266-3022.
What should I include when I fax Humana for prior authorization?
A Humana prior authorization fax goes to the line that matches the drug or service, with a cover sheet that shows your name, a return fax number and the page count. The 888-447-3430 line also handles advance coverage determinations on listed medications, so check the Humana list before you send a medication request there. The clinical information the request needs goes with the cover sheet.
Can I submit a Humana prior authorization request online instead of by fax?
Yes, some Humana prior authorization requests go online through CoverMyMeds, the Cohere Health portal or Availity. CoverMyMeds handles pharmacy-benefit drug prior authorization, and the Cohere Health portal handles services that Cohere manages. Requests sent by fax still go to the lines in the table, and Humana's prior authorization forms web page covers professionally administered drugs.
Can I send a Humana fax from a browser instead?
Yes. Fax Pigeon sends the Humana fax from your browser, so the practice needs no fax machine. Upload the request and a cover sheet, and send to the Humana number in the table that matches the drug or service. Every plan includes a signed BAA at signup, your own number and delivery proof for each fax.
How do I know Humana received my fax?
Each fax sent to Humana from Fax Pigeon comes with delivery proof. If a fax fails or Humana changes a number, confirm the number on the Humana guides named in the footer before you send again. Match each number to the claim type it covers, as the guides' scope lines show.

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