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Fax an Aetna appeal or complaint

For an Aetna member complaint or appeal that is not a Medicare plan, fax Aetna's Member Complaint and Appeal Form to Aetna's National Fax Number, 859-425-3379. Aetna Medicare appeals and grievances use different numbers, listed below by type.

WhoFax number
Member Complaint and Appeal Form, non-Medicare plans (medical or dental), Aetna's National Fax Number859-425-3379
Aetna Medicare Advantage (HMO, PPO, HMO-POS) medical or dental appeals: authorization and claim denial appeals (Part C Appeals)724-741-4953
Aetna Medicare Advantage expedited (fast) appeals; Aetna says to confirm by state, county and plan on its page724-741-4958
Aetna Medicare Advantage prescription drug appeals, called redeterminations (Part D Appeals)724-741-4954
Aetna Medicare Prescription Drug Plan (PDP) redeterminations (SilverScript Appeals and Coverage Determination)855-633-7673
Aetna Medicare HMO I-SNP medical or dental appeals (Aetna Duals Member Appeals)959-876-7979
Aetna Medicare grievances (complaints), listed under "Fax or mail your form"724-741-4956

Checked against Member Complaint and Appeal Form (GR-68192), Aetna, Complaints, grievances and appeals, Aetna, File an Aetna Medicare appeal, File an Aetna Medicare grievance on October 16, 2026.

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Send a fax to any US or Canadian number from your phone or computer. The steps on this page show how it will work.

  • No account or subscription
  • Pay only for pages that arrive
  • A delivery receipt for every fax

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Before you fax

  • Aetna's Medicare appeal page asks you to choose your state, county and plan to get your form and, for expedited appeals, your own phone and fax number. If that page shows a different number for your plan, use the one on the page.
  • The 859-425-3379 number is printed on Aetna's Member Complaint and Appeal Form (medical or dental). Aetna's page for non-Medicare complaints does not print a fax number itself; it says to mail or fax the form.
  • Aetna also takes non-Medicare complaints online and by phone at the number on your member ID card. Medicare appeals can be filed online, by phone or by mail.
  • Mail for non-Medicare complaints goes to Aetna, PO Box 14463, Lexington, KY 40512. Medicare appeal and grievance mailing addresses differ by type; they are on Aetna's Medicare appeal and grievance pages.
  • If someone else files for the member, Aetna's form asks for a completed Authorized Representative Form when the person is a spouse, a child 18 or older, or another relative.
  • Aetna says expedited Medicare appeals are decided within 72 hours, other authorization appeals within 30 calendar days, claim denials within 60 days and drug redeterminations within 7 days. Expedited decisions are not available for claim denials. Check your denial letter for your own filing deadline.
  • If your hospital, home health, skilled nursing or rehabilitation care is ending, a fast-track appeal goes to the Quality Improvement Organization named on your Notice of Medicare Non-Coverage, not to Aetna.

How to send it without a fax machine

  1. Pick the form: Aetna's Member Complaint and Appeal Form for a non-Medicare plan, or the Medicare form for your plan type from Aetna's appeal or grievance page. Fill it in and sign it.
  2. Add bills, letters from Aetna and anything that supports your case, and scan or photograph every page.
  3. Enter the number from the list above that matches your plan and what you are filing.
  4. Send, and keep the delivery receipt as proof of the date you sent it.

Questions

What is Aetna's fax number for member complaints and appeals?

859-425-3379, which Aetna's Member Complaint and Appeal Form calls its National Fax Number. Aetna Medicare plans use different numbers for appeals and grievances.

Where do I fax an Aetna Medicare Advantage appeal?

724-741-4953 for medical or dental appeals, or 724-741-4954 for prescription drug redeterminations, according to Aetna's Medicare appeal page. Check the page for your state, county and plan.

Where do I fax an Aetna Medicare grievance?

724-741-4956, listed on Aetna's Medicare complaint and grievance page under "Fax or mail your form".

Can I file without faxing?

Yes. Aetna takes complaints and appeals online, by phone at the number on your member ID card, and by mail.

Do the numbers change?

They can. We compare them with Aetna's pages regularly; the date we last checked is at the bottom of this page. This page is not from Aetna, and PageFax is not connected with Aetna.

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