Medicare Fax Guide
How to Fax Medicare Administrative Documents Online
This guide covers how to fax Medicare administrative documents online—like enrollment updates and general correspondence—without including medical details or PHI.
Medicare (through CMS and related contractors) sometimes accepts documents by fax for administrative purposes such as enrollment updates, address changes, premium billing questions, and general correspondence.
This guide focuses on faxing administrative-only documents. For anything involving medical claims, diagnoses, or treatment details, use the official secure channels listed in your Medicare materials.
Send Medicare administrative paperwork
Use the on-page form to send non-medical documents only.
Identify the Correct Medicare Fax Destination
Use the fax number found on your Medicare or plan letter for administrative topics like enrollment, billing questions, or general correspondence. Do not use clinical claim or medical record fax lines for non-medical documents.
Prepare Non-Medical Medicare Documents
Limit your PDF to administrative information such as contact updates, enrollment choices, or simple explanation letters. Avoid including diagnoses, treatment history, or detailed medical claim data.
Fax Medicare Administrative Documents Online
Upload your prepared PDF using the secure form on this page, enter the appropriate Medicare administrative fax number, and submit your non-medical documents for processing.
Related Resources
Send Medicare Administrative Paperwork by Fax
Quickly fax non-medical documents using the form on this page.
Quick Fax Checkout
Important: TidyFax is a general-purpose faxing tool. It is not intended for transmitting HIPAA-regulated medical information. Please avoid sending PHI or confidential patient data through this service.