Contact CAG

Contact CAG

If you are a Medicare beneficiary, and need general Medicare information, information about health plans, or instructions for ordering Medicare booklets, please call Medicare's 24-hour helpline toll-free at 1-800-Medicare (1-800-633-4227). TTY users should call 1-877-486-2048.  You can also visit

For more information on submitting a request for an NCD review, please see our August 7, 2013 Federal Register notice (PDF) or our page on the Medicare Coverage Determination Process.  If you need further assistance regarding NCD requests, please email

If you would like to submit a comment on a National Coverage Analyses or a Coding Analyses for Labs, please see our Public Comments page.


You may use the link below for questions related to Medicare coverage only. Please note that we are unable to respond to questions unrelated to Medicare coverage via this "Contact Us" resource.

Page Last Modified:
09/06/2023 04:51 PM