Scam Alert

CMS has become aware of a scam where perpetrators are sending faxes to physician offices posing as the Medicare carrier or Medicare Administrative Contractor (MAC). The fax instructs physician staff to respond to a questionnaire to provide an account information update within 48 hours in order to prevent a gap in Medicare payments.  The fax may have the CMS logo and/or the contractor logo to enhance the appearance of authenticity .

Medicare FFS providers, including physicians, non-physician practitioners, should be wary of this type of request. If you receive a request for information in the manner described above, please check with your contractor before submitting any information. Medicare providers should only send information to a Medicare contractor using the address found in the download section of the website found at or .



Last Updated On

May 13, 2016

Originally Published On

March 23, 2010

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