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Corporate
CGS Administrators, LLC

IVR: 877.299.7900 Customer Service and myCGS: 866.590.6727

Information You Need When Calling

When calling customer service, please be prepared to provide all pertinent information related to your inquiry at the beginning of the call including:

Please use the MBI Converter Tool to assist with entering your MBI on the keypad. This helps our representatives to best serve you.

This user guide will walk you through the questions you will be asked initially: CTI User GuidePDF

All required information can be found on your remittance advice. Customer Service representatives may not be able to assist you with your request without this information.

Before deciding to call the Customer Service department, you should be sure you have checked all available online resources for answers to your questions. These are helpful Alternatives to calling Customer Service. In many cases, the information you want is available to you 24 hours a day through our myCGS Web portal or IVR systems.

Medicare beneficiaries and their representatives should contact 1.800.MEDICARE (1.800.633.4227) for all of their questions about Medicare. 1.800.MEDICARE is available to assist beneficiaries 24 hours a day, 7 days a week. For questions specific to DME MAC, beneficiaries should ask for "Medical Supplies" or visit the Medicare.govExternal Website website.

Customer Service Representatives can assist with:

Customer Service Representatives are not able to:

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