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Overpayment Forms and Tools

The following are the different forms that are available when an overpayment has been identified.

When sending in checks to CGS please use the address below to prevent possible delays in processing claims-related payments:

DME MAC Jurisdiction B
PO Box 953479
St. Louis, MO 63195-3479

Debt Collections

If CGS has not received requested payments by 120 days after the initial demand letter the debt will then be referred to the Department of Treasury.


  • If you do not agree with an overpayment, please see our Appeals section for additional information.


  • Filed bankruptcy and need to notify CGS? Please send a copy of the bankruptcy notification given by the courts to the address below:

    PO Box 20007
    Nashville, TN 37202-0010


Location Change

  • Was there a change in company location? The National Supplier ClearinghouseExternal Website issues Medicare billing privileges to suppliers of durable medical equipment, prosthetics, orthotics, and supplies (DMEPOS), and also maintains supplier files that contain information collected via the CMS 855S enrollment formExternal PDF.

Offset Request


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