Last Modified: 9/12/2019
Location: FL, PR, USVI
Business: Part B
Q. What do I do if I have been overpaid because of a duplicate primary payment?
A. Medicare Secondary Payer (MSP) overpayments are processed differently than non-MSP overpayments and require a refund to be sent within sixty days of receiving a duplicate payment. Complete the appropriate Medicare Secondary Payer overpayment refund form (see below) and attach a check for the overpaid amount. In addition, the other insurer’s explanation of benefits is required for every claim involved.
Source: Code of Federal Regulations, 42 CFR 411.24
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