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  • Posting Date: 07/16/2025
    CO-16

    Avoiding/Correcting This Error Certain services require the name and NPI of the ordering or referring physician, depending on the service type. Definitions:  Referring physician: Requests an item or service for a Medicare beneficiary. [...]

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  • Posting Date: 07/16/2025
    OA-18

    Avoiding/Correcting This Error A duplicate claim submission occurs when a provider resubmits a claim either on paper or electronically for a single encounter and the service is provided by the same provider to the: same beneficiary; for the [...]

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  • Posting Date: 07/16/2025
    PR-31

    Avoiding/Correcting This Error Services were denied for one or more of the following reasons: The name or Medicare number was incorrect or missing. The date of death precedes the date of service. Expenses were incurred prior to coverage. [...]

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  • Posting Date: 07/16/2025
    CO-16

    Avoiding/Correcting This Error The MBI is necessary for all claims submitted to MAC. Claims without a correct MBI are rejected, requiring providers to verify and resubmit them. To avoid this, use the Eligibility Lookup in NGSConnex before [...]

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