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  • Posting Date: 04/22/2021
    Provider Contact Center

    Provider Contact Center Table of Contents Want to talk to us? Make the Most of Your Call Customer Care Representative Assistance Interactive Voice Response System NGSConnex Online Inquiry System Freedom of Information Act (FOIA) [...]

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  • Posting Date: 02/12/2019
    FISS/DDE

    Fiscal Intermediary Standard System/Direct Data Entry DDE is a process that allows remote users online connectivity to the FISS, or mainframe, used by National Government Services to process Medicare claims. FISS/DDE connectivity will allow [...]

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  • Posting Date: 04/01/2020
    EDI Help Desk Information

    EDI Help Desk Information Toll-Free Number Jurisdiction 6: 877-273-4334 Jurisdiction K: 888-379-9132 Hours of Operation Monday–Friday: 8:00 a.m.–5:00 p.m. ET * Closed for training on the 2nd and 4th Friday of the month from 12:00–4:00 [...]

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  • Posting Date: 06/23/2025
    How to Obtain a Refund

    A refund will only be granted in the following instances: The application fee was not required for the application submitted A hardship request was subsequently approved and a fee was paid An application was rejected prior to the screening [...]

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