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  • Posting Date: 10/27/2022
    Provider Enrollment

    Medicare Part B 101 Manual Provider Enrollment Table of Contents National Provider Identifier Required Tips for Successfully Enrolling with the Medicare Part B Contractor When Mailing Paper Applications Tip 1: Submit the correct [...]

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  • Posting Date: 12/09/2019
    CMS Is Using Multi-Factor Authentication Process for Online Provider Enrollment System Applications

    CMS Is Using Multi-Factor Authentication Process for Online Provider Enrollment System Applications CMS announced they utilize an MFA process for users of their Provider Enrollment Systems.  MFA is a second layer of security used to [...]

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  • Posting Date: 03/31/2025
    National Government Services Medicare Part B Redetermination Notice Initiative Is Here

    National Government Services Medicare Part B Redetermination Notice Initiative Is Here As previously announced, National Government Services is pleased to announce we are discontinuing issuing paper MRNs for requests submitted electronically [...]

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  • Posting Date: 04/04/2025
    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: 08/10/2020
    Learn About PECOS Web

    Learn About PECOS Web Table of Contents CMS Provider Enrollment Systems Advantages of Online Enrollment Get Started Other Resources Get Access Password Requirements Multi-Factor Authentication Get Help [Return to [...]

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  • Posting Date: 12/02/2021
    Credentialing, Enrollment and Revalidation

    Credentialing, Enrollment and Revalidation Table of Contents Requirements Facilities that are not qualified Qualifications Application Forms You Will Need Required Application Fee Documentation State Survey, Tie-in Notice [...]

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  • Posting Date: 04/04/2025
    CO-16

    Avoiding/Correcting This Error This denial message is specific to chiropractic claims with CPT/HCPCS codes that are not billable by Medicare enrolled chiropractors. Medicare Part B coverage for chiropractic care is limited to spinal [...]

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  • Posting Date: 04/04/2025
    CO-16

    Avoiding/Correcting This Error This rejection is the result of submitting a CPT/HCPCS code without a required modifier. You are required to research the proper modifier to report with the CPT/HCPCS code then submit a new claim. Please use [...]

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  • Posting Date: 04/04/2025
    CO-16

    Avoiding/Correcting This Error The billing provider's information on the claim is missing or invalid. To avoid this error, ensure the following details are accurate and included: the billing provider's NPI, name, address, ZIP code and phone [...]

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  • Posting Date: 04/04/2025
    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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