EDI: How long are Electronic Remittance Advices (ERAs) available in my mailbox?

EDI: How can I tell if I am set up for electronic billing?

EDI: How do I restore a remit file?

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 [...]

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 [...]

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 [...]

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 [...]

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 [...]

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 [...]

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 [...]

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 [...]

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 [...]

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 [...]

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. [...]

CO-109

Avoiding/Correcting This Error Palmetto GBA is the Medicare Administrative Contractor for processing claims of railroad retirees, regardless of their location. Providers and suppliers must verify patients' Medicare entitlement before [...]

Coverage Criteria and Frequency Limits

Coverage Criteria and Frequency Limits Table of Contents Counseling to Prevent Tobacco Use Diagnosis Coding Cost Sharing Reimbursement Nonparticipating Providers Related Content [Return to Top] Counseling to Prevent Tobacco Use [...]

Counseling to Prevent Tobacco Use and Tobacco Related Diseases Job Aid

April 2025 EDI Front End Quarterly Release

April 2025 EDI Front End Quarterly Release Please be advised that while the Centers for Medicare & Medicaid Services mandated release for April 2025 was installed the weekend of 4/6/2025, the code set updates included with this release [...]

April 2025 EDI Front End Quarterly Release

April 2025 EDI Front End Quarterly Release Please be advised that while the Centers for Medicare & Medicaid Services mandated release for April 2025 was installed the weekend of 4/6/2025, the code set updates included with this release [...]

April Code Set Update for PC Print: April 2025

April Code Set Update for PC Print: April 2025 The PC Print April code set update will be available on our website 4/9/2025. The update contains the following enhancements:    CR13891 Implement Operating Rules – Phase III [...]