EDI: I heard that 5010 requires a physical address in box 33 and P.O. boxes are no longer accepted. Is this true?

EDI: I am receiving the following Claim Status Code and EIC code on my 277CA. What do these codes mean?

EDI: I received my application back with errors on my Provider Authorization Form. Can I correct it or will I have to complete an entirely new application and authorization form?

EDI: What is a Network Service Vendor (NSV)?

EDI: I am missing an Electronic Remittance Advice (ERA). How do I order a duplicate?

EDI: I am receiving the following CSC and EIC code on my 277CA. How do I make the correction?

EDI: What PTAN should I enter on the EDI enrollment forms if the provider is a member of a group?

EDI: What Entity Name should I enter on the EDI Enrollment Agreement form?

EDI: What information do I need to have available when calling for Electronic Data Interchange (EDI) assistance?

EDI: Will you reject claims where the group number and policy number are the same values?

EDI: Where in the 277 CA file can we find the rejection message that provides the detailed rejection reason description?

EDI: What is an Approved Entity?

EDI: What provider address should I include on the EDI enrollment forms?

EDI: When is a provider authorization form required?

LCD NCD: How do I search for an LCD if I do not know the LCD number?

EDI: Will you reject claims with a P.O. Box in the billing provider address?

LCD NCD: How do I find LCDs?

LCD NCD: Does NGS offer any other LCD resources?

LCD NCD: How do I find out if an LCD or medical coverage policy has changed in my jurisdiction?

LCD NCD: How can I view and comment on proposed LCDs?

LCD NCD: What are Medical Policy Articles?

LCD NCD: Can I request a change be made to a current LCD?

Medical Review: Targeted Probe and Educate Review Topics

Jurisdiction K Part A Targeted Probe and Educate: Medical Review Topics Topic CPT Code(s) Common Denials Resources Debridement, subcutaneous tissue (includes epidermis and dermis, if performed) 11042, 11045 [...]

About Appeals

About Appeals Table of Contents About Appeals Reopening vs. Redetermination Reopening Redetermination [Return to Top] About Appeals Providers and beneficiaries have the right to appeal claim determinations made by National [...]

REMITTANCE: What do the two-letter codes on my remittance advice mean?

REMITTANCE: Can I post the electronic remittance advice information into my accounts receivable system?

REMITTANCE: If I have a computer problem while trying to download my electronic remittance advice, can I have it reposted to download again?

REMITTANCE: Do I need special computer software to use the electronic remittance advice?

PC-ACE: Where can I find out more about the PC-ACE free billing software?

REMITTANCE: How long will I receive paper remittances once I sign up for the electronic remittance advice?

PC-ACE: Why did my PC-ACE software expire?

PC-ACE: How do I determine the version of PC-ACE I am using?

PC-ACE: How often is the PC-ACE software upgraded?

PC-ACE: Why am I receiving security rights error/issue when installing PC-ACE?

About Us

National Government Services, Inc., a subsidiary of Elevance Health, Inc., has a long history of supporting federal health agencies, including CMS. Throughout the country, NGS has served as a Medicare contractor since the inception of the [...]

LCD NCD: What are the differences between LCDs and NCDs?

PC-ACE: Is there a resource I can use to assist me with Medicare Secondary Payer (MSP) claims when using PC-ACE?

PC-ACE: Where can I find out more about the PC-ACE free billing software?

PC-ACE: How do I correct a web browser error when downloading or making changes to the software?

CAR-T: Will the Part A claim for CAR-T deny if it is submitted with the KX modifier?

CAR-T: Is Risk Evaluation and Mitigation Strategy (REMS) verified by the facility’s site name or address?

CAR-T: Is the KX modifier required for Part A and Part B claims?

CAR-T: What is the effective date for the requirement of the KX modifier for administration of CAR-T?

EDI: Is the 277CA returned for each test submission?

EDI: After I receive a 277CA will I receive anything else?

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 [...]

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 [...]

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 [...]

Social Security Income Ratios

Social Security Income Ratios The federal fiscal year 2023 SSI ratios for IPPS hospitals, IRF and LTCH were posted on the CMS website. IPPS IRF LTCH NGS will update the latest published 2023 SSI ratios in the Provider Specific File of [...]

Top J6 Part B Claim Errors are Available

Top J6 Part B Claim Errors are Available We conduct a comprehensive data analysis on a quarterly basis to update and disseminate the latest insights on the most common claim errors. This initiative provides: Claim Error Reason Code [...]

38200

Avoiding/Correcting This Error Always verify the status of a submitted claim before submitting another claim. Verify claim status using the IVR system, FISS/DDE or the NGSConnex online portal. Per CMS mandate, PCC representatives are not [...]

38312

Avoiding/Correcting This Error If appropriate, correct and resubmit a new claim.   To prevent this error on future claims: Ensure you have received all charges from all departments and that no claim has been submitted for the same DOS [...]