Medicare EDI Connectivity and Network Service Vendor
Submit Medicare claims, retrieve reports and remittances, and manage contractor connections through a modern web-based portal.
Cortex EDI is an approved Medicare Network Service Vendor supporting CEDI, NGS, WPS, CGS, Palmetto GBA, Novitas, First Coast Service Options, and Noridian.
What is a Medicare Network Service Vendor?
To engage in electronic data interchange with any Medicare provider or contractor, you must connect through an approved Medicare Network Service Vendor (NSV). Cortex EDI is one of those approved vendors.
We provide practices with the HIPAA transaction submission and receipt services they need every day — including access to the FISS/DDE system for Medicare Part A, Part B, and DME claims. If you're looking for a fast, streamlined way to submit Medicare claims, choose Cortex EDI as your Medicare Network Service Vendor.
Web-based transmission
Submit files securely over the internet instead of using legacy dial-up connections.
Keep your existing software
Continue creating claims in your current billing system and transmit them without changing your workflow.
Centralized access
Retrieve reports, remittances, and acknowledgements from one place.
Medicare workflows supported
Available workflows vary by Medicare contractor and account configuration.
Claim Submission
- Transmit Medicare claims through a secure web portal
- Use PC-ACE Pro32, EZClaim, QS/1, and other existing systems
- Maintain current claim creation workflows
Reports & Remittances
- Download 999, TRN, 277CA, RPT, and 835 files
- Access historical reports without re-requesting
- Use your preferred 835 posting or printing workflow
Contractor Connectivity
- Connect to multiple Medicare contractors through one portal
- Manage file exchange without separate logins or tools
Account Access Support
- Automated password reset support where allowed
- Contractor-specific limitations clearly documented
- Note: Noridian's EDISS Gateway requires manual resets
Additional Workflows
- FISS/DDE system access where applicable
- Supports Medicare Part A, Part B, and DME configurations
Supported contractor connections
Available workflows and features vary by contractor.
Why billing teams switch
- Eliminates legacy modem-based workflows
- Works with existing billing software — no replacement needed
- Simplifies contractor connectivity across multiple MACs
- Centralizes reports and remittances in one portal
- Faster onboarding than traditional connectivity setups
- Flexible, a la carte service options
- No long-term contract required
Built for Medicare billing teams
Any organization submitting Medicare claims electronically.
CMS-certified connectivity
Certified Security
Fully compliant with CMS connectivity standards including CAQH CORE certification and rigorous security audits.
Direct Access to HETS
Connect directly to Medicare's HIPAA Eligibility Transaction System (HETS) and other CMS data centers — no intermediary delays.
FISS/DDE Access
Includes access to the FISS/DDE system for Medicare Part A, Part B, and DME claims processing.
Works With Your Existing Software
Cortex EDI operates as a standalone cloud-based network service vendor — no need to change your practice management software. Access it through a simple web portal from any browser.
Frequently asked questions
A vendor that enables providers to connect electronically to Medicare contractors for claim submission and file retrieval.
No. Cortex EDI works alongside your existing system — PC-ACE Pro32, EZClaim, QS/1, and similar software.
Common files include 999, TRN, 277CA, RPT, and 835 remittance files, depending on your account setup and contractor.
Eligibility verification is available as a separate, optional service. View eligibility verification services .
Most accounts can begin submitting claims shortly after setup is completed. Timelines may vary depending on contractor enrollment requirements.
Pair NSV connectivity with
Cortex EDI services that round out your Medicare workflow.