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Top EDI Enrollment Errors

The Electronic Data Interchange (EDI) enrollment process is key for you to transmit and receive important 837/835 file information.

To avoid any delays or issues with your setup, please review the most common EDI enrollment errors and resolutions.

Error Resolution

EDI Enrollment Agreement:
Not on file or missing the provider's authorized official signature

  • Submit an EDI Enrollment Agreement Form for each new Provider Transaction Access Number (PTAN) enrollment.
  • Make sure the authorized official's handwritten signature is present before you submit the form.

EDI Application:
No Group PTAN/NPI

To enroll an individual with a group, report the group PTAN and National Provider Identifier (NPI), not the individual's.

Illegible PDF forms

Type in the form fields. Then, save, print, and sign (if required).

All information (including PTAN, NPI, address, and CGS script), must be legible to bind the agreement and complete the setup.

EDI Application:
Incorrect Line of Business

Select the appropriate option (HHH, KY Part A, OH Part A, KY Part B, OH Part B) for the PTAN listed.

Provider Authorization Form:
Not submitted or missing a handwritten signature and/or tax identification number (TIN)

When you submit the EDI Application, the Provider Authorization Form displays in a separate window. Type the group's TIN, save, print, and sign. Fax within 7 days of submitting the initial EDI application.

Access applications, forms, and instructions at:

Use our interactive self-service tool as a step-by-step guide through the complete EDI enrollment process:

Published: 07.09.2026

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