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Contact EDI Support Services

All hours of Operation are listed in Central Standard Time.

EDI Support Services Holiday Schedule


EDI Support Services Help Desk



Hours of Operation

Monday - Friday 8:00 A.M. - 7:00 P.M. (CT)
Wednesday Closed for training: 10:00 A.M. - 11:30 A.M. (CT)



Mailing Address

EDI Support Services
PO Box 6729
Fargo, ND 58108-6729


For non-critical questions or issues:
For concerns or praise to EDISS management:

Be sure to include the following when contacting us via email:

  • Your name
  • Business name and location
  • Business phone number and extension
  • Complete description of your issue

To ensure delivery to your inbox, please add these addresses to your address book or safe list.

Do not e-mail requests to EDISS for issues such as the status of a claim or remittance or questions about claim processing and denials. EDISS does not handle such inquiries.


Region D DME Contact Information

National Government Services
8:00 a.m. - 8:00 p.m. (CT)


CMS EDI Education