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The ACS EDI Gateway / Maryland PMHS website:

www.acs-gcro.com/Medicaid_Accounts/Maryland_PMHS/Maryland_PMHS.html

Links from the Maryland PMHS site provide information on the following:

Contact Numbers and Addresses

EDI Support

Phone: 1-866-407-2005

The ACS EDI Support Unit assists users with questions about electronic submission. The ACS EDI Support Unit is available to all Maryland PMHS providers Monday through Friday from 8:00 a.m. to 5:00 p.m. EST. The Support Group can:

  • Provide information on available services
  • Provide technical assistance to users experiencing transmission difficulties
  • Assist in registering users for Data Exchange
  • Enroll users for claims submission
  • Provide user names and user numbers for Maryland PMHS Data Exchange
  • Verify receipt of electronic transmissions

EDI Testing Support

Phone: 1-866-407-2005

Enrollment and Trading Partner Agreement Submission

Mail ACS EDI
       Attention: Technical Support/Enrollment
       P.O. Box 34734
       Washington, DC 20043-4761

Claim Submission

Modem/Phone: Transmission numbers are 800-334-2832, 800-334-4650, 800-335-6165, or 800-335-6171.

ACS EDI Gateway provides availability for transmission 24 hours a day, 7 days a week.
There are no restrictions on the number or frequency of transmissions.
 
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