Last Modified: 6/29/2020
Location: FL, PR, USVI
Business: Part A
Q. Does the Medicare administrative contractor (MAC) have the ability to track my EIDM (enterprise identity management system) registration process and to help me resolve registration issues?
A: No. You must contact the external user services (EUS) help desk regarding all EIDM registration issues.
The EUS help desk contact information:
Toll-Free Telephone: 1-866-484-8049 (Monday-Friday, 7:00 a.m.-7:00 p.m. eastern time [ET])
TTY/TDD: 1-866-523-4759 (Monday-Friday, 7:00 a.m.-7:00 p.m. ET)
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First Coast Service Options (First Coast) strives to ensure that the information available on our provider website is accurate, detailed, and current. Therefore, this is a dynamic site and its content changes daily. It is best to access the site to ensure you have the most current information rather than printing articles or forms that may become obsolete without notice.