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Military Health System

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Theater Medical Data Store

The Theater Medical Data Store (TMDS) provides web-based access to service member information collected at theater based medical treatment facilities (MTFs) using AHLTA-Theater, Shipboard Automated Medical System (SAMS), Global Expeditionary Medical System (GEMS), and Caché TC2.

Individuals seeking access to this data must request a TMDS user account by filling out this registration form. Account requests must be reviewed and validated before user accounts are created. User accounts are usually validated and activated within 48 hours of the request.

  • If you have questions, send an email message to the TMDS Helpdesk.
  • To register for a TMDS account, go to the TMDS Portal and click on the "Need Access?" button

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Fact Sheet
Jul 30, 2019

Theater Medical Data Store Fact Sheet

.PDF | 824.23 KB

Theater Medical Data Store (TMDS) is a Non-Classified Internet Protocol Router Network (NIPRNet)-based web system that allows providers to view and document a patient’s complete operational electronic health record by compiling his/her health history from various electronic military health care systems within the operational environment.

Last Updated: July 08, 2024
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