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Defense Enrollment Eligibility Reporting System

TRICARE eligibility is determined by the information found in the Defense Enrollment Eligibility Reporting System (DEERS). You may verify or update DEERS in one of the following ways:

Add or Remove Family Members

Update Address, Email Address or Phone Number(s)

  • Log in to MilConnect
  • Call 1-800-538-9552 (TTY/TDD: 1-866-363-2883)
  • Fax updates to 1-831-655-8317
  • Mail updates to:
    • Defense Manpower Data Center Support Office
      Attn: COA
      400 Gigling Road
      Seaside, CA 93955-6771

>>Learn More About Updating DEERS

Last Updated 4/29/2014