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Update Your DEERS Information

It is essential that you keep information in the Defense Enrollment Eligibility Reporting System (DEERS) up to date for you and your family. DEERS is a computerized database of uniformed service members (active duty and retired) worldwide, their family members, and others who are eligible for military benefits including TRICARE. Proper and current DEETS registration is key to receiving timely, effective TRICARE benefits including doctor’s appointments, prescriptions, payment of health care expenses, authorization letters, and explanations of benefits.

The following are the options to update your DEERS information.

In Person1(add a family member of update contact information) Visit a local identification card issuing facility: find the facility near you at, then call to verify location and business hours
Phone2 1-800-538-95521-866-363-2883 (TSS/TTY)
Fax2 1-831-655-8317
Mail2 Defense Manpower Data Center Support Office, 400 Gigling Road, Seaside, CA 93955-6771
Online2 milConnect website:
  1. Only sponsors (or those appointed power of attorney) can add a family member. Family members age 18 and older may update their own contact information.
  2. Use these methods to change contract information only.

For more information about TRICARE, visit their website: