Picture of a hand signing documents. Text reads: Contact the E F M P office at your local installation for assistance with enrollment and completion of forms. The D D Form 2792 is completed by the family member's medical provider and the D D Form 2792-1, required for all school-aged children, is completed by a school official. If you are not stationed near a Marine Corps base, please contact Headquarters Marine Corps (H Q M C) E F M P at (703) 784-0298 for assistance. An update is required every three years or sooner if conditions change.