TRICARE Information Service (Beneficiary & Program Information)

1-888-363-2273
www.tricare.osd.mil

DMDC Support Office (DEERS eligibility)

1-800-538-9552

TRICARE Mail Order Program (Pharmacy)

1-866-363-8667

TRICARE Retail Pharmacy Program

1-866-363-8779

MHS Helpdesk (Technical problems)

1-800-600-9332
210-767-5250 (direct)

OCONUS Customer Service Numbers