International SOS Government Medical Services
International SOS Government Medical Services is the managed care support contractor for the TRICARE Overseas Program (TOP), providing healthcare administration and support for active duty service members, retirees, and their families stationed or living outside the United States. International SOS manages the overseas provider network, processes claims, and coordinates care across Europe, the Pacific, Latin America, Canada, and other regions worldwide.
Contact Information
Eurasia-Africa (from U.S.)
1-877-678-1207Eurasia-Africa (overseas)
+44-20-8762-8384Pacific (from U.S.)
1-877-678-1208Pacific (overseas)
+65-6339-2676Latin America/Canada (from U.S.)
1-877-451-8659Latin America/Canada (overseas)
+1-610-421-5076TOP Nurse Advice Line
1-800-874-2273Website
www.tricare-overseas.comOnline Portal
Login / Self-ServiceService Regions
- TRICARE Overseas Program (TOP)
- Europe, Middle East, and Africa
- Pacific and Southeast Asia
- Latin America and Canada
Claims Mailing Address
International SOS, TRICARE Overseas Program, P.O. Box 7985, Madison, WI 53707-7985
Services Offered
- TRICARE Overseas Program administration
- Overseas provider network management
- International claims processing
- Medical evacuation coordination
- Overseas appointment assistance
- Nurse Advice Line (24/7)
- Translation and interpretation services
- Host nation provider coordination
- Emergency care authorization
- Overseas pharmacy support