Customer Service Toll Free Access Number*
Toll-free lines may not be available for all mobile phone carriers overseas.
Customer Service Phone Numbers
International SOS will provide 24/7 Customer Service and Support for TRICARE Overseas Beneficiary Enrollment and Provider Education/Assistance. Please use the phone numbers listed below if you require assistance with this information.
Toll free is not an option in every location. If a toll free number is not listed below, please use our regional direct customer service number. If toll free is available and there is an access number listed below, please dial the access number prior to dialing the toll free number.
International SOS provides 24/7 support for TRICARE Overseas Beneficiaries, when they need urgent or emergent care or request medical assistance.
Medical Assistance Toll FreeNot Available
Medical Assistance Toll Free Access Number
Assistance Center Fax Number
Claims Submission, Tracking & Payment
International SOS provides 24/7 Claims Submission, Tracking and Payment support for TRICARE Overseas Beneficiaries and Providers. Use the contact information listed below for all Claims-related inquiries.
Claims Processing Mailing Address for Active Duty Service Members
Claims Processing Mailing Address for All Other Beneficiaries
Claims Fax Number
Enrollment & Beneficiary Education
TRICARE Overseas Beneficiaries can use the mailing address listed below for all TRICARE Overseas Program (TOP) correspondence.
Mailing Address for TRR, TRS, TYA Select and TRICARE Select Overseas Enrollments
Mailing Address for TRICARE Prime Overseas, TRICARE Prime Remote Overseas and TYA Prime Enrollments
Enrollment Email AddressTRICAREenrollments@top.internationalsos.com
TRICARE Overseas Providers can use the following email address for contacting International SOS' TOP Regional Assistance Network offices.
Grievances, Complaints & Compliments
TRICARE Overseas Beneficiaries and Providers can use the mailing address listed below to submit grievances, complaints or compliments regarding any perceived TOP health care delivery failures or concerns.
Mailing Address for Grievances, Complaints & Compliments
Email Address for Grievances, Complaints & ComplimentsTOPGlobalQualityAssu@internationalsos.com
*Note: Applies only to those countries that require an access code. Dialing instructions for 877-563-9228 Customer Service toll-free number: dial the AT&T Direct Code first and then the toll-free number. If the Direct Code does not work, you may also need to dial the Country Code (which appears in parenthesis) after the Direct Code, before the Customer Service toll-free number. 877-562-9228 is not a toll-free number that can be dialed from the U.S.