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The Office of International Affairs is located on the Main Quad at 450 Serra Mall, Wallenberg Hall, Building 160, room 239. For a map view of our office location, refer to this page. You can also reach us by phone at 650-723-3174 or 650-723-3016.

Emergency ISOS

For all non-medical emergencies, call ISOS below. For medical emergencies, contact your provider.

International SOS (ISOS)

For faculty and staff (or students not covered by On Call or postdocs not covered by Medex)

Membership: #11BCPA000272

Call +1-800-523-8930 or to find the most relevant assistance center,  click Assistance Centers by Country.

All call centers accept collect calls.

On Call International

For students in Cardinal Care

Toll-free from the US or Canada: +1-800-407-7307

Call collect from anywhere in the world: +1-603-898-9159


For postdoctoral scholars

Toll-free from the US, Canada, Puerto Rico, US Virgin Islands, and Bermuda:

Call collect from anywhere in the world: