Please note that the office of UNIQA, the third-party administrator for the CERN Health Insurance Scheme (CHIS), in CERN’s Main Building, will be closed during the two-week end-of-year closure.
During that period, the UNIQA offices in Geneva will remain open from 8 a.m. to 5 p.m. (4 p.m. on 24 and 30 December 2025). It will be closed on Thursday 25 December, Wednesday 31 December 2025 and Thursday 1 January 2026. During open periods you can also reach UNIQA by telephone on +41 22 718 63 00.
For urgent medical assistance, you may call UNIQA Assistance +41 22 718 63 77, 24h/day throughout this period. Please note that this service only provides medical advice and urgent assistance services and is not in a position to inform you on the coverage by CHIS of medical expenses.