Phone
- Customer service0848 803 111Groupe Mutuel customer service; CHF 0.08/min.Source ↗
- International assistance (health problems abroad)+41 848 808 111Source ↗
- Customer service: Monday to Friday, 8 am–12 noon and 1–5.30 pm
Addresses
The website does not give a separate cancellation address; this is the general postal address. Source, retrieved on 25.09.2026.
Online channels
- Customer portalCustomer portalmentioned on the website ↗
- FormRequest a callbackmentioned on the website ↗
Website: www.groupemutuel.ch
Frequently asked questions
What is the phone number of Avenir?
Customer service: 0848 803 111 (Monday to Friday, 8 am–12 noon and 1–5.30 pm). Source: the insurer’s official website, retrieved on 25.09.2026. You’ll find more numbers and the online channels further up this page.
How do I reach Avenir in an emergency abroad?
International assistance (health problems abroad): +41 848 808 111. Source: the insurer’s official website, retrieved on 25.09.2026. If life is in danger, call the local emergency number; in the EU, that is 112.
What is the address of Avenir?
Postal address per the website: Avenir Krankenversicherung AG, Groupe Mutuel, Avenir Assurance Maladie, Rue des Cèdres 5, 1919 Martigny. For cancelling basic insurance: Groupe Mutuel, Rue des Cèdres 5, Case postale, 1919 Martigny (general postal address, the website does not give a separate cancellation address, retrieved on 25.09.2026).
Sources
- FOPH, register of approved health insurers, as of 01.01.2026priminfo.admin.ch
- FOPH, health insurance premiums 2011–2026 (opendata.swiss)opendata.swiss
- FOPH, supervisory data for compulsory health insurance (T 5.01), data as of 22.05.2025bag.admin.ch
- FOPH, KVG solvency test (KVD, reserves of health insurers)opendata.swiss
- Avenir: website (address), retrieved on 25.09.2026groupemutuel.ch
- Avenir: website (physician search), retrieved on 25.09.2026groupemutuel.ch