Change my bank account number

Have you switched bank accounts? Update your account number and be sure to receive your reimbursements on time.

Change your IBAN online

With our online form you can update your bank details, making it easier to be reimbursed for your medical bills with just one click.


It's even easier in your customer area

Update your bank details quickly and easily via the GMnet customer area or on your GMapp mobile app.

Register Find out more

Frequently asked questions

You have a postal account:
Complete and send us the “Direct Debit” form , by which you authorise us to debit directly your postal account for the various amounts due to us.

You have a bank account:
Complete our online form and we will send you an LSV form. Please return it to us duly certified by your bank.
We will not be able to change the method of collection of future invoices until we have received the authorisation from your bank. In the meantime, you may still receive invoices. In this case, please pay them as before, using the payment slips sent previously.

Payment arrangements (extension of a deadline or payment by instalments) depend on the circumstances and are granted at certain conditions.
Please contact our customer service department on 0848 803 111 to discuss your options.

Groupe Mutuel

Rue des Cèdres 5 Case postale, 1919 Martigny    |    +41 0848.803.111