Changing your personal details

With MijnONVZ and the ONVZ app, changing your personal details yourself is a quick and easy process. Among other things, these convenient tools allow you to register a birth, change your bank account number or change the frequency of your premium payment.

The ONVZ app and MijnONVZ allow you to update your personal details quickly and easily. As soon as you have made a change, it is immediately visible and processed. We advise you to keep your personal details up to date so we can correspond with you adequately.

Please note: some details can only be changed by the policyholder!

Which details can you change yourself?

Go to my details in the ONVZ app or MijnONVZ to view and change your personal information.

Changes you can make with the ONVZ app and MijnONVZ

You can change the following information in both the ONVZ app and MijnONVZ.

  • premium payment frequency
  • payment method for premium and health-care costs
  • e-mail address
  • IBAN
  • telephone number

The following information can only be changed using MijnONVZ

The details below can only be changed in MijnONVZ, this is not (yet) possible in the ONVZ app.

  • registering a newborn child
  • downloading your policy document in pdf format
  • changing your health-care plan for you and the other insureds on your policy
  • change the health-care plan for a child turning 18
  • increasing or decreasing the voluntary excess

Other changes you need to tell us about


If you are pregnant and would like to request maternity care, please call the ONVZ Kraamzorg Service on +31 (0)88 668 97 05. You can also request maternity care online (in Dutch). Some of our supplementary health-care plans entitle you to a maternity package.

Changing or cancelling your health-care plan

If you want to cancel your health-care plan with us, you must do so before 1 January. Changes to your supplementary or dental health-care plan must be submitted before 1 February. 1 February is also the cut-off date for changes to your voluntary excess. In some situations, you can change or cancel your health-care plan early.

Moving house

If you have a basic health-care plan and you move house within the Netherlands, we will automatically receive your new address details from the municipal personal records database. You do not have to do anything.

For more practical information, go to our Service page.


Questions? We are here whenever you need us