We do our best to serve you as well as possible. Despite this, you may be unhappy or disagree with a decision we have made. Your options in such cases are explained below.
File a complaint
If you disagree with a decision we have made, or you are dissatisfied with our services or the way we handle your personal data, you can file a complaint in one of the following ways:
- use our special complaint form
- send a letter to the following address:
3990 GD Houten
Complaint about ONVZ forms
If you have a complaint about our forms being overly complicated or unnecessary, please let us know. If you are dissatisfied with our response, you can also file your complaint with the Nederlandse Zorgautoriteit (Dutch Health-Care Authority, NZa).
T.a.v. de Informatielijn/het Meldpunt
3502 GA Utrecht
+31 (0)88 770 87 70
How we handle your complaint
You will receive confirmation once we have received your complaint and we will process your complaint within 15 working days of receipt. If we need more time, we will notify you.
Not satisfied with our response?
We aim to handle your complaint with care. However, you may not agree with our response or decision. In that case, you can contact the complaints and disputes committee Stichting Klachten en Geschillen Zorgverzekeringen.
Complaint about your health-care provider
If you are dissatisfied with your health-care provider, let them know.