Beware of phishing. CM never sends you e-mails with requests to alter your personal details. How can you spot a fake e-mail?

Logo Christelijke Mutaliteit

You are affiliated with another health insurance fund

Joining CM is quick and easy.

Are you affiliated with another health insurance fund in your own name (as the beneficiary) and would you like to join CM quickly and easily? You're more than welcome!

  • Follow the procedure below to register electronically .
  • We will contact your previous health insurance fund to arrange the transition. So you don't have to do anything yourself.

You can register at any time, but keep in mind that the effective change of health insurance fund only takes effect on January 1, April 1, July 1 or October 1 . The registration must be completed no later than the fifth of the month preceding these dates. For example, if you want to switch on January 1, we must receive your registration on December 5.