To disconnect Zoom, navigate to Account > Integration.
Find the Zoom row in the integration table and click Disconnect.
You'll be presented with a confirmation window, click Yes and you will be presented with the following notification.
The final important step to fully disconnect Zoom is to uninstall the Rehab Guru App from your Zoom account. You can do this by clicking on the 'here' on the above notification or by visiting this webpage: https://marketplace.zoom.us/user/installed