Enabling unique Zoom meeting IDs
Zoom gives you the ability to configure whether you want to use your Personal Meeting ID (PMI) for scheduled events, or unique meeting IDs. Typically, you'll want to use unique meeting IDs (so no one else will enter your meetings unexpectedly).
To enable unique meeting IDs for scheduled events, sign in to your Zoom account and browse to your settings page: https://zoom.us/profile/setting
Then, scroll down to the "Schedule Meeting" section and make sure the "Use Personal Meeting ID (PMI) when scheduling a meeting" is unchecked: