Start with your employer’s phone policy, then use only approved apps and...

https://nova-wiki.win/index.php/How_do_I_know_if_my_work_app_is_allowed_to_show_notifications_on_the_lock_screen%3F

Start with your employer’s phone policy, then use only approved apps and systems for patient information. Keep work and personal accounts separate, and turn off lock-screen previews so messages do not expose details