Start with your employer’s phone policy and use approved systems for patient...

https://fair-wiki.win/index.php/What_Should_I_Do_If_My_Phone_Shows_Patient_Names_in_Notification_Previews%3F_65348

Start with your employer’s phone policy and use approved systems for patient work. Hide message previews on your lock screen, set clear on-call alerts, and check which account you’re using before sharing files or messages.