Start with employer policy. Use approved systems for clinical messages, not...

https://web-wiki.win/index.php/How_do_I_explain_to_my_team_why_I_won%27t_use_personal_apps_for_clinical_messages%3F

Start with employer policy. Use approved systems for clinical messages, not personal apps. Lock your phone and hide previews. Set on-call alerts so urgent calls get through without every work ping. Before sharing, check the account and recipient.