How To Get Doctor To Write Schedule A Letter . The content of the letter should be official. I am really sorry for the inconvenience it may cause you. 10+ Doctor Appointment Letter Templates DOC, PDF Free & Premium from www.template.net The names and date of birth of the concerned person should be mentioned. By making good use of appointment letter templates, doctors and patients would constantly be reminded of certain matters they have scheduled and should attend to. I am really sorry for the inconvenience it may cause you.