I would like to express my sincere and heartfelt thanks for the wonderful and professional treatment received therein. Learn how to write an employee appreciation letter with these templates and examples.Download the template for free (PDF or Word). "I want to express my heartfelt appreciation for the care and support you have provided. Your commitment to your patients is truly admirable. We want to hear about it! Thank you for your outstanding care and support during my stay at the hospital. Below you will find sample appreciation letters to send or email an individual or individuals who have helped you at work. For example, in Anchorage the team handed out heart shaped boxes of chocolate to Veterans and staff. Chief Of Staff at Good Samaritan Hospital Medical Center.