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). Scenario 2: An appreciation letter applauding an employee's leadership skills. I hope this letter shows how much appreciation I have for you and all the other healthcare workers out there. We'll have a great day, and Thank you again!! Sending thanks to a healthcare worker is hard. We've got 86 thank you messages for nurses and doctors so saying "appreciate you" is easy. Verbal expression: A brief and sincere thank-you statement or "I sincerely appreciate your care and attention," for example. Your hard work, expertise, and ability to overcome challenges were instrumental in its success.