What is the appropriate way to begin a letter to a medical professional?

Starting a letter to a medical professional with "Dear [Title] [Last Name]" is the most appropriate choice. This format reflects a level of respect and professionalism that is essential in medical correspondence. Using the recipient's title, such as Dr. or Mrs., followed by their last name, establishes a formal tone which is crucial in a healthcare setting where clarity and professionalism are paramount.

This option also helps in creating a direct connection with the recipient, acknowledging their professional designation and emphasizing the importance of the communication. The use of "Dear" is traditional in letter writing and adds to the courteous nature of the correspondence.

Other greetings, such as casual phrases like "Hey there" or informal salutations like "Greetings," lack the necessary professionalism and may not be suitable in a healthcare environment, where formal communication is expected. "To whom it may concern" is often used in more generic communications and can come across as impersonal, which is not ideal when addressing a specific individual in the medical field.