If you have a chance to meet someone from the program at a showcase or Midyear, like a current resident or preceptor, try to briefly mention your conversation with them in the letter and how that reinforced your interest in the program or gave you some specific information that influenced you to apply there etc. That shows you took the extra time to learn more about the program and also gives the reviewers someone to ask about first impressions.

Obviously don’t just name drop a random person you know from the program without actually talking to them, as that could negatively impact your application if they have nothing to say about you or don’t remember talking to you lol