You should dress according to the event, so the answer is yes. How you present yourself says a lot about you, and first impressions are extremely important, and even more in a medical school interview setting, where you want to appear as professional as possible. Take a look at our recommendations regarding medical school interview attires.
If you find yourself in a video interview, in which there’s a human interviewer on the other side of the screen, pay special attention to your hair and face; if you decide to wear makeup, keep it simple and natural, and make sure your hair is clean. The idea is to appear fresh and ready to tackle the interview.