[header] How to become a cardiologist [title] Look into potential medical schools. [step] You may already know exactly where you want to go to medical school, but if you don't, you should start looking at the possibilities as soon as possible. This will be very similar to your experience searching for an undergraduate program. 
Don't just pick the top medical school in the country for that reason. Instead, search for a school that will be a good fit for your long-term goals, financial limitations, and personality.