By Lila Barry The cardiology trenton nj specialist must be licensed. This is important as you want to receive the best service that you can have for this operation. Check the license of the specialist. You contact the local licensing agency to verify if the specialist is indeed a licensed heart doctor in the area. That is because many doctors today are saying they are licensed but actually they are not. Many have been victims of fake doctors. Their health was jeopardized because they did not investigate well the background of their doctor....