It never hurts to call and ask about making your own appointment, you may even be able to contact them online "Contact Us" on the website. It would not hurt for your cardiologist to call them directly, I would think they would be extra willing to talk to another cardiologist and come up with a plan of action designed for you. Here is how it worked for me, others may have different stories: My cardiologist sent all of my test results to Mayo (EKG, echo, bloodwork....), for evaluation. I did not have to actually go there until a couple of days before surgery (that was the plan of action set up for me), and I did not have to return for any follow-ups, all was taken care of at home.