Mahdi.
Wanting to know the possibility of treatment is exactly the reason that you should call and begin a conversation.
I don't know how the system works where you are, but there would be no obligation on your part by making phonecall and having a conversation. That is the only way to find out if there is any need to set up an appointment for you.

In my case, my transplant doctor called Mayo and begen the conversation. Then he sent my records before Mayo agreed to see me. Then an appointment was scheduled because I needed to be seen by a specialist who was there. I do not know about how anyone else made their contacts.

I would be interested to hear what you learn. If you do need to make an appointment, I will help you if you want.