Wish I could help but I'm no where near that area. Maybe some guys from down that way can chime in or make a connection for you. Google is your friend. Type in keywords "gynocomastia surgery Miami, Florida" and a lot will pop up. Do all the research you can and go over all your options first! Good luck and let us know what path you take.
There are also threads here in these forums regarding "All you need to know about gyno", etc. Search em up!