Parked in the airport with a delayed flight I came across this tidbit: it seems concierge medicine now is extending beyond primary care into specialty practices:Now, the Naples market is seeing concierge practices in cardiology, pediatrics, obstetrics/gynecology and physical therapy.Dr. James Buonavolonta, a cardiologist, worked in traditional practices for years before starting Concierge Cardiology of Naples in February 2007.“(Before) I had a few thousand patients. I felt like I was not...