For what I'm paying for orthodontic services, I expect to be treated by an orthodontist. But no I am treated by Dr. Ostreicher's assistant. In the 11 times that I have been to David Ostreicher's office I have only been treated and seen by him the first time, once. What's more frustrating is in the year that I've been in Invisalign braces, I haven't seen a differrence. My four teeth I'm trying to correct are just as crooked as they were when I began this procedure. Can't talk to this man - he won't listen. So arrogant, so obnoxious. He was so different when we met in our office and he wanted my case. I guess that's how he makes his money.