70 reviews of Advanced Dermatology, PC "I am on the search for a good dermatologist! I carefully researched dermatologists covered by my insurance plan and made an appt. I waited a month for my appt. with Dr. Lieb but that seemed typical in my area. I arrived for my appt. 30 minutes early and checked in at the desk. The waiting room was full and I was asked to wait for my paperwork..