I called Dr. Karas's office at about 1pm on Feb. 18, 2015 and he has not yet retired (but is thinking about it).

Sorry that your experience with Dr. Karas was negative. I have met with him twice and had good experiences. There are numerous positive reviews for Dr. Karas both on this website and other medical review boards. I guess for Dr. Karas (and other doctors) YMMV (your mileage may vary).