Dermatology Associates of Rochester is a dermatology practice serving the Rochester, New York, area. Dr. Joshua Weitz and board-certified dermatologist Dr. Lesley Loss perform medical and cosmetic dermatology services, including BOTOX®, laser skin treatments, laser tattoo removal, and CoolSculpting® at our Center for Aesthetics and Anti-Aging.Contact‧About Us‧Cosmetic Dermatology‧Medical Dermatology‧DermaSpa‧Skin Search.