Company Description. Non-private equity Dermatology, Cosmetic and Mohs office. At Feinstein Dermatology, our commitment is patient satisfaction and loyalty. We are defining the new standard in customer experience and outcomes, and we strive to be the exemplary model for others to follow. We have over thirty-five thousand (35,000) patients that have chosen us to care for their dermatological and cosmetic services. Our staff are comprised of board-...