About U.S. Dermatology Partners in Maryland U.S. Dermatology Partners, formerly DermAssociates, in Silver Spring and Rockville, Maryland, was established in 1974 by Dr. Norman Lockshin. Our board-certified dermatologists are dedicated to providing you and your family with exceptional skin care. DermAssociates’ physicians can treat the most complex dermatology cases. As a DermAssociates patient, you are able to … Continue reading U.S. Dermatology Partners | Formerly DermAssociates