Dermatology & Dermatologic Surgery. All Skin Conditions Treated By Board Certified Dermatologists. Many Insurances Accepted. Day, Evening & Weekend Hours. Gary M. Hahn MD, Jacqueline S. Fern MD. Many skin care lotions and products available in office branded by Dr. Hahn. We provide Facial Firming Therapy & Dermal Restructuring Therapy for appearance enhancement. Fortified Cleanser for cleansing. Ultra-Lite Moisturizer that delivers smoother softer skin with vitamins and Green Tea Extract. Serum for eyes. Antioxidant Sunscreens & Anti-Photoaging Complex.