WW Groups was founded by Huachen Wei, M.D., Ph.D., MPH, FAAD, and Yang Wang, M.D. M.S. WW Groups provides high-quality dermatology services, a full line of high-end skin care services, a medical spa, a luxury day spa and their own line of skincare products in the New York area. WW Groups consists of DR WW Dermatology PLLC, DR WW Medspa, WW Day Spa and WW Skin Store. Currently, WW Groups runs 4 dermatology offices, 2 medical spas, a luxury day spa, and a skincare store. Huachen Wei, M.D., Ph.D., MPH, FAAD is a board certified dermatologist and a full professor of Dermatology at the Mount Sinai Medical Center.