Dr. Corey S. Maas is an internationally renowned facial plastic surgeon. He was the chief of the Division of Facial Plastic and Reconstructive Surgery at the University of California, San Francisco, for more than 11 years. In 2001, he founded The Maas Clinic for Aesthetic and Facial Plastic Surgery, The Research Center at the Maas Clinic. He is the medical director of The Appearance Care Center, a medical day spa that features the latest technology and skilled nursing staff.
