Dr. Keith Marshall, DDS, is an experienced dentist at his practice, Teeth by Keith: Keith Marshall, DDS in Gramercy Park, Manhattan. As a dedicated provider, he is committed to giving his patients in New York City their best and brightest smile. Dr. Marshall has been a general dentist since 1979 when he graduated from the New York University College of Dentistry. That same year, he started his practice with an office in Manhattan, where he continues to practice. He also attended the Greater New York Dental Meeting for the first time, where his interest in laser dentistry and other innovative dental techniques began. Dr. Marshall is proud to offer his patients dentistry without pain or discomfort. He’s invested in many lasers and dental technologies over the years. It’s his goal for his patients to feel comfortable while they undergo treatment and to enjoy the best possible dental health. In addition to his dental practice, Dr. Marshall owns and operates Next Level Therapeutics, an anti-aging clinic that includes the NovoTHOR® system. NovoTHOR is a low-level light therapy system that can treat injuries, reduce pain, relax muscles and joints, and improve circulation. Next Level Therapeutics is just one part of Dr. Marshall’s plan to promote wellness through dentistry and noninvasive forms of treatment.