Welcome to our Physical Therapy Clinic in Chelsea area Lower Manhattan NYC. Located at 552 Sixth Avenue, New York, NY 10011. Our patient-centric treatment philosophy focuses on providing exceptional and compassionate care to the entire person, not just their injury. Founded in 1998, Professional Physical Therapy is a leading provider of physical therapy and sports medicine services with clinic locations throughout New England. Contact our Physical Therapists in Chelsea today to develop a customized pain treatment and rehabilitation plan.