Adds physical therapy to the list of “professional services” regulated under the Professional Corporation Act, authorizing professional corporations comprised of licensed orthopedic physicians and physical therapists. Also authorizes, under GS 90, Article 18B, professional corporations of physical therapists themselves. Clarifies the definition of “physical therapy aide” under GS 90-270.24 to make explicit provision for physical therapists that supervise licensed athletic trainers. Provides for criminal background checks, through the Department of Justice, on applicants for physical therapy licenses. Expands the provisions of GS 90-270.39 to permit any licensed physicians, chiropractors, or podiatrists (was, osteopaths, chiropractors, or podiatrists) to use physical therapy modalities.