42 C.F.R. § 482.56
If the hospital provides rehabilitation, physical therapy, occupational therapy, audiology, or speech pathology services, the services must be organized and staffed to ensure the health and safety of patients.
(a) Standard: Organization and staffing. The organization of the service must be appropriate to the scope of the services offered.
(b) Standard: Delivery of services. Services must only be provided under the orders of a qualified and licensed practitioner who is responsible for the care of the patient, acting within his or her scope of practice under State law, and who is authorized by the hospital's medical staff to order the services in accordance with hospital policies and procedures and State laws.
[51 FR 22042, June 17, 1986, as amended at 72 FR 66406, Nov. 27, 2007; 75 FR 50418, Aug. 16, 2010]