Level II In addition to duties described in Level I, performs the following: Aid with and co-treat on more complex therapy procedures appropriate for non-licensed staff, including independent performance of some treatment techniques with on-site supervision. With 388 beds it is the second largest of Duke Healths four hospitals and offers a comprehensive range ofmedical, surgical, and diagnostic services, including orthopedics, weight-loss surgery, womens services, and heart and vascular services.