It would be impractical, for example, to expect Cardiac Medicine, Billing Services, Supply, and Maintenance functions to be supervised by the same individuals. In essence, the many services and functions provided by modern hospitals are so different from one another that they are actually completely distinct operations, each with its own organizational substructure and supervisory hierarchy.
The Hierarchical Nature of Hospital Administration
Generally, the various different areas of hospital services and functions all use a hierarchical supervisory structure. Within medical departments, senior attending physicians supervise residents based on professional seniority and experience.
The same is true within nursing services. Other non-medical service areas such as administration and billing function much more similarly to general business offices. Usually, they are headed by a director or supervisor who performs the same role as supervisors responsible for administrating general business offices. Finally, departments such as supply and maintenance operate within a hierarchical structure based primarily on specific vocational skills and experience..