A multispeciality --hospital--may have post graduate disciplined doctors as MD medication, MD medical specialty, MS surgery
A superspeciality hospitals could have doctors with degrees as in DM neurology, McH medicine, DM medicine,McH surgical procedure as in superspecialists--who have education more than a MD/MS. they need small specialised in an exceedingly organ system intrinsically thus ar additional consultants for diseases system wise as in gastroenterology(stomach and intestine) system, systema nervosum as in DM neurology, diseases of polygenic disorder etc as in DM medical specialty.