At a public hospital there is one doctor for neurology, one for cardiology, and another for orthopedics. the structural cause for conflict between these individuals would be:

I believe the answer is: Specialization

In this context specialization refers to focusing the time and effort to advance the skills in one certain medical area.

Often times, patient may come with various symptoms that might be related to more than one medical specializations, which make it difficult for the hospital to assign the proper doctor.