Were you present to witness this? very often what is was said to heppen in a doctors room, doesnt actually happen?
Calling the person responsible for the account with a diagnosis is understandable, i.e. for diagnosis X there are two treatment options a cheaper method and a longer more expensive way. The longer one will probably give better resolution of said problem but will require more checkups, and cheaper one is well cheaper and probably wont be as effective.
Maybe some doctors should just assume that by sending your employee to them it constitutes best treatment possible with no worries what the bill be, and when you get a bill (which you would probably complain is too high about if treatment was for yourself), you just pay for your employee. Sadly this doesnt happen and most accounts in this situation end up being bad debt.