<"Why should I refer you to a neurophyscologist? Even if they test you and find something wrong, they can't do anything!">
This one is true even if it sounds unsupportive. The only value to an NPA is to understand your symptoms so that you can accept them and learn work-arounds and accommodations.

<Around one year.. "After one year you are never going to get better">
Statistically, this is mostly correct. Any recovery after one year comes slowly and is less likely.

<"There is no way that you have sleep apnea, you don't have the build for it."
Even with a neck injury? "Yes, absolutely no way.">
This doctor has no clue about Central Sleep Apnea where the nervous system malfunctions to allow breathing to stop. He is referring to Obstructive Sleep Apnea.

<"Concussions do not cause organic brain damage">
Clueless as a doctor can be. Find a new doctor. This one is worthless.