I excessively go to doc cuz of serious things but every time i go to the desk or call the nurse, they laugh at me like i'm crazy. it angers me. i'm 18?

Reconsider: If people are making fun repeatedly you , in your vision everybody is crazy but you . May be your conditions are not very serious from medical perspective.

Let your doctor know: Let your doctor know of any inappropriate office staff behavior. It is likely he is unaware of it and can correct this problem.

Respect: The staff should treat you with respect, regardless of why you are there. Speak to your physician about your concerns. I do not know what is excessive in your number of visits or what serious health issues you have at such a young age, but it is possible that they may see you as a hypochondriac... That doesn't excuse their behavior.