Why Do You Want to be a Physician Assistant? You will be asked many different times: "Why?" "Why do you want to become a physician assistant?" "Why don't you just go to medical school or NP school?" "You will make more money as a physician; you will have more prestige and recognition as a physician."Why Do You Want to be a Physician Assistant? You will be asked many different times: "Why?" "Why do you want to become a physician assistant?" "Why don't you just go to medical school or NP school?" "You will make more money as a physician; you will have more prestige and recognition as a physician."