I haven't done the math to know whether or not you meet the full DSM-IV criteria for anorexia but it certainly sounds like your symptoms qualify for a diagnosis of an eating disorder. Diagnoses aside; your T is right to send you to a medical doctor to get checked out because you may have other physical problems related to your lack of adequate nutrition. Next time you see your T, ask him if he is able to treat the cognitive basis for your condition. If not, please seek a qualified eating disorder specialist.