and 453.3611 to 453.3648, inclusive, a physician, physician assistant, dentist, advanced practice registered nurse , certified registered nurse anesthetist, podiatric physician or pharmacist registered pursuant to section 12.3 of this actmay prescribe or administer controlled substances only for a legitimate medical purpose and in the usual course of his or her professional practice, and he or she shall not prescribe, administer or dispense a controlled substance listed in schedule II for himself or herself, his or her spouse or his or her children except in cases of emergency.
NRS 453.381