For purposes of this subchapter , unless the context otherwise requires: 1. “Pharmacist” means a practicing pharmacist who is actively engaged in and responsible for the pharmaceutical care of the patient about whom information is requested. 2. “Prescribing practitioner” means a practitioner who has prescribed or is contemplating the authorization of a prescription for the patient about whom information is requested. “Prescribing practitioner” does not include a licensed veterinarian. 3. “Proactive notification” means a notification by the board, generated based on factors determined by the board and issued to a specific prescribing practitioner or pharmacist, indicating that a patient may be practitioner shopping or pharmacy shopping or at risk of abusing or misusing a controlled substance. 4. “Program” means the information program for drug prescribing and dispensing. 2016 Acts, ch 1052, §1 ; 2017 Acts, ch 54, §76 ; 2018 Acts, ch 1138, §1, 2, 17