Sec. 5. As used in this chapter, "practitioner" means any of the following:
(1) A physician licensed under IC 25-22.5.
(2) A veterinarian licensed to practice veterinary medicine in Indiana.
(3) A dentist licensed to practice dentistry in Indiana.
(4) A podiatrist licensed to practice podiatric medicine in Indiana.
(5) An optometrist who is:
(A) licensed to practice optometry in Indiana; and
(B) certified under IC 25-24-3.
(6) An advanced practice registered nurse who meets the requirements of IC 25-23-1-19.5.
(7) A physician assistant licensed under IC 25-27.5 who is delegated prescriptive authority under IC 25-27.5-5-6.