Sec. 139. "Physician services" means the following:
(1) For purposes of IC 12-15-11, the meaning set forth in IC 12-15-11-1.
(2) For purposes of IC 12-15-12, services provided by an individual licensed under IC 25-22.5 while engaged in the practice of medicine (as defined in IC 25-22.5-1-1.1(a)).