(1) Any person licensed to practice a healing art or any branch thereof in this state who is an officer in the commissioned medical corps of the army, the navy, the air force or the public health service of the United States shall not be required to register as provided in this chapter.
(2) When such person resigns or is honorably discharged from one of the services mentioned in subsection (a) and engages in the practice of a healing art or any branch thereof in this state, such person shall register with the appropriate board licensing that profession.