(1) A person shall not engage in the practice of podiatric medicine and surgery or practice as a physician's assistant unless licensed or otherwise authorized by this article.

    (2) The following words, titles, or letters or a combination thereof, with or without qualifying words or phrases, are restricted in use only to those persons authorized under this part to use the terms and in a way prescribed in this part: "chiropodist", "chiropody", "chiropodical", "podiatry", "podiatrist", "podiatric", "doctor of podiatric medicine", "foot specialist", "podiatric physician and surgeon", and "d.p.m.".