Any person who holds a valid license or temporary license from the board shall have the right to use the title “physician assistant” or the abbreviations “PA” or “PA-C.” No other person may assume that title or use such abbreviations, or any words, signs, letters, or devices to indicate that the person using them is a physician assistant; provided, that this section shall not apply to public accountants or certified public accountants, and nothing in this section shall prevent a public accountant from using the abbreviation “P.A.”