Except as otherwise provided by law, no person shall practice medicine or surgery in the State, either gratuitously or for pay, or offer to practice medicine or surgery in the State, or advertise or announce one’s self, either publicly or privately, as prepared or qualified to practice medicine or surgery in the State, or append the letters “Dr.”, “M.D.”, or “D.O.” to one’s name with the intent to imply that the person is a practitioner of medicine or surgery, without having a valid unrevoked license or a limited and temporary license obtained from the Hawaii medical board.