No person, company, or association shall use or attempt to use any diploma, certificate, transcript, or any other writing which has been purchased, fraudulently issued, illegally obtained, counterfeited, or materially altered, either as a certificate or as to character or color of certificate, to practice as a physician and surgeon, podiatrist, osteopathic physician, or a chiropractor, or to practice any other system or mode of treating the sick or afflicted, as provided in the Medical Practice Act, Chapter 5 (commencing with Section 2000) or to practice as any other licentiate under this division.