Business and Professions Code section 3731

A person holding a license as a respiratory care practitioner issued by the board shall use the title “respiratory care practitioner” or the letters “RCP”. The license as a respiratory care practitioner shall not authorize the use of the prefix “Dr.”, or the word “doctor”, or any suffix or affix indicating or implying that the licensed person is a doctor or a physician and surgeon.
The suffix “M.D.” shall not be used unless the licensed practitioner is licensed as a physician and surgeon in this state.

Source: Section 3731, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=BPC§ionNum=3731.­ (updated Jan. 1, 1995; accessed Jun. 25, 2025).

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Verified:
Jun. 25, 2025

§ 3731's source at ca​.gov