California Code, Labor Code - LAB § 3209.3

(a) “Physician” includes physicians and surgeons holding an M.D. or D.O. degree, psychologists, acupuncturists, optometrists, dentists, podiatrists, and chiropractic practitioners licensed by California state law and within the scope of their practice as defined by California state law.

(b) “Psychologist” means a licensed psychologist with a doctoral degree in psychology, or a doctoral degree deemed equivalent for licensure by the Board of Psychology pursuant to Section 2914 of the Business and Professions Code, and who either has at least two years of clinical experience in a recognized health setting or has met the standards of the National Register of the Health Service Providers in Psychology.

(c) When treatment or evaluation for an injury is provided by a psychologist, provision shall be made for appropriate medical collaboration when requested by the employer or the insurer.

(d) “Acupuncturist” means a person who holds an acupuncturist's certificate issued pursuant to Chapter 12 (commencing with Section 4925) of Division 2 of the Business and Professions Code.

(e) Nothing in this section shall be construed to authorize acupuncturists to determine disability for the purposes of Article 3 (commencing with Section 4650) of Chapter 2 of Part 2, or under Section 2708 of the Unemployment Insurance Code.