California Code, Evidence Code - EVID § 1010

(a) A person authorized to practice medicine in any state or nation who devotes, or is reasonably believed by the patient to devote, a substantial portion of their time to the practice of psychiatry.

(b) A person licensed as a psychologist under Chapter 6.6 (commencing with Section 2900) of Division 2 of the Business and Professions Code.

(c) A person licensed as a clinical social worker under Chapter 14 (commencing with Section 4991) of Division 2 of the Business and Professions Code, when they are engaged in applied psychotherapy of a nonmedical nature.

(d) A person who is serving as a school psychologist and holds a credential authorizing that service issued by the state.

(e) A person licensed as a marriage and family therapist under Chapter 13 (commencing with Section 4980) of Division 2 of the Business and Professions Code.

(f) A person registered as a registered psychological associate who is under the supervision of a licensed psychologist as required by Section 2913 of the Business and Professions Code, or a person registered as an associate marriage and family therapist who is under the supervision of a licensed marriage and family therapist, a licensed clinical social worker, a licensed professional clinical counselor, a licensed psychologist, or a licensed physician and surgeon certified in psychiatry, as specified in Section 4980.44 of the Business and Professions Code.

(g) A person registered as an associate clinical social worker who is under supervision as specified in Section 4996.23 of the Business and Professions Code.

(h) A psychological intern as defined in Section 2911 of the Business and Professions Code who is under the primary supervision of a licensed psychologist.

(i) A trainee, as defined in subdivision (c) of Section 4980.03 of the Business and Professions Code, who is fulfilling their supervised practicum required by subparagraph (B) of paragraph (1) of subdivision (d) of Section 4980.36 of, or subdivision (c) of Section 4980.37 of, the Business and Professions Code and is supervised by a licensed psychologist, a board certified psychiatrist, a licensed clinical social worker, a licensed marriage and family therapist, or a licensed professional clinical counselor.

(j) A person licensed as a registered nurse pursuant to Chapter 6 (commencing with Section 2700) of Division 2 of the Business and Professions Code, who possesses a master's degree in psychiatric-mental health nursing and is listed as a psychiatric-mental health nurse by the Board of Registered Nursing.

(k) An advanced practice registered nurse who is certified as a clinical nurse specialist pursuant to Article 9 (commencing with Section 2838) of Chapter 6 of Division 2 of the Business and Professions Code and who participates in expert clinical practice in the specialty of psychiatric-mental health nursing.

(l) A person rendering mental health treatment or counseling services as authorized pursuant to Section 6924 of the Family Code.

(m) A person licensed as a professional clinical counselor under Chapter 16 (commencing with Section 4999.10) of Division 2 of the Business and Professions Code.

(n) A person registered as an associate professional clinical counselor who is under the supervision of a licensed professional clinical counselor, a licensed marriage and family therapist, a licensed clinical social worker, a licensed psychologist, or a licensed physician and surgeon certified in psychiatry, as specified in Sections 4999.42 to 4999.48, inclusive, of the Business and Professions Code.

(o) A clinical counselor trainee, as defined in subdivision (g) of Section 4999.12 of the Business and Professions Code, who is fulfilling their supervised practicum required by paragraph (3) of subdivision (c) of Section 4999.32 of, or paragraph (3) of subdivision (c) of Section 4999.33 of, the Business and Professions Code, and is supervised by a licensed psychologist, a board-certified psychiatrist, a licensed clinical social worker, a licensed marriage and family therapist, or a licensed professional clinical counselor.