Cal. INS § 10133.4

(a) For purposes of insurers that contract with providers for alternate rates pursuant to Section 10133, a primary care provider includes a “nonphysician medical practitioner,” which is defined as a physician assistant performing services under the supervision of a primary care physician in compliance with Chapter 7.7 (commencing with Section 3500) of Division 2 of the Business and Professions Code or a nurse practitioner performing services in collaboration with a physician pursuant to Chapter 6 (commencing with Section 2700) of Division 2 of the Business and Professions Code.

(b) This section shall not require a primary care provider to accept the assignment of a number of insureds that would exceed standards of good health care as provided in Section 10133.5.

(c) This section shall not be interpreted to modify subdivision (e) of Section 2836.1 of the Business and Professions Code or subdivision (b) of Section 3516 of the Business and Professions Code.