California Code, Business and Professions Code - BPC § 3516

(b)(1) Except as provided in paragraph (2) and inSection 3502.5, a physician and surgeon shall not supervise more than four physician assistants at any one time.

(2) Notwithstanding paragraph (1), a physician and surgeon may supervise up to, but no more than, eight physician assistants at one time, but only if the following conditions are satisfied by all supervised physician assistants:

(3) A physician assistant who performs an in home health evaluation for the purposes specified in subparagraph (B) of paragraph (2) remains subject to all supervisory and scope requirements pursuant to this chapter and shall provide the supervising physician and surgeon with all information related to their evaluation under subparagraphs (A) and (B) of paragraph (2).

(1) “In home health evaluation” means a comprehensive physical exam, assessment of current and prior health conditions, a complete medication review, screening tests, health education, and assessment of social determination of health needs to be used for diagnosing individual medical conditions.

(2) “Annual wellness visit” means a preventive visit with correlating current procedural terminology codes performed annually to a patient, to be used for the purposes of diagnosing patient conditions during the annual wellness visit, which may include a nonphysical examination for patients covered by Medicare Part B for more than 12 months.