California Code, Business and Professions Code - BPC § 3505

The members of the board shall include four physician assistants, one physician and surgeon who is also a member of the Medical Board of California, and four public members.  Upon the expiration of the term of the member who is a member of the Medical Board of California, that position shall be filled by a physician assistant.  Upon the expiration of the term of the member who is a member of the Medical Board of California, above, there shall be appointed to the board a physician and surgeon who is also a member of the Medical Board of California who shall serve as an ex officio, nonvoting member and whose functions shall include reporting to the Medical Board of California on the actions or discussions of the board.  Following the expiration of the term of the member described above, the board shall include five physician assistants, one physician and surgeon, and four public members.

Each member of the board shall hold office for a term of four years expiring on January 1st, and shall serve until the appointment and qualification of a successor or until one year shall have elapsed since the expiration of the term for which the member was appointed, whichever first occurs.  No member shall serve for more than two consecutive terms.  Vacancies shall be filled by appointment for the unexpired terms.

The Governor shall appoint the licensed members qualified as provided in this section and two public members.  The Senate Rules Committee and the Speaker of the Assembly shall each appoint a public member.