Cal. Welfare and Institutions Code § 4481

(a) The Director of Developmental Services shall appoint and define the duties, subject to the laws governing civil service, of the clinical director and the hospital administrator for each state hospital. The director shall appoint either the clinical director or the hospital administrator to be the hospital director. (b) The director shall appoint a medical director for each state hospital where neither the hospital director nor the clinical director is a licensed physician. The medical director shall be a physician licensed to practice medicine in California and shall be responsible for standards, coordination, surveillance, and planning for improvement of medical care in the facility. The director shall accomplish the requirements of this subdivision by a reclassification and redirection of non-level-of-care administrative positions in existence on December 31, 1983. (c) The director shall appoint a program director for each program at a state hospital. In each hospital for the developmentally disabled, the director may appoint a medical program director.