Notwithstanding any provisions to the contrary contained in any city or county charter, the director of public health, under this chapter shall meet as a minimum one of the following standards of educational achievement and vocational experience to be qualified for appointment to the office:
(1) Bachelor's degree in business administration, public administration, hospital administration, management, nursing, environmental health, epidemiology, public health, or its equivalent and five years of experience in administration in a community-related field; or
(2) A graduate degree in any of the fields listed in subsection (1) of this section, or in medicine or osteopathic medicine and surgery, plus three years of administrative experience in a community-related field.
The director shall not engage in the private practice of the director's profession during such tenure of office and shall not be included in the classified civil service of the said city or the said county.
If the director of public health does not meet the qualifications of a health officer or a physician under RCW
70.05.050, the director shall employ a person so qualified to advise the director on medical or public health matters.