(a) The following boards of registration shall serve in the department of public health: the board of registration in medicine; the board of registration in nursing; the board of registration in pharmacy; the board of registration of physician assistants; the board of registration of perfusionists; the board of registration of nursing home administrators, the board of registration in dentistry, the board of registration of genetic counselors, the board of certification of community health workers, the board of registration in naturopathy, the board of registration of social workers, the board of registration of psychologists, the board of registration of allied mental health and human services professions, the board of allied health professions, the board of registration of dieticians and nutritionists, the board of registration in podiatry, the board of registration in optometry, the board of registration of dispensing opticians, the board of registration of chiropractors, the board of registration of speech-language pathology and audiology, the board of registration of hearing instrument specialists, the board of certification of health officers, the board of registration of sanitarians and the board of registration of respiratory therapists.

(b) All other boards of registration and examination mentioned in this chapter shall serve in the division of occupational licensure.

(c) Notwithstanding any general or special law to the contrary, all of the board members of the department of public health or the division of occupational licensure shall serve without compensation but shall be reimbursed for reasonable expenses incurred in the performance of their official duties.