Section 80E. A nurse practitioner or psychiatric nurse mental health clinical specialist may issue written prescriptions and order tests and therapeutics pursuant to guidelines mutually developed and agreed upon by the nurse and the supervising physician in accordance with regulations promulgated jointly by the board and the board of registration in medicine after consultation with the board of registration in pharmacy. A prescription made by a nurse practitioner or psychiatric nurse mental health clinical specialist shall include the name of the physician with whom such nurse has developed and signed mutually agreed upon guidelines approved by said board and said board of registration in medicine pursuant to section eighty B.