Performance of Physician Assistants and Advanced Practice Registered Nurses; Removes requirement that supervising physician notify DOH in writing of any delegation of prescribing authority to physician assistant; removes requirement that supervising physician's name be included in prescription issued by physician assistant; revises requirements for drug formulary for physician assistants; authorizes certain physician assistants to render medical services without physician supervision during declared state of emergency in counties covered by declaration; provides applicability; requires that such services rendered otherwise comply with laws & rules applicable to physician assistants; revises drug formulary requirements for advanced practice registered nurses authorized to prescribe medications; authorizes certain advanced practice registered nurses to render medical services without physician supervision during declared state of emergency in counties covered by declaration; provides applicability; requires that such services rendered otherwise comply with laws & rules applicable to advanced practice registered nurses.