Cal. Welf. & Inst. Code § 14111.5
(a) As permitted by federal law or regulations, for health care services provided in a long-term health care facility that are reimbursed under this chapter, a nurse practitioner may, to the extent consistent with his or her scope of practice, perform any of the following tasks otherwise required of a physician and surgeon:
(2) Any duty or task that is consistent with federal and state law or regulation within the scope of practice of nurse practitioners, so long as all of the following conditions are met: