Nevada Revised Statutes Title 52. Trade Regulations and Practices § 598A.320. “Group practice” defined

(a) In which each practitioner who is a member of the group provides substantially the full range of services that the practitioner routinely provides, including, without limitation, medical care, consultation, diagnosis or treatment, through the joint use of shared office space, facilities, equipment or personnel;

(b) For which substantially all of the services of the practitioners who are members of the group practice are billed in the name of the group practice and amounts so received are treated as receipts of the group; or

(c) In which the overhead expenses of, and the income from, the group are distributed in accordance with methods determined by members of the group.