This chapter, Section 1367.053, Subchapter A, Chapter 1452, Subchapter B, Chapter 1507, Chapters 222, 251, and 258, as applicable to a health maintenance organization, and Chapters 1271 and 1272 do not:
(1) authorize any person, other than a licensed physician or practitioner of the healing arts, acting within the scope of the person's license, to engage directly or indirectly in the practice of medicine or a healing art; or
(2) authorize any person to regulate, interfere with, or intervene in any manner in the practice of medicine or a healing art.