Section 843.073 - Certificate of Authority Requirement: Applicability to Physicians and Providers(a) A person is not required to obtain a certificate of authority under this chapter to the extent that the person is:(1) a physician engaged in the delivery of medical care; or(2) a provider engaged in the delivery of health care services other than medical care as part of a health maintenance organization delivery network.(b) Except as provided by Section 843.101 or 843.318(a), a physician or provider that employs or enters into a contractual arrangement with a provider or group of providers to provide basic or limited health care services or a single health care service is subject to this chapter and the following provisions and is required to obtain a certificate of authority under this chapter:(2) Subchapter A, Chapter 1452;(3) Subchapter B, Chapter 1507;(4) Chapters 222, 251, and 258, as applicable to a health maintenance organization; and(5) Chapters 1271 and 1272.Amended By Acts 2007, 80th Leg., R.S., Ch. 730, Sec. 2E.035, eff. 4/1/2009.Added by Acts 2001, 77th Leg., ch. 1419, Sec. 1, eff. 6/1/2003.