(a) An organization is not required to obtain a certificate of authority under this chapter if the organization holds an appropriate certificate of authority issued under another chapter of this code.
(b) 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 health care provider engaged in the delivery of health care services other than medical care as part of a health maintenance organization delivery network.

(c) A medical school, medical and dental unit, or health science center as described by Section 61.003, 61.501, or 74.601, Education Code, is not required to obtain a certificate of authority under this chapter to the extent that the medical school, medical and dental unit, or health science center contracts to deliver medical care services within a health care collaborative. This chapter is otherwise applicable to a medical school, medical and dental unit, or health science center.
(d) An entity licensed under the Health and Safety Code that employs a physician under a specific statutory authority is not required to obtain a certificate of authority under this chapter to the extent that the entity contracts to deliver medical care services and health care services within a health care collaborative. This chapter is otherwise applicable to the entity.