Texas Insurance Code - INS § 1301.067. Interference with Relationship Between Patient and Physician or Health Care Provider Prohibited

(a) An insurer may not, as a condition of a preferred provider contract with a physician or health care provider or in any other manner, prohibit, attempt to prohibit, or discourage a physician or provider from discussing with or communicating to a current, prospective, or former patient, or a person designated by a patient, information or an opinion:

(a-1) An insurer may not, as a condition of payment with a physician or health care provider or in any other manner, require a physician or health care provider to provide a notification form stating that the physician or health care provider is an out-of-network provider to a current, prospective, or former patient, or a person designated by the patient, if the form contains additional information that is intended, or is otherwise required to be presented in a manner that is intended, to intimidate the patient.

(b) An insurer may not in any way penalize, terminate the participation of, or refuse to compensate for covered services a physician or health care provider for discussing or communicating with a current, prospective, or former patient, or a person designated by a patient, pursuant to this section.