Texas Health and Safety Code - HEALTH & SAFETY § 242.151. Physician Services

(a) An institution shall have at least one medical director who is licensed as a physician in this state.

(b) The attending physician is responsible for a resident's assessment and comprehensive plan of care and shall review, revise, and sign orders relating to any medication or treatment in the plan of care.  The responsibilities imposed on the attending physician by this subsection may be performed by an advanced practice nurse or a physician assistant pursuant to protocols jointly developed with the attending physician.

(c) Each resident has the right to choose a personal attending physician.