As used in this chapter, the term:

(1) "Attending physician" means the physician who has primary responsibility at the time of reference for the treatment and care of the patient.

(2) "Health care" means any care, treatment, service, or procedure to maintain, diagnose, treat, or provide for the patient's physical or mental health or personal care.

(3) "Health care agency" or "agency" means an agency governing any type of health care, anatomical gift, autopsy, or disposition of remains for and on behalf of a patient and refers to the power of attorney or other written instrument defining the agency, or the agency itself, as appropriate to the context.

(4) "Health care provider" or "provider" means the attending physician and any other person administering health care to the patient at the time of reference who is licensed, certified, or otherwise authorized or permitted by law to administer health care in the ordinary course of business or the practice of a profession, including any person employed by or acting for any such authorized person.

(5) "Hospital" means a facility which has a valid permit or provisional permit issued under Chapter 7 of this title and which is primarily engaged in providing to inpatients, by or under the supervision of physicians, diagnostic services and therapeutic services for medical diagnosis, treatment, and care of injured, disabled, or sick persons.

(6) "Patient" means the principal.

(7) "Skilled nursing facility" means a facility which has a valid permit or provisional permit issued under Chapter 7 of this title and which provides skilled nursing care and supportive care to patients whose primary need is for availability of skilled nursing care on an extended basis.