For purposes of this article:
(1) "Licensed health care provider" means a licensed medical doctor, physician's assistant, nurse practitioner, or advanced-practice registered nurse.
(2) "Special needs account customer" means the account of a residential customer:
(a) when the customer can furnish to the special purpose or public service district furnishing electricity or natural gas to residents of this State a certificate on a form provided by the special purpose or public service district and signed by a licensed health care provider that states that termination of electric or gas service would be dangerous to the health of the customer or a member of his household at the premises to which electric or natural gas service is rendered; or
(b) who suffers from Alzheimer's disease or dementia as certified by a licensed health care provider.