The following words and terms, when used in this subchapter, have the following meanings, unless the context clearly indicates otherwise.(1) Issuer--Those entities that offer a health benefit plan as identified in Insurance Code §1454.002.(2) Physician--A person licensed by the Texas State Board of Medical Examiners to practice medicine and surgery in this state.(3) Provider--A hospital, nurse practitioner, registered nurse, physician assistant, home health aide, nurse midwife, surgery center, or other outpatient care center.