Hospital
Emergency Medicine Physician
Emergency department doctor — acute presentations and admission decisions.
Hospital Doctor (unnamed)
Admitting or ward doctor when specialist name not recorded.
Intensive Care Specialist
Critical care physician — severe illness and ventilation.
Psychiatric Hospital / Mental Health Unit
Inpatient mental health facility — admission certificates.
Public Hospital (state/territory health service)
Public sector facility — discharge summaries and medical certificates.
Ramsay Health Care / Healthscope / St Vincent's Health Australia
Major private hospital groups — admission and procedure records.
Registrar
Specialist trainee — may sign notes under supervision.
Rehabilitation Centre
Substance use or physical rehab inpatient programme.
Resident Medical Officer
Junior hospital doctor — common on public hospital records.