Suite 1B, 674 - 678 Old Princes Highway, Sutherland [MAP]
02 9521 6777

The practice was opened in 1996 by Dr Stephen Thornley and has rapidly expanded to service the residents of Southern Sydney, the Illawarra and adjoining regions. He regularly attends the American Endocrine Society Conference, the American Diabetes Association Conference, the European Association for the study of Diabetes Conference as well as the conferences on the prevention of diabetes, gestational diabetes and endocrine disorders in pregnancy.  He has pioneered the use of electronic communication platforms to enhance availability and accessibility for patients to adjust their therapies.

  • Graduated with M.B.,B.S. (hons 2) from University of Sydney 1988
  • Awarded inaugural Lidcombe Hospital Prize in Medicine 1987
  • Trained in Endocrinology and Internal Medicine at Prince of Wales, St George and Westmead Hospitals
  • Obtained Fellowship of Royal Australasian College of Physicians 1995
  • Clinical Superintendant in Medicine St George Hospital 1996-1997
  • Visiting Medical Officer Kareena, St George Private, Hurstville Community and President Private Hospitals 1996 – 2017
  • Examiner Royal Australasian College of Physicians
  • Private practice at Miranda and Menai 1996 to the present
  • Clinical Senior Lecturer, Graduate School of Medicine University of Wollongong
  • NSW Accredited for Workers’ Compensation and Medico Legal


  • Interests outside medicine: travel, photography, reading, rugby union and cricket