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Prof Stephen Duffy

Interventional Cardiologist

Professor Stephen Duffy is an Interventional and Structural Cardiologist based in Melbourne, sees patients with all types of heart conditions, and performs interventional & minimally invasive valve and procedures.

For information on consulting locations and making an appointment, please contact our office at Heart of Melbourne.


Professor Stephen Duffy’s clinical interests include transcatheter treatment of structural heart disease, interventional cardiology (particularly percutaneous treatment of coronary artery disease) and management of acute coronary syndromes. Professor Duffy was one of the first to establish a transcatheter aortic valve implantation (TAVI) programme in the state of Victoria and has been treating patients with this technology for twelve years. Professor Duffy also established a programme for percutaneous treatment of mitral valve disease with transcatheter mitral valve implantation or repair.

Professor Duffy served as Head of Cardiology General Services at Alfred Health from 2005- 2018. He is a Fellow of the Cardiac Society of Australia and New Zealand (CSANZ); with regular scientific contributions and invited presentations at their annual scientific meetings since 1996. He is an active Fellow of the RACP and a Member of the RCP, UK. He was the elected Victorian representative on the CSANZ Board (2015-2021), and is presently the Honorary Secretary of the CSANZ.



Bachelor of Medicine & Bachelor of Surgery (MBBS)

Doctor of Philosophy, Monash University (PhD)

Fellow of the Cardiac Society of Australia and New Zealand (FCSANZ)


Fellow of the Royal Australasian College of Physicians (FRACP)

Member of the Royal College of Physicians, UK (MRCP)

Professor Duffy is affiliated with the following hospitals:


  • Knox Private Hospital, Wantirna



Professor Duffy is a foundation member and is on the Steering Committee of the Melbourne Interventional Group, a large collaborative research group of cardiologists focusing on percutaneous coronary revascularisation outcomes (>50,000 cases; over 80 journal publications).


He has also been on the Steering Committee, the Clinical Quality Committee, and the Data Access, Research & Publications Committee of the Victorian Cardiac Outcomes Registry (>95,000 cases).


He was Chairman of both the Alfred Hospital Research Review Committee (2003–2005) and the Health and Social Science Ethics Committee (2007–2009).

Professor Duffy's research profile can be accessed at GoogleScholar:


  • Interventional cardiology

  • Percutaneous treatment of coronary artery disease

  • Management of acute coronary syndromes

  • Structural heart disease

  • Transcatheter aortic valve implantation (TAVI)


Professor Duffy does not routinely bulk bill, however can bulk bill for pensioners and healthcare cardholders on request. You do not need to have private health insurance for an appointment. 

You can only obtain the Medicare refund if you have been referred by another medical practitioner so please bring along your referral with you on the day.

Private Hospital Care

Professor Duffy participates in the 'No-GAP' cover with most of the private health insurance companies. This means that any ‘out of pocket’ doctor’s fees for your medical care in a private hospital will be kept to a minimum. Our office will provide further details at the time of your admission.

Referrals & Fees
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