Our Doctors

Our Doctors

Our doctors are highly trained and experienced in their specialties.Our team works together to provide the best possible care to patients with a wide range of heart conditions including ischaemic heart disease, heart failure, valvular abnormalities, pulmonary hypertension, arrhythmias, hypertension, coronary artery disease, and pulmonary artery hypertension.

Dr Viswanathan Venkatachalam

Dr Venkatachalam is an interventional cardiologist with twenty years of experience in Australia, Canada and India. Following cardiology training in 2001, Dr Venkatachalam went on to specialise in Interventional Cardiology. He completed interventional fellowships at Townsville Hospital, Westmead Hospital and QEII Hospital in Halifax, Canada.

Dr Venkatachalam is a Visiting Medical Officer (V.M.O) at Sydney Adventist, Norwest Private and Macquarie University hospitals. He is a senior clinical lecturer at the Macquarie University and SAN Clinical School affiliated to the University of Sydney. In 2019, 2020 and 2023, he was nominated for the SAN doctor award.

Dr Venkatachalam has extensive interventional skills in performing Coronary Angiogram and Angioplasty procedures utilising both the femoral and radial (arm) approaches. He performs complex coronary interventions involving Rotablation, Intra-vascular Ultrasound, Pressure Wire Study (FFR), Transoesophageal Echocardiogram and Cardioversion. He also does Pacemaker/ Loop recorder checks, Echocardiogram, Stress Echocardiogram, Dobutamine stress Echocardiogram (For patients who cannot walk on the treadmill), 24 hours Ambulatory blood pressure (ABP) and Holter.

Dr Venkatachalam consults at Parkway SAN clinic, Wahroonga and Alpha Specialist Centre, Bella Vista. In his spare time he enjoys spending time with family, reading books, singing and writing poetry. He believes in positive thinking and truly works with his heart to heal other hearts.

Dr Viswanathan Venkatachalam
Dr Viswanathan Venkatachalam
Interventional Cardiologist
MBBS, MD, DM, DNB, FRACP, FCSANZ

Dr Venkatachalam is an interventional cardiologist with twenty years of experience in Australia, Canada and India. Following cardiology training in 2001, Dr Venkatachalam went on to specialise in Interventional Cardiology. He completed interventional fellowships at Townsville Hospital, Westmead Hospital and QEII Hospital in Halifax, Canada.

Dr Venkatachalam is a Visiting Medical Officer (V.M.O) at Sydney Adventist, Norwest Private and Macquarie University hospitals. He is a senior clinical lecturer at the Macquarie University and SAN Clinical School affiliated to the University of Sydney. In 2019, 2020 and 2023, he was nominated for the SAN doctor award.

Dr Venkatachalam has extensive interventional skills in performing Coronary Angiogram and Angioplasty procedures utilising both the femoral and radial (arm) approaches. He performs complex coronary interventions involving Rotablation, Intra-vascular Ultrasound, Pressure Wire Study (FFR), Transoesophageal Echocardiogram and Cardioversion. He also does Pacemaker/ Loop recorder checks, Echocardiogram, Stress Echocardiogram, Dobutamine stress Echocardiogram (For patients who cannot walk on the treadmill), 24 hours Ambulatory blood pressure (ABP) and Holter.

Dr Venkatachalam consults at Parkway SAN clinic, Wahroonga and Alpha Specialist Centre, Bella Vista. In his spare time he enjoys spending time with family, reading books, singing and writing poetry. He believes in positive thinking and truly works with his heart to heal other hearts.

Dr Viswanathan Venkatachalam
Associate Professor Irwin Mohan
Vascular and Endovascular Surgeon
MBBS, MD, FRCS, FEBVS, FRCS, FRACS

Associate Professor Irwin Mohan is a Vascular and Endovascular surgeon. He carried out his training at major vascular units in the United Kingdom, including St Mary’s Hospital, London; Edinburgh Royal Infirmary, and the Royal Liverpool University Hospital, and undertook further training in endovascular techniques at the Royal Prince Alfred Hospital in Sydney, and practiced as a consultant vascular surgeon at Manchester Royal Infirmary in the United Kingdom from 2001 to 2006.

He is a Clinical Associate Professor with the University of Sydney. A/Prof Mohan continues to be an examiner for Vascular Surgery Qualifications in Europe with the European Board of Vascular Surgery, and also for the Royal Australasian College of Surgeons. He serves as a reviewer for a number of international medical journals and has many international publications in the field of vascular and endovascular surgery.

He did research at Imperial College, University of London, for a doctor of medicine research degree (MD) into peripheral arterial disease, homocysteine and platelet function. His clinical and research interests include carotid disease, aortic and peripheral aneurysms, peripheral arterial disease, renal artery interventions, varicose veins and leg ulcers, and diabetic vascular disease.

Associate Professor Irwin Mohan is committed to providing quality and excellence in Vascular Care; with management of all variety of common and uncommon vascular pathologies, including complex and revision surgery, for all Vascular Surgical conditions using both open and endovascular or keyhole surgical techniques.

Associate Professor Irwin Mohan offers a full range of Endovascular and Open surgical management, as well as conservative options for our patients. His speciality interests include:

Arterial Conditions:

  • Aortic aneurysm aneurysms.
  • Thoracic aneurysms and dissections.
  • Peripheral arterial Disease-Claudication, Critical Ischaemia, and Ulcers.
  • Carotid Artery Disease- TIA, Ministroke, Stroke.
  • Peripheral Arterial Aneurysms.
  • Diabetic Vascular Disease
  • Vascular Ulcers

Venous Conditions:

  • Varicose Veins-venous incompetence and ulcers.
  • Deep Vein Thrombosis
  • Endovenous Laser Ablation for major venous incompetence
  • Injection Sclerotherapy (injections) for lesser venous disease.

A/Prof Irwin Mohan is available for consultations at Heart and Beyond, SAN Parkway Clinic, Dee Why and Norwest and currently holds public appointment at Westmead Hospital. He Operates at Westmead Public and Private Hospitals, Norwest Private Hospital, and Sydney Adventist Hospital.

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Affiliations

Cardiac Society of Australia and New Zealand
Sydney Adventist Hospital
Macquarie University Hospital
European Society of Cardiology
American Heart Association
FRACP Adult Medicine
Parkway San Clinic
Norwest

Our Locations

Parkway San Clinic
Suite 101, 172 Fox Valley Rd,
Wahroonga, NSW 2076, Australia
Opening Hours

08:30 – 17:30
Tuesday to Thursday

Norwest
Suite 606, Level 6, Atlas Building,
2-8 Brookhollow Avenue,
Norwest NSW 2153, Australia
Opening Hours

08:30- 17:30
Monday and Friday