Our Team

Prof Anthony O'Sullivan

Professor Anthony O’Sullivan

MBBS FRACP MD MHPEd

Professor Tony O’Sullivan is Professor of Medicine at UNSW Medicine, Sydney. For the past 9 years, he has been the Program Authority (Head), head of curriculum, student affairs, and assessment, for the UNSW Medicine program. His educational research interests are the assessment of medical students, and the teaching and assessment of professionalism. He has a particular interest in portfolio examination and how it can help students’ develop reflective practice.

His biomedical research interests are the hormonal regulation of body composition and energy metabolism especially in pregnancy. Professor O’Sullivan has published widely in high-ranking journals in endocrinology and metabolism, as well as medical education journals.

Professor O’Sullivan is Head of the Department of Endocrinology and Diabetes at St George Hospital and Sutherland Hospitals, Sydney, Australia.

Prof Tony O'Sullivan
Dr Parthasarathy Shanmugasundaram
Dr Parthasarathy Shanmugasundaram

Dr Parthasarathy Shanmugasundaram

MD DM FRACP

Dr Partha Sundaram is a Sydney based consultant renal physician who strongly believes in building relationships with patients to enable them to navigate the complex nature of kidney disease and to help them improve their quality of life. He values the importance of providing information that patients need to help make informed decisions regarding their health care. He appreciates collaboration with other members of the respective health care teams.

He has experience in the management of hypertension, electrolyte abnormalities, glomerulonephritis, kidney stone evaluations, kidney failure including acute and chronic kidney disease, dialysis and provision of care after kidney transplantation. He is involved in supervision and training of advanced trainees in the performance of renal biopsies. His passion is in teaching and improving education of trainees.

He works as a staff specialist nephrologist at the St George and the Sutherland hospitals. He is a fellow of the Royal Australasian College of Physicians and is affiliated with the ANZ Society of Nephrology, The Transplantation Society, AMA, and American Society of Nephrology.

Dr Michael Reyes

Dr Michael Reyes

BSc MD FRACP


  Visit Dr Reyes website

Dr Michael Reyes is a Sydney based Consultant Endocrinologist with clinical expertise in managing diabetes, pregnancy-related endocrine disorders, metabolic syndrome and obesity, thyroid, parathyroid and adrenal disorders as well as polycystic ovarian syndrome. His particular areas of interest are type 1 diabetes, insulin pump use, osteoporosis and bone metabolism disorders, pituitary disorders, and steroid-induced as well as pre- and post-transplant endocrinopathies.

Dr Reyes helped establish the first Endocrine Transplant Clinic at St Vincent’s Hospital, Sydney and was involved in creating protocols for screening diabetes and osteoporosis in heart and lung transplant patients. He is part of the Pre-gestational and Gestational Diabetes Clinics at St George Hospital and runs the Transition and Young Adult Diabetes Service (TrYADS), bridging the care of late adolescents and young adults with diabetes.

Michael is a staff specialist at St George Hospital and a Conjoint Associate Lecturer at the University of New South Wales. He regularly attends national and international meetings and is an active member of the Endocrine Society of Australia, Australian Diabetes Society, Australia and New Zealand Bone and Mineral Society, US Endocrine Society and Australian Medical Association.

Dr Michael Reyes
Gail Wheatley

Gail Wheatley

Practice Manager / Reception

Kiara Isabel Reyes

Admin / Accounting

Kiara Isabel Reyes

Gail Wheatley

Practice Manager / Reception

Kiara Isabel Reyes

Admin / Accounting

Gail Wheatley
Kiara Isabel Reyes

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