A/Prof Roger Chen

Endocrinologist

Associate Professor Roger Chen is a Consultant Endocrinologist who has worked in the Blacktown area since 1996 and is committed to the care of patients in Western Sydney. He looks after patients with diabetes, obesity, general endocrine disorders and osteoporosis.

He teaches medical, nursing and other allied health professionals at both undergraduate and postgraduate levels, and is Clinical Associate Professor in Medicine at the University of Sydney, and Adjunct Professor at UTS. He graduated from the University of Sydney, obtained the Fellowship of the Australasian College of Physicians in 1996 and his PhD in Medicine in 2001. He has interests also in the relationship between diabetes and mental illness.

Dr Ramy Bishay

Endocrinologist

Dr Bishay is a staff specialist endocrinologist and clinical director of the Metabolic & Weight Loss Program at Blacktown Hospital. He also works privately as an endocrinologist at the Hills Specialist Group in Bella Vista and Fairfield.

He graduated from the University of Toronto with a bachelor’s and master’s in cardiac transplantation and studied medicine at the University of Sydney. He has published dozens of articles (including a book) and has given talks at both national and international conferences in endocrinology and metabolic disease. He is an adjunct senior clinical lecturer at Western Sydney University. He is interested in the metabolic effects of weight loss on improving diabetes control, fatty liver disease and body composition using both lifestyle and weight loss (bariatric) surgery.

A/Prof Jane Overland

Nurse Practitioner, Clinical Associate Professor at the University of Sydney

Dr Rajini Jayaballa

Endocrinologist

Dr Rajini Jayaballa is an Endocrinologist at Macquarie University Hospital and Staff Specialist Endocrinologist at Blacktown-Mount Druitt Hospitals. She is passionate about delivering high quality, individualised, evidence-based patient care. She has clinical expertise in a wide range of endocrine problems: diabetes  (type1, 2, prediabetes), achieving weight loss with metabolic syndrome and obesity, polycystic ovarian syndrome, pregnancy-related endocrine disorders including gestational diabetes, thyroid, parathyroid and calcium disorders, adrenal, pituitary disorders, and bone disorders like osteoporosis and neuroendocrine disease.

Dr Jayaballa completed her medical degree in Unversity of Otago, New Zealand and subsequently moved to Sydney, Australia to complete her specialist training in Endocrinology at Liverpool. Campbelltown and Blacktown hospitals. She is the Clinical Lead of the High-Risk Foot Service at Blacktown Hospital. She is also the Clinical lead at Western Sydney Diabetes, working within a team to raise awareness and beat pre-diabetes and type 2 diabetes in Western Sydney.

She runs case conference sessions with general practitioners, practice nurses, pharmacists in the community. Dr Jayaballa has professional affiliations with the Royal Australasian College of Physicians, the Endocrine Society of Australia, Australian Diabetes Society, and American Endocrine Society. She has authored peer-reviewed articles and presented at national and international endocrine conferences. She regularly delivers lectures to general practitioners and medical students at Western Sydney University.