We are a group of medical specialists comprising endocrinologists, general physicians and a nephrologist. We manage a range of conditions that include diabetes, overweight and obesity, lipid disorders, hypertension, kidney impairment , adrenal disorders, thyroid disorders, menstrual disorders such as polycystic ovarian syndrome or menopause, androgen deficiency , pituitary disorders, growth disorders , osteoporosis and disorders of bone mineral metabolism. Our doctors have access to various private and public hospitals in Sydney, should patients require admission for further investigations and management. Please contact our friendly reception staff and doctors for more information.


Associate Professor Ken Ho


is a Consultant Physician and Endocrinologist with clinical and research interests in Diabetes, Obesity and General Endocrinology.

He trained at St George, and Bankstown hospitals and researched at the Garvan Institute of Medical Research. He previously received a full-time National Health and Medical Research Council (NHMRC) scholarship and other diabetes grants for his PhD studies on the role of iron chelation for the treatment of glucose, lipids and obesity.
He received the Novartis Young Scientist award from the Endocrine Society of Australia in 2009.
His research was published in the Journal of Clinical Investigation in 2010.… Read more about Associate Professor Ken Ho

Dr Lorraine Pereira

MBBS, MMed(ClinEpi), Msc (Endocrinology and Diabetes), FRACP, BSc (Nutrition)(Hons1)

Dr Lorraine Pereira is a consultant endocrinologist with interests in thyroid, pituitary, adrenal disorders, diabetes, obesity, gestational diabetes, metabolic bone disorders, and general endocrinology.
Prior to medicine, Dr Pereira studied advanced nutritional sciences and has previously worked as a dietitian.
She obtained her medical degree from the University of Sydney, followed by Master of Medicine (Clinical Epidemiology) from the same university and Masters in Endocrinology and Diabetes from Barts University, London. For her physician fellowship in Endocrinology, she trained extensively at Liverpool Hospital, St Vincent’s Hospital and Blacktown Hospital.… Read more about Dr Lorraine Pereira

Dr. Anna Zheng


Dr. Anna Zheng  is a Consultant Endocrinologist and Physician with clinical and research interests in Diabetes, Thyroid, Osteoporosis, Andrology and General Endocrinology.

Dr Zheng practices at Ryde Endocrinology as well as at public hospitals.… Read more about Dr. Anna Zheng

Dr Amanda Ying Wang


Dr Amanda Ying Wang is a Consultant Nephrologist and General Physician. She has clinical expertise in acute kidney injury, chronic kidney disease, hypertension, diabetic kidney disease, glomerular disease and haemodialysis. She has research experience in acute kidney injury, chronic kidney disease, hypertension and dialysis therapy.

She undertook PhD studies from the University of Sydney and had completed a postdoctoral fellowship at the George Institute for Global Health. She is currently holding the National Heart Foundation fellowship,… Read more about Dr Amanda Ying Wang

Dr Flavia Bueno


Dr Flavia Bueno specialized in Endocrinology overseas in 2002, and undertook training again when she moved to Australia, both in Concord as well as Campbelltown hospital. She also has a background in Emergency Medicine and worked for several years as an Emergency CMO at different Sydney hospitals.

She enjoys working with all aspects of endocrinology and has a special interest in Women’s Health, such as Polycystic Ovarian Syndrome, Menopause and Menstrual Irregularities. She is also interested in Obesity, Type 2 diabetes, Bone and Adrenal disorders.… Read more about Dr Flavia Bueno

Dr Meena Rattan


Dr. Meena Rattan is general paediatrician with special interest in behavioural and neurodevelopmental paediatrics.

She is the head of department for Paediatrics at Ryde hospital. She completed her fellowship training from Children Hospital Westmead and worked as consultant in SWLHD and CCLHD. She has a Master’s in public health and health management from UNSW and is involved in teaching and research activities… Read more about Dr Meena Rattan


Ryde hospital is a public hospital servicing the needs of  Ryde- Eastwood- Epping-Carlingford community in Sydney.
The wider geographical coverage may include the Hills district, and Parramatta.
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Macquarie University Hospital is committed to delivering a positive patient experience and superior clinical outcomes
through the best available care and the latest technologies.
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