Your Medical Specialists

Prof. Ian Chapman MBBS, PhD, FRACP

Prof. Chapman is an endocrinologist who consults at the Marden surgery. He also consults at Wallaroo and the Royal Adelaide Hospital, where he is a senior specialist. He is a professor at the University of Adelaide where he conducts research on nutrition in older people, and co-chairs the University’s Faculty of Health Sciences Admission Committee.

Prof. Peter Clifton MBBS, B Med Sci, PhD, FRACP

Prof. Clifton is a general physician specialising in endocrinology/dyslipidaemia. He has been Head of the Clinical Research Unit at CSIRO Health Sciences and Nutrition since 1994, and been theme leader for Obesity and Health since 2004. He is now responsible for all food and health related research in both CSIRO Human Nutrition and Food Science Australia. Prof. Clifton has developed strategies to modify cardiovascular risk, and in recent years broadened the focus to the control of obesity and obesity-related conditions, including management of hyperglycaemia and disordered lipids in diabetic and insulin-resistant subjects, and strategies to modify macronutrient intake in order to optimise weight loss in the obese.  Prof. Clifton is responsible for the management of a specialised support team comprising research dietitians, registered nurses and clinical trial managers, which plans and coordinates volunteer studies, conducts pre-launch product testing and efficacy trials, offers consultancy services, provides research advice and literature reviews, and conducts education and information programs. 

Dr. James Hunt BSc, MBBS, FRACP

Dr. Hunt is a consultant gastroenterologist who has a particular interest in motility disorders of the gastrointestinal tract, having completed a fellowship in oesophageal motility and reflux studies at The Royal Adelaide Hospital in 2014. Dr Hunt was awarded a Bachelor of Medicine by Flinders University in 2007. He undertook his gastroenterology training in Sydney, Darwin and Adelaide and was awarded his Fellowship of the Royal Australasian College of Physicians in 2014. He has accreditation to perform gastroscopy and colonoscopy at Calvary North Adelaide. Dr Hunt prides himself on expert, empathetic care with excellent skills in explaining medical concepts.


Dr. David Jesudason MBBS, FRACP

Dr. David Jesudason is an endocrinologist who consults at our Marden Surgery.  Dr. Jesudason also consults at the Queen Elizabeth Hospital and the Royal Adelaide Hospital.  Dr. Jesudason is the Director of Endocrinology and Diabetes at the Queen Elizabeth Hospital and the Director of Endocrinology for Country Health SA.  Dr. Jesudason is a member of the Royal Australasian College of Physicians and the Endocrine Society of Australia.  Dr. Jesudason is involved with the University of Adelaide and is a Clinical Lecturer for the University.  Dr. Jesudason has special interests in diabetes and thyroid disorders, osteoporosis, hyperthyroidism, and pituitary and adrenal disease.