Dr Dewar performs surgery of the hip, knee and complex trauma. He is a Fellow of the Royal Australasian College of Surgeons and Australian Orthopaedic Association and has participated in international sub-speciality fellowship training.

Dr Dewar moved to Newcastle in 2004 after completing his undergraduate medical science degree and post graduate medical degree from the University of Sydney with honors.

Dr Dewar then worked throughout the Hunter region for the next 9 years, completing both his basic and advanced orthopaedic training. He was awarded his fellowship from the Royal Australasian College of Surgeons and Australian Orthopaedic Association in 2013. He subsequently went on to complete two further subspecialty fellowships.

His first fellowship was at Prince of Wales Hospital and Sydney Childrens Hospital where he worked with leading orthopaedic surgeon Dr Michael Solomon refining his abilities in hip and knee surgery and hip preservation surgery.

Dr Dewar was then awarded a prestigious orthopaedic fellowship at the Hospital for Special Surgery in New York USA. The Hospital for Special Surgery has consistently been ranked as the number one hospital for orthopaedic surgery in North America. During this one year fellowship Dr Dewar worked with Dr David Helfet and developed his skills in complex pelvic and acetabular trauma, simple and complex upper and lower limb trauma and fracture non-union surgery.

Dr Dewar is significantly involved in research, with multiple international presentations and publications. He has completed a PhD at the University of Newcastle and has presented his work at national and international meetings. 

Dr Dewar works in both Public and Private sectors and currently holds appointments at the John Hunter Hospital and Lake Macquarie Private Hospital.