Our Doctors

Every consultation and every procedure is with one of our own consultant gastroenterologists — experienced specialists who look after you personally, from first appointment to final report.

Dr Jason Grant

Dr Jason Grant

MBBS, FRACP — Gastroenterologist

Dr Grant has been in private practice in Chatswood continuously since 2001. Locally raised, he was dux of St Pius X College, Chatswood, in 1987, before completing his undergraduate medical training at the University of Sydney, graduating in 1994. He undertook postgraduate training in gastroenterology and general medicine at Royal North Shore Hospital, obtaining his Fellowship of the Royal Australasian College of Physicians in 2000.

He holds appointments at North Shore Private Hospital (since 2001), The Mater Hospital (since 2015) and Northern Beaches Hospital (since 2018), where he is Head of the Department of Gastroenterology and a gastroenterology basic physician trainee (BPT) supervisor. His clinical practice spans bowel cancer screening, inflammatory bowel disease, irritable bowel syndrome and liver disease, and he is CCRGTE credentialed for upper gastrointestinal endoscopy and colonoscopy.

Hospitals
North Shore Private Hospital (since 2001); The Mater Hospital (since 2015); Northern Beaches Hospital (since 2018)
Special interests
Inflammatory bowel disease Bowel cancer screening Irritable bowel syndrome Liver disease
Procedures & services
Known Gap gastroscopy & colonoscopy, including endoscopic mucosal resection (EMR) and haemorrhoidal banding; CCRGTE credentialed for upper GI endoscopy and colonoscopy
Qualifications & training
MBBS, University of Sydney (1994); FRACP, Royal Australasian College of Physicians (2000); postgraduate training in gastroenterology and general medicine at Royal North Shore Hospital
Appointments & leadership
Head of Department, Gastroenterology, Northern Beaches Hospital, and gastroenterology basic physician trainee (BPT) supervisor. Previously Head of Internal Medicine, Director of Physician Training and Chair of the Medical Staff Council at Ryde Hospital (2001–2011), and visiting medical officer (VMO) in gastroenterology at the Northern Beaches Health Service (Manly & Mona Vale Hospitals) from 2012–2018.
Dr Sandra Park

Dr Sandra Park

FRACP — Gastroenterologist

Dr Park has been a Fellow of the Royal Australasian College of Physicians since 2000. She provides comprehensive general gastroenterology care and has a research background in pancreatic disease. She participates in the No Gap Scheme.

Hospitals
North Shore Private Hospital; Macquarie University Hospital
Special interests
General gastroenterology Irritable bowel syndrome Reflux disease Diarrhoea & constipation Bowel cancer screening
Academic interests
Pancreatic research, including pancreatic stellate cells and pancreatic cancer
Professional memberships
Fellow of the Royal Australasian College of Physicians (FRACP); participates in the No Gap Scheme
Dr John Chetwood

Dr John Chetwood

MBBS, BSc, DTM&H, FRACP — Gastroenterologist

Dr Chetwood is a consultant gastroenterologist with particular expertise in inflammatory bowel disease — including Crohn's disease and ulcerative colitis — and in intestinal (gastrointestinal) ultrasound. He provides comprehensive diagnostic and therapeutic endoscopy and cares for patients across Sydney's North Shore and Northern Beaches.

He completed advanced sub-specialty training in inflammatory bowel disease and intestinal ultrasound, and holds a Diploma in Tropical Medicine & Hygiene (with distinction) alongside his Fellowship of the Royal Australasian College of Physicians. He is an active member of Australian and international gastroenterology and IBD societies.

Hospitals
North Shore Private Hospital; The Mater Hospital, Wollstonecraft; Northern Beaches Hospital; St Vincent's Private Hospital, Griffith (NSW)
Special interests
Inflammatory bowel disease Intestinal ultrasound Coeliac disease Reflux disease Irritable bowel syndrome
Procedures & services
Gastroscopy and colonoscopy (CCRTGE accredited); balloon enteroscopy; intestinal (gastrointestinal) ultrasound; direct-access endoscopy
Qualifications & training
MBBS, BSc; Diploma in Tropical Medicine & Hygiene (DTM&H), with distinction; FRACP, Royal Australasian College of Physicians; advanced training in inflammatory bowel disease and intestinal ultrasound
Professional memberships
Gastroenterological Society of Australia (GESA); Royal Australasian College of Physicians (RACP); European Crohn's and Colitis Organisation (ECCO); Gastroenterology Network of Intestinal Ultrasound (GENIUS)

Ready to see a specialist?

Ask your GP for a referral, then call our friendly reception team — they'll match you with the right specialist and guide you through everything you need to know.

Call (02) 8964 8619

GP referral required · Medicare rebates available

Book an appointment — (02) 8964 8619