Dr Mathew Keegan is a highly trained Gastroenterologist, Hepatologist and Advanced Interventional Endoscopist with expertise in the diagnosis and management of gastrointestinal, liver, pancreatic and biliary disorders.He provides comprehensive care across all areas of gastroenterology, with particular expertise in colonoscopy, gastroscopy, advanced polyp removal (EMR/ESD), endoscopic ultrasound (EUS), ERCP, inflammatory bowel disease, Barrett’s oesophagus, small bowel disorders and pancreaticobiliary disease. He has a strong interest in bowel cancer screening and surveillance, supporting early detection and prevention strategies.Dr Keegan completed his medical degree at the University of New South Wales and undertook advanced gastroenterology training at Royal Prince Alfred Hospital and St George Hospital. He subsequently completed international subspecialty fellowships in advanced endoscopy, inflammatory bowel disease and pancreatobiliary medicine in Australia, the United Kingdom and France.A founding member of the Northern Beaches Hospital multidisciplinary cancer team, Dr Keegan works closely with surgeons, oncologists, radiologists and other specialists to provide coordinated, patient-centred care. His research interests include artificial intelligence in endoscopy, improving diagnostic accuracy and advancing minimally invasive therapeutic procedures.Known for his thorough, compassionate and evidence-based approach, Dr Keegan is committed to delivering high-quality care tailored to each patient's individual needs.

Areas of Expertise

Colonoscopy and bowel cancer screeningGastroscopyEndoscopic Ultrasound (EUS)Endoscopic Retrograde Cholangiopancreatography (ERCP)Advanced polyp removal (EMR/ESD)Inflammatory Bowel Disease (IBD)Barrett's oesophagusSmall bowel endoscopy (enteroscopy)Pancreatic and biliary disordersLiver disease and hepatologyGastrointestinal cancer surveillance

Consulting Locations

Northern Beaches Hospital, Frenchs Forest

Sydney Adventist Hospital, Wahroonga

Mona Vale

Contact Details

Phone: (02) 9090 4333
Fax: (02) 9090 4312
Email: reception@drmathewkeegan.com
HealthLink EDI: tgutnetw
Medical Objects: 455889LX; 455889MH