About
The Gut Network
Advanced specialist care. Built on clinical excellence. Driven by quality, innovation and compassion.
OUR STORY
The Gut Network was founded on a shared belief that good healthcare is built on continual improvement and of always asking how care can be made better.
At The Gut Network, we combine advanced specialist care with evidence-based innovation, patient education, compassionate care and a commitment to continually improving the quality of healthcare.
Our specialists are actively involved in advancing their fields through research, education and the adoption of modern techniques, including advanced therapeutic endoscopy and minimally invasive procedures where clinically appropriate. We believe patients should benefit from the latest evidence, the most appropriate treatment options and care that continues to evolve.
Everything we do is driven by a simple goal: to improve outcomes, preserve quality of life where possible, and empower patients to make informed decisions with confidence.
Our values
- Clinical excellence. We pursue the highest standards of specialist care through expertise, evidence and quality.
- Continuous improvement. We believe good healthcare is never static. We continually question, learn, innovate and improve.
- Partnership. We believe the best healthcare is built on a proactive and trust-based partnership between patients, GPs, specialists and the wider healthcare team.
- Clarity. We believe understanding is part of good medicine. We strive to make complex healthcare clearer so patients and clinicians can make informed decisions with confidence.
- Innovation with purpose. We embrace innovation, technology and new evidence where they meaningfully improve patient care.
Our Ethos: Quality
A commitment to continually raising the standard of care.
The Gut Network Team
Advanced Training, Accreditations, and Experience
Dr Keegan has expertise across diagnostic and screening gastroscopy and colonoscopy, advanced therapeutic endoscopy, and minimally invasive resection of early or precancerous lesions (for example, using EMR/ESD). He also manages complex pancreatic, biliary and small-bowel disorders using Endoscopic Ultrasound (EUS), endoscopic retrograde cholangiopancreatography (ERCP) and balloon enteroscopy.
Dr Mathew Keegan takes pride in how much care, thoroughness, attention to detail and time he gives every patient, ensuring that he gives them the best possible evidence-based, holistic, and high-quality care. His dedication to his field and his commitment to his patients are unwavering.
He offers consultations in Frenchs Forest, Wahroonga, via Video Telehealth, with more locations to come. He is a visiting Gastroenterologist at the Sydney Adventist Hospital and North Shore Private, and he also performs procedures at Pittwater Day Surgery and Dee Why Endoscopy.
Patient-Centred Care
Dr Keegan is committed to prompt diagnosis and optimising patient outcomes through high-quality, minimally invasive techniques. He was a founding member of the multidisciplinary team (MDT) at NBH, working closely with fellow specialists to ensure coordinated and comprehensive care for cancer patients.
Advanced Training
Dr Keegan completed his medical degree at UNSW and undertook advanced gastroenterology training at Royal Prince Alfred and St George Hospitals. He later completed subspecialty fellowships in advanced endoscopy, IBD and pancreatobiliary/luminal medicine and endoscopy under renowned specialists at RPA, St James University Hospital (UK) and Hôpital Jean Mermoz (France), followed by an observership at Hôpital Erasme in Belgium. His mentors include some of the most prominent names in advanced interventional endoscopy.
Advanced Endoscopy Accreditations
Dr Keegan is accredited for gastroscopy, colonoscopy, ERCP and EUS by the Conjoint Committee for the Recognition of Training in Gastrointestinal Endoscopy, and is a member of several Australian and international professional societies, including the World Health Organisation’s FIDES Network and the World Gastroenterology Organisation’s AI Taskforce. He is in the 2026 cohort of the World Endoscopy Organisation's selective EUS programme.
Innovation, Research and Medical Advancement
Dr Keegan’s research interest is in improving diagnostic accuracy, therapeutic outcomes, procedural quality and safety in interventional and general endoscopy. His work spans AI applications in EUS and ERCP, EMR/ESD optimisation and pancreatobiliary endoscopy, with past international publications and presentations across Australia, Europe and the US, and has been published in international scientific journals and medical texts. Dr Keegan is an invited reviewer for the American Society for Gastrointestinal Endoscopy’s (ASGE) journals VideoGIE and Gastrointestinal Endoscopy.