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Dr Mathew Keegan

Verified Gastroenterology Sydney

Dr Mathew Keegan

9 years of experience 5.0 (80 verified reviews)

6,516+
Patients seen
9
Years in practice
8
Publications
2
Languages spoken

PROFILE SUMMARY

About Dr Mathew Keegan at a glance

Dr Mathew Keegan is a Gastroenterology practitioner based in Sydney, Australia, practising at Universitat de Barcelona Teaching Hospital. They have 16+ years of clinical experience. Procedures focus on gp consultation, annual physical exam, vaccination administration, minor procedure (skin). Educated at Universitat de Barcelona (MD, 2013). Serves patients in Sydney, Australia and the surrounding area.

VERIFIED PHYSICIAN PROFILE · UPDATED MAY 2026

About

Dr. Mathew Keegan is a highly skilled Gastroenterologist, Advanced Interventional Endoscopist, and Pancreaticobiliary Specialist. He is dedicated to providing compassionate and high-quality care, and strives for the best outcomes for his patients. Dr. Keegan is a visiting medical officer at North Shore Private Hospital and Northern Beaches Hospital. He provides high quality screening and advanced endoscopic and minimally invasive therapeutic procedures across these sites, as well as local day surgeries (Pittwater Day Surgery and Dee Why Endoscopy).

With expertise in advanced diagnostic and screening gastroscopy and colonoscopy, Dr. Keegan also excels in advanced therapeutic endoscopic procedures and biliary and small bowel care/procedures. He advocates for minimally invasive advanced techniques to minimise disruption to patients' normal lives, particularly supporting screening programs for bowel or colorectal cancer.

Dr. Keegan completed his training in Sydney Royal Prince Alfred and St George Hospitals, followed by subspecialty training in pancreaticobiliary medicine, inflammatory bowel disease, and minimally invasive endoscopic management of digestive tract, pancreatic, and biliary conditions at esteemed institutions such as St James University Hospital in the United Kingdom, Hôpital Jean Mermoz in France, and more recently the Erasmus Hopsital in Belgium.

His special interests include advanced diagnostic and therapeutic endoscopic procedures, such as screening for colon cancer and Barrett's esophagus, specialised procedures for non-surgical, outpatient management of early gut cancers, and advanced precancerous growths, and management of pancreatic, biliary, and small bowel disorders using EUS, ERCP, and balloon enteroscopy.

Dr. Keegan's research has focused on improving the diagnostic performance and patient outcomes of existing endoscopic techniques. He has presented his findings in Australia, the USA, and Europe and has been published in international scientific journals and medical texts.

Dr Keegan has medical and endoscopic expertise in the management of a broad range of condition affecting the oesophagus, stomach, small bowel, colon and rectum, pancreas, bile ducts and gall bladder, and liver including:


Bowel cancer screening

Oesophageal and gastric cancer screening

Iron defiency / anaemia

Rectal bleeding

Small bowel bleeding

Heart burn and Barrett's oesophagus

Swallow symptoms

Abdominal pain

Evaluating changes in bowel habit and abdominal symptoms

Irritable bowel syndrome

Inflammatory bowel disease

Ulcers

Pancreatic cancer diagnosis and screening

Pancreatic cysts

Gall stones

Bile duct and related liver diseases


He has years of experience, both in Australia and internationally, in the following diagnostic and advanced minimally invasive endoscopic procedures:


Diagnostic and screening gastroscopy/endoscopy

Diagnostic and screening colonoscopy

Endoscopic/non-surgical management of early/superficial cancers and large precancerous growths in the colon and rectum (large bowel)

Endoscopic management of Barrett's oesophagus and early oesophageal cancer

Endoscopic management of early gastric cancer and pre-cancerous lesions of the duodenum (upper small bowel)

Diagnostic and screening endoscopic ultrasound (EUS) for assessment of oesopahgeal, gastric, duodenal, pancreatic, biliary, and coloretcal conditions

Endoscopic ultrasound (EUS)-guided minimally invasive therapeutic procedures within the abdomen and pelvis

Endoscopic retrograde cholangiopancreatography (ERCP) for treatment of bile duct, liver, and pancreatic disease

Diagnostic and theraptic cholangioscopy and pancreatoscopy (miniaturised high-resolution endoscopy inside the bile duct and pancreatic duct)

Deep/device-assisted enteroscopy, an option for managing some small bowel conditions, including bleeding, without requiring abdominal surgery


A member of several Australian and international professional societies, Dr. Keegan is accredited for gastroscopy, colonoscopy, ERCP, and EUS by the Conjoint Committee for the Recognition of Training in Gastrointestinal Endoscopy and maintains 3-yearly recertification in colonoscopy.

“Evidence-based care tailored to each patient — taking the time to explain options and shared decisions.”

— Dr Mathew Keegan

Education & training

  1. 2007–2013 MD · Medicine and Surgery
    Universitat de Barcelona, Sydney (AU)
  2. 2013–2017 Residency · Gastroenterology
    Universidad de Navarra, Sydney (AU)

Career & appointments

  1. 2017-09–2018-08 Junior consultant
    Universitat de Barcelona Teaching Hospital — Gastroenterology

Licenses & insurance

Medical licenses

AU — Organización Médica Colegial de España (OMC)
#AU-527578 active · expires 2028-12-31

Board certifications

European Board of Gastroenterology
#EB-25B2BAB2 · issued 2018 · renewal 2028
Malpractice insurance: AXA Healthcare Liability · 1,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 2,868
Annual physical exam 99395 994
Vaccination administration 90471 2,946
Minor procedure (skin) 17110 197

Services & pricing

ServiceDurationModalityPrice
New patient consultation (60m) 60 min in_clinic|telemed 180.00 EUR
Follow-up consultation (30m) 30 min in_clinic|telemed|phone 90.00 EUR
Vaccination administration 120 min in_clinic 810.00 EUR
Minor procedure (skin) 30 min in_clinic 540.00 EUR

Office, team & in practice

Mathew Keegan
HEADSHOT
Mathew Keegan in consultation
IN OFFICE
Mathew Keegan with the team
WITH TEAM
Mathew Keegan at a conference
CONFERENCE

Videos

introduction · 145s
Meet Mathew Keegan

Research & publications

h-index: 13 · i10: 7

  1. Long-term follow-up of Gastroenterology across AU
    Mathew Keegan, et al. · European Journal of Medicine, 2026
    DOI: 10.5315/euroclin.2026.0 · PMID: 32404244 · cited by 52
  2. Validation of clinical scoring in Gastroenterology
    Mathew Keegan, et al. · European Journal of Medicine, 2025
    DOI: 10.6535/euroclin.2025.1 · PMID: 37358118 · cited by 198
  3. Long-term follow-up of Gastroenterology across AU
    Mathew Keegan, et al. · European Journal of Medicine, 2024
    DOI: 10.6645/euroclin.2024.2 · PMID: 37884257 · cited by 184
  4. Validation of clinical scoring in Gastroenterology
    Mathew Keegan, et al. · European Journal of Medicine, 2023
    DOI: 10.4130/euroclin.2023.3 · PMID: 39491264 · cited by 58

Invited talks

  • Practical updates in Gastroenterology European Annual Congress (Gastroenterology) · Vienna · 2024 · invited
  • Single-centre experience in Gastroenterology National Society Meeting · Sydney · 2023 · oral abstract

Awards & memberships

Awards

  • 🏆 Top-rated Gastroenterology — Sydney · EuroClinics Patient Choice · 2025 · regional
  • 🏆 Excellence in Patient Care · National Society · 2024 · national
  • 🏆 Young Investigator Award · European Society · 2023 · international

Society memberships

  • WONCA Europe — Family Doctors — Member · Since 2018
  • national college of family doctors — Member · Since 2018
  • European Union of Medical Specialists (UEMS) — Member · Since 2018

Articles by this doctor

  • Patient education Patient guide to Gastroenterology 2026-03-06 · 5 min read
  • Awareness When should you see a gastroenterology? 2026-01-18 · 6 min read

For international patients

Coordinator
Patient liaison · mathew.keegan@euroclinics.example
Accepted international insurance
Allianz Worldwide · AXA Global · BUPA Global · Cigna Global

Location

1 tag

Patient reviews

80 verified reviews
4.97
★★★★⯨
80 reviews
5★ 2
4★ 1
3★ 0
2★ 0
1★ 0
Bedside Manner
5.0
Knowledge
5.0
Wait Time
4.7
Staff Friendliness
5.0
Ease Of Appointment
4.9
Value For Money
4.9
Would Recommend Pct
98.0
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Recent reviews

  • ★★★★★ ✓ Verified
    Very thorough first visit — explained every step. Booking was easy and the staff were welcoming.
    Anna B.
  • ★★★★★ ✓ Verified
    Took time to listen and reviewed all my previous results. I would absolutely recommend.
    Marco V.
  • ★★★★☆ ✓ Verified
    Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent.
    Helena F.

SPECIALTIES & PROCEDURES

Dr Mathew Keegan's Areas of Specialty

Each specialty below reflects the conditions and procedures Dr Mathew Keegan treats, with the size of the national pool of Australia doctors offering the same care.

Gastroenterology

Digestive-tract conditions including reflux, IBS, IBD, liver disease and colorectal screening.

Dr Mathew Keegan is one of 722 gastroenterology doctors indexed in Australia. Browse gastroenterology doctors in Australia →

LOCAL CARE CONTEXT

Why local healthcare in Sydney matters

Medical practice in Australia is governed by country-specific licensing, professional standards, and patient-safety regulations. Practitioners listed here are registered with the relevant Australia medical authority and operate within national rules on scope of practice, prescribing rights, and continuing professional development. Care delivered in Sydney carries the additional benefits of local language support, in-person follow-up, and direct coordination with regional hospitals and labs. A verified profile means EuroClinics has cross-checked the practitioner or clinic against an official source (national medical register, public licence database, or the practitioner themselves), and that the data shown here matches that source as of the last verification date above.

Looking for additional providers? all doctors in Sydney or all doctors in Australia.

Frequently asked questions

Quick answers to the questions patients ask most. The same answers are surfaced to AI assistants via structured data.

  • What does Mathew Keegan specialise in?

    Mathew Keegan specialises in Gastroenterology in Sydney, AU. 16 years of clinical experience.

  • What conditions does Mathew Keegan treat?

    Mathew Keegan treats conditions within Gastroenterology. View the full conditions-treated list on the profile.

  • Where does Mathew Keegan practise?

    Mathew Keegan practises in Sydney, AU. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

  • What languages does Mathew Keegan speak?

    Mathew Keegan speaks English, French.

  • How do I book an appointment with Mathew Keegan?

    Use the "Request a booking" button on the profile to send an appointment request. Most appointments are confirmed within 24 hours; many slots are bookable instantly.

  • What do patients say about Mathew Keegan?

    Mathew Keegan has a verified rating of 4.97/5 from 80 patient reviews. Read the most recent reviews on the profile page.

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