Accepting new patients
Prof. Dr.
Dr Gary Mackenzie
Gastroenterology
- 🇬🇧
- GP consultation
- Annual physical exam
- Vaccination administration
- Minor procedure (skin)
About Dr Gary Mackenzie
Dr Gary Mackenzie is a Consultant Gastroenterologist and a Colorectal Cancer Screening Colonoscopist. Within Gastroenterology, Gary has an interest in acid reflux and minimally invasive diagnostic and therapy techniques. He is also an endoscopy trainer and has also been a bowel cancer screening colonoscopist since early 2014. He is now a mentor within the National Bowel Cancer Screening Programme and most recently is Lead for Inflammatory Bowel Disease. Until late 2016, Gary was Lead Clinician for Endoscopy and Gastroenterology, and in the past has been Lead Clinician for Digestive Diseases and General Surgery as well as Endoscopy Training Lead. He is now focusing on bowel cancer screening and minimally invasive diagnostic techniques. Gary has set up and runs the local capsule endoscopy service for investigation of the small bowel principally examining for causes of abdominal pain and anaemia. He has also set up and runs the local pH and manometry services for the treatment of acid reflux and swallowing disorders. He trained at St Bartholomew's Hospital in London after previously obtaining a first class honours degree in epidemiology and statistics from the University of London before choosing a career in Gastroenterology. Subsequently, he has been awarded a PhD from University College London examining new diagnostic techniques for the diagnosis of gastro-oesophageal reflux disease, Barrett's oesophagus and the development of gastrointestinal cancer and its treatment.
"Evidence-based care tailored to each patient — taking the time to explain options and shared decisions."
Credentials & verification
Medical license
Organización Médica Colegial de España (OMC) · GB
#GB-53903
Valid until 2028-12-31
Verify with issuerBoard certification
European Board of Gastroenterology
#EB-61DEFF36
Renewal due 2032
Verify with issuerMalpractice cover
Allianz Professional
4,000,000 EUR
Valid until 2026-12-31
No claims on file
Education & training
-
2011–2017
MD · Medicine and Surgery
Universitat de Barcelona (GB)
-
2017–2021
Residency · Gastroenterology
Universitat de València (GB)
Career & appointments
-
2021-09–2022-08
Junior consultant
Universitat de Barcelona Teaching Hospital — Gastroenterology
Procedures & conditions
| Procedure | Code | Lifetime volume |
|---|---|---|
| GP consultation | 99213 |
627 |
| Annual physical exam | 99395 |
3,045 |
| Vaccination administration | 90471 |
1,157 |
| Minor procedure (skin) | 17110 |
1,306 |
Patient reviews
See all 459"Very thorough first visit — explained every step. Booking was easy and the staff were welcoming."
"Took time to listen and reviewed all my previous results. I would absolutely recommend."
"Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent."
Recognition & press
Awards
- Top-rated Gastroenterology — — EuroClinics Patient Choice · 2025 regional
Society memberships
- WONCA Europe — Family Doctors — Member · since 2022
- national college of family doctors — Member · since 2022
- European Union of Medical Specialists (UEMS) — Member · since 2022
Your consultation, step by step
- 1 Choose a slot
- 2 Brief pre-consult form
- 3 Consultation
- 4 Follow-up note & plan
Services & pricing
New patient consultation (60m)
Follow-up consultation (30m)
Vaccination administration
Minor procedure (skin)
Research & publications
h-index: 17 · i10: 6
Selected publications
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Validation of clinical scoring in Gastroenterology
DOI: 10.9966/euroclin.2026.0 · cited by 171
-
Long-term follow-up of Gastroenterology across GB
DOI: 10.4854/euroclin.2025.1 · cited by 89
Show full research record
Invited talks
- Practical updates in Gastroenterology · European Annual Congress (Gastroenterology) · Vienna · 2024
- Single-centre experience in Gastroenterology · National Society Meeting · · 2023
Articles by Dr Gary Mackenzie
Frequently asked
01. Do you accept new patients?
Dr Gary Mackenzie is currently accepting new patients. Use the booking module to choose a slot.
02. Which languages can I be seen in?
Consultations are available in English.
03. Is the consultation in-person or online?
Most services are offered both in-clinic and via telemedicine. Each service card above marks its modalities.
04. Do you accept my insurance?
Please use the booking flow to enter your insurance — we verify and confirm before your slot.
05. What is the cancellation policy?
Free cancellation up to 24 hours before your slot. Last-minute cancellations may incur a small administrative fee.
06. How is my health data protected?
All records are stored on EU servers, field-level encrypted, and GDPR compliant. Data is never shared with third parties without your explicit consent.
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