MA MD FRCP
36 years of experience
London, SW5 0TU
(+1 more)
20 connections in healthcare
Skill endorsed
by Dr Akeel Alisa, Dr. Syed Hassan and 3 other professionals
36 years of experience
London, SW5 0TU
(+1 more)
20 connections in healthcare
Skill endorsed
by Dr Akeel Alisa, Dr. Syed Hassan and 3 other professionals
Areas of expertise
Contact
Dr John Martin is a Consultant Gastroenterlogist at Imperial Healthcare Trust.
John qualified from Cambridge University and King's College Hospital in 1990 and trained in gastroenterolgy within Northwest Thames. He was appointed as a consultant at Chelsea and Westminster Hospital in 2002 before moving to Charing Cross Hospital in 2006.
John has a vast experience in all aspects of gastroenterology including investigation and management of Inflammatory Bowel Disease and Irritable Bowel Syndrome.
John has a specialist interest in Bowel Cancer Screening, the subject of his MD awarded by the University of London in 2002. He is Director of the West London Bowel Cancer Screening Centre and the National Advisor to Public Health England for endoscopy witin the Bowel Cancer Screening Programme.
John is an expert colonosocpist, performing high quality, safe, comfortable procedures and is accredited to perform colonoscopy within the Bowel Cancer Screening Programme. He provides extensive training to junior doctors within his NHS practice, teaches colonoscopy on National Training Courses and is an examiner for colonoscopy acceditation within the Bowel Cancer Screening programme.
Diseases, Medical Tests and TreatmentsUpper GI Endoscopy
Colonoscopy
Bowel cancer screening
Advanced therapeutic colonoscopy
Capsule endoscopy
Abdominal pain
Diarrhoea or constipation
Rectal bleeding
Bloating
Swallowing dificulties
Nausea or vomiting
Click the bar to read reviews or skill endorsements
General Medical Council
No. 3336920
University of Cambridge
Medicine
Graduated 1989
Member of the British Society of Gastroenterology
Member of the American Society for Gastrointestinal Endoscopy
New appointment
£260Follow-up appointment
£180164-178 Cromwell Rd, London, United Kingdom, SW5 0TU
1 Welbeck St, Marylebone, London, London, United Kingdom, W1G 0AR
Areas of expertise
Contact
This summary was created by AI based on recent reviews
Dr John Martin is professional and clear in his patient consultations. He provides thorough explanations of diagnostic procedures, reassuring patients about their care for many gastrointestinal issues. Patients report positive experiences with colonoscopy and gastroscopy.
Dr Martin saw me at short notice whilst I was away and provided a clear and reassuring explanation of my symptoms for which I was very grateful. Thank you

Thank you for taking the time to leave a review. I am delighted that I was able to help. Best wishes. John Martin
Dr Martin and all the team provided a very accessible and professional service. Appointments were booked quickly, information was clear. A very good experience overall

Thank you for your feedback. I am pleased that you had a positive experience. Best Wishes. John Martin
He was very kind and helpful

Thank you for your positive feedback. Best wishes. John Martin
I am very reassured by Dr Martin’s experience and intellect. He clearly knows his topic and has exceptional abilities. He communicates clearly and well. He is also very personable and likable. I have full confidence in him.

I am delighted that you were happy with your experience. Thank you for taking the time to leave such positive feedback. Best wishes. John Martin
Dr. Martin is excellent. He takes the time to listen, explains everything clearly, and answers questions with patience. His calm and reassuring manner immediately puts you at ease, and you feel that you are in very capable hands. The nurses were wonderful too, always smiling, attentive, and doing their best to make you feel comfortable throughout your visit.

Thank you for taking the time to leave such positive review. It is greatly appreciated, and I am delighted that you had a good experience. Best wishes. John Martin
Dr John Martin is super kind and super helpful and clear during his consultations. He is also super efficient and it is much appreciated.

Thank you for taking the time to leave such positive review. It is greatly appreciated, and I am delighted that you had a good experience. Best wishes. John Martin
Dr Martin listened to me, didn’t make me feel rushed, was thorough and very informative. The hospital was beautiful, clean and inviting. All staff I had communicated with were friendly and professional! I had to travel two hours to visit this hospital, and train fare was expensive but I’d do it again and again to get this level of care and service because you can’t put a price on your health and wellbeing.

Thank you for your feedback. I am delighted that you had a positve experience from myself and the team. BW John Martin
I had a very positive experience with Dr Martin. From the beginning, he was professional, attentive and made me feel completely at ease. He took the time to listen carefully to my concerns, explained everything clearly and answered all of my questions without making me feel rushed. I really appreciated his calm and reassuring manner, as well as the genuine care and attention he showed throughout my appointment. I felt that I was in very good hands and left the consultation feeling reassured and confident about the next steps. I would highly recommend Dr Martin to anyone looking for a knowledgeable, professional and caring doctor.

I am pleased that you were happy with your consultation. Thank you for taking the time to leave your feedback. Best wishes. John Martin
I found Dr Martin to be professional and empathetic. He was a good listener and understood my symptoms, providing a clear understanding of what was going on.

Thank you for taking the time to write a positive review. I am delighted that you were pleased with your experience. Best wishes. John Martin
Attended to discuss findings of Endoscopy and biopsy. Dr. Martin was on time, patient and professional in his dealings. Gave a clear explanation of findings and advised regarding management. He listened carefully and dealt with all my concerns.

Thank you for your feedback. I am delighted that you had a positve experience. Best Wishes. John Martin
Dr John Martin: I have known John for over 20 years and I can say that he is a remarkable gastroenterologist with extensive experience in the field. His dedication and commitment is widely appreciated. He is first class endoscopist and bowel cancer screener. He is well liked and highly respected by his patients and colleagues. I highly recommend him and it is a my pleasure to work alongside.
28 Nov 2025
Dr Akeel Alisa
GastroenterologistDr Martin is a well respected GI specialist with a wealth of knowledge and a reputation for providing great service to his patients
22 Jul 2025
Dr. Syed Hassan
Respiratory DoctorJohn is a highly experienced and skilled gastroenterologist and colonoscopist, with a wealth of knowledge. He is an excellent colleague.
03 Dec 2024
Dr John O'Donohue
GastroenterologistJohn is an expert colonoscopist and bowel cancer screener. He is a superb endoscopy trainer who is always a pleasure to work with.
12 Apr 2024
Dr Adam Haycock
GastroenterologistWhat are Dr John Martin's reviews like?
Dr John Martin's overall patient rating is 4.9 out of 5 stars on Doctify. This is based on 143 reviews.
What languages does Dr John Martin speak?
Dr John Martin speaks English
Where is Dr John Martin located?
Dr John Martin primarily practices at Cromwell Hospital, located at 164-178 Cromwell Rd, London, United Kingdom, SW5 0TU
See more locations
Does Dr John Martin accept new patients?
Dr John Martin generally accepts new patients.
Get in touch with this specialist to enquire as a new patient