MB BS BSc MS FRCS
General Surgeon
35 years of experience
Harrow, HA1 3RX
(+2 more)
129 connections in healthcare
Skill endorsed
by Dr Georgios Karagiannis, Dr Rajaratnam Rameshshanker and 26 other professionals
35 years of experience
Harrow, HA1 3RX
(+2 more)
129 connections in healthcare
Skill endorsed
by Dr Georgios Karagiannis, Dr Rajaratnam Rameshshanker and 26 other professionals
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Mr Simon Harris is a Consultant General Surgeon who has worked within the NHS in London for over 15 years, based at Hillingdon Hospital and Mount Vernon Hospital, part of The Hillingdon Hospitals NHS Foundation Trust.
He trained at Charing Cross Medical School and is a Fellow of the Royal College of Surgeons of England. He also holds a Bachelor of Science degree and was awarded a Master of Surgery (MS) from St George’s Hospital, University of London, for research into the aetiology of colorectal cancer.
Mr Harris has a specialist interest in laparoscopic (keyhole) surgery, including upper gastrointestinal surgery, colorectal surgery and colorectal cancer surgery. His advanced training includes extensive experience at the Minimal Access Therapy Training Unit (MATTU) at Addenbrooke’s Hospital, Cambridge, and the Institute of Tele-Surgery in Strasbourg, France.
His clinical practice includes the management of complex surgical cases, including patients with previous abdominal surgery, recurrent hernias, sports hernia and Gilmore’s groin. He has performed a high volume of laparoscopic procedures, including gallbladder surgery and groin hernia repair for inguinal, femoral, umbilical and incisional hernias. He also performs laparoscopic cholecystectomy for gallstones, gallbladder polyps, biliary colic and gallstone-related pancreatitis.
Mr Harris undertakes assessment and investigation of abdominal symptoms using blood tests and imaging modalities such as X-ray, ultrasound, MRI, MRCP and PET scanning. He also performs diagnostic and therapeutic endoscopy and colonoscopy, including polyp removal and investigation for bowel cancer. Where appropriate, he offers alternative diagnostic options such as CT virtual colonoscopy.
He has extensive experience in the investigation and management of diverticular disease, including the treatment and prevention of recurrent diverticulitis. He routinely assesses patients with symptoms suggestive of abdominal or bowel cancer and performs laparoscopic bowel cancer surgery in both NHS and private settings.
Mr Harris is a core member of the Colorectal Cancer Multidisciplinary Team at Hillingdon Hospital.
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General Medical Council
No. 3466924
University of London
Medicine
Graduated 1990
University of London
Pharmacology and Therapeutics
Graduated 1987
Royal College of Surgeons
Surgery
Graduated 1997
Université de Strasbourg
Laparoscopic surgery
Graduated 1994
MB BS Charing Cross and Westminster Medical School
BSc London
MS St. George's Hospital, University of London
FRCS Royal College of Surgeons
(2068)
The Clementine Churchill Hospital, Sudbury Hill, Harrow, United Kingdom, HA1 3RX
(647)
Rickmansworth Road, Northwood, London, United Kingdom, HA6 2JW
(496)
941 Great West Road, Brentford, Middlesex, United Kingdom, TW8 9DU
I had to wait an hour for the appointment. The consultation itself was fine.
Waiting time was long

Thank you for taking the trouble to leave a review. I am sorry your appointment was delayed: I try very hard to give each patient the time and consideration that they and their condition merit, and unfortunately this does mean that there is occasionally a wait to be seen. Best wishes, Simon Harris
Mr Harris and his medical team have made an incredible difference to my wellbeing and general health. I am in Mr Harris’s debt, he has been truly wonderful and is a real credit to Mount Vernon and the NHS.

Thank you very much for your very positive review and for coming back to see me again after your previous surgeries. With very best wishes, Simon Harris, Consultant Surgeon.
My meeting was good and advice given was very helpful

Thank you very much for coming to see me with regard to your hernia issues and for your very positive review. Best wishes, Simon Harris, laparoscopic/keyhole surgeon
Its really nice to get doctor like him and his team. He is really friendly and nicely he explain me so nice .

Thank you very much for your very positive review which I will pass on to my team members……any people work behind the scenes and are so are always appreciative of compliments. With very best wishes, Simon Harris, Gastro/Surgery Consultant.
Very helpful & kind. Listened and gave good advice

Thank you very much for taking the time to make such a positive review with regard to your endoscopy /OGD investigation for your upper abdominal symptoms. With very best wishes, Simon Harris, Consultant Surgeon
Clear, professional and friendly

Thank you very much for your review of your inguinal hernia symptoms and surgery. I am very pleased you had such a positive outcome and wish you all the best for the future. King regards, Simon Harris, Laparoscopic hernia super specialist surgeon, London
Excellent experience of procedure per and post examination

Thank you for your very positive review regarding investigation and treatment for your abdominal and gall bladder symptoms.
Very good experience All staff were very professional

Thank you very much for taking the time to do a review. It is very reassuring you had such a positive interaction with myself and indeed all the team involved. Kind regards, Mr Simon Harris, Consultant Gastrointestinal and Minimally Invasive / Keyhole Surgeon
Very helpful and reassuring

Thank you very much for taking the time to make a review, and for choosing to come to see me with regards to your gallbladder issue. Best wishes, Simon Harris, consultant laparoscopic and gastrointestinal surgeon
Simon is an exceptional surgeon with significant experience in dealing with a broad spectrum of surgical problems. I would highly recommend him.
20 Mar 2026
Dr Georgios Karagiannis
Cardiologist
Dr Rajaratnam Rameshshanker
GastroenterologistMr Harris is a very skilful, experienced, empathetic and professional surgeon. Patient safety is topmost in his career
24 Feb 2026
Dr. Oluseye Balogun
AnaesthetistMr Harris is a,well recognised surgeon, excellent feedback from his patients and medical staff. I highly recommend him.
22 Feb 2026
Mr Bilal Al-Obaidi
Orthopaedic SurgeonWhat are Mr Simon Harris's reviews like?
Mr Simon Harris's overall patient rating is 4.91 out of 5 stars on Doctify. This is based on 19 reviews.
What languages does Mr Simon Harris speak?
Mr Simon Harris speaks English and French
Where is Mr Simon Harris located?
Mr Simon Harris primarily practices at The Clementine Churchill Hospital (part of Circle Health Group), located at The Clementine Churchill Hospital, Sudbury Hill, Harrow, United Kingdom, HA1 3RX
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Does Mr Simon Harris accept new patients?
Mr Simon Harris generally accepts new patients.
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