MB BS BSc MS FRCS
35 years of experience
Harrow, HA1 3RX
(+2 more)
126 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)
126 connections in healthcare
Skill endorsed
by Dr Georgios Karagiannis, Dr Rajaratnam Rameshshanker and 26 other professionals
Areas of expertise
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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
New appointment
£250Follow-up appointment
£170The Clementine Churchill Hospital, Sudbury Hill, Harrow, United Kingdom, HA1 3RX
Rickmansworth Road, Northwood, London, United Kingdom, HA6 2JW
941 Great West Road, Brentford, Middlesex, United Kingdom, TW8 9DU
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Very good experience. All staff is very good. Specifically Dr Simon Harris. Thanks very much 🙏

Thank you so much for taking the time and trouble to leave your kind review. Best wishes,
Mr Harris is the most wonderful consultant which is why I wouldn't want to see any other for my condition. always professional, thorough, polite and explains everything . Today he arranged for follow up investigations for which I'm so grateful.

Thank you for leaving your lovely review. It means so much. Best wishes as always.
Everything was explained clearly -leaving plenty of time for me to ask any questions

Thank you for your kind review regarding your issues and your colonoscopy. With very best wishes, Simon Harris
Excellent explanation and really appreciated how Mr Harris talked me through my case and the options and I thought his guidance spot on

Thank you so much for taking your time to leave such a gracious review regarding your gallstone symptoms and gallstone surgery operation. Kind regards Simon Harris
Mr. Harris is always very friendly and very professional and following our discussion I felt reassured.

Thank you very much for your review after your follow-up with me following your bowel cancer surgery. I’m pleased that your post-operative surveillance tests remain reassuring. Kind regards, Simon Harris, Consultant Laparoscopic GI surgeon
Great service.

Thank you for coming to see me with regard to your hernia surgery and for leaving such a positive review. Much appreciated, Simon Harris
Doctor Simon Harris is very help full easy to talk to explans every thing very profession and plan language

Thank you very much for taking the trouble to leave such a positive review. Best wishes, Simon Harris
Everything went very well.

Thank you very much for taking the trouble to leave such a positive regarding your laparoscopic hernia repair.
He explained the treatment I could have and how long I would have to Wait until I could get it done

Thank you so much for leaving your kind review regarding your gallstone issues and laparoscopic gallbladder removal.
Highly professional and personable while being business like while providing information required.

Thank you so much for such a positive review regarding your keyhole hernia repair. Very best wishes, Simon Harris, Consultant 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 4.98 out of 5 stars on Doctify. This is based on 17 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.
Get in touch with this specialist to enquire as a new patient