Meet Dr Sanchoy Sarkar

Consultant Gastroenterologist and Advanced Endoscopist
Honorary Senior Lecturer
FRCP. PhD. MBchB. BSc(hons)

Dr Sanchoy Sarkar
Dr Sanchoy SarkarConsultant Gastroenterologist & Honorary Senior Lecturer

Dr Sanchoy Sarkar is a UK trained Consultant Gastroenterologist for over 15 years. He is currently a consultant advanced endoscopist at the Royal Liverpool University Hospital and Clinical Director of Bowel Cancer Screening in Liverpool and Wirral.

The Royal Liverpool is one of the most prestigious departments for gastroenterology in the UK, and 1 of only 3 national endoscopy training centres in the UK.  He has a tertiary referral practice as a therapeutic endoscopist and bowel cancer screening colonoscopist. His skills include upper GI advanced therapeutics, endoscopic ultrasound (EUS), ERCP and advanced colonoscopy including level 4 polypectomy/EMR and colonic stenting. He is one of the few endoscopists that can perform confocal microlaser endoscopy in the UK.

Teaching and training is very high on Dr Sarkar’s passions as a faculty member of the Mersey School of Endoscopy. He is an accredited mentor for new consultants within the trust with the mentorship IML level 3 certification.

Dr Sarkar was previously the director of endoscopy  in two of the busiest endoscopy units in the UK, initially at Aintree hospital and then at the Royal Liverpool Hospital for 14 years. During this time he developed services, new ways of working and innovation.

As clinical director of Liverpool and Wirral bowel cancer screening centre, he is responsible for delivering colonoscopy and bowel scope screening for catchment population of over 800,000. The centre is one of highest performing screening centres in the UK. He was appointed as a Professional Clinical Advisor for the regional Quality Assurance North West of England Team.

He is a core member gastroenterologist of the regional Early rectal cancer MDT and local colorectal MDT an, is one of the three endoscopists that perform complex polyp removal and rectal cancer staging in Merseyside and Cheshire.

Dr Sarkar runs a specialist clinic within the NHS  in upper GI disease and motility disorders, including unresponsive dyspepsia, noncardiac chest pain and oesophageal motility disorders. He ran a specialist liver clinic whilst at Aintree Hospital and is an experienced endoscopist in managing complex hepatobiliary pancreatic cases with ERCP and EUS.

Other national role includes being  one of only 10 Lead JAG assessors appointed by the Royal College of Physician in April 2014. This is to lead a team of assessors on CQC standard inspection of endoscopy units throughout the UK that seek JAG accreditation.

Dr Sarkar has a strong track record in research with PhD and BSc in physiology and pain mechanisms and I have published over 40 peer reviewed papers and he is an honorary Senior Lecturer at Liverpool University.

Dr Sarkar is a member of the following professional bodies

  • General Medical Council (GMC) and Specialist Register

  • British Medical Council (BMA)

  • Medical Defence Union (MDU)

  • British Society of Gastroenterology (BSG)

  • European Society of Gastro-Intestinal Endoscopy (ESGE)

Dr Sarkar has not only a medical degree, but also a Ph.D in GI Science and a BSc (hons) in Physiology. Listed below are his qualifications and certifications

  • Kingsfund Leadership Programme – 01.19

  • Mentorship Award ILM Level 3 – 7.2013

  • Clinical Leadership- Foundation Certificate – 11.2011

  • Clinical Excellence Award – Level 7

  • FRCP- Royal College of Physcians – 07.2008

  • Advanced Colonoscopy Accreditation – 09.2006

  • CCST in GIM/Gastroenterology – 08.2003

  • Ph.D in GI Science – University Manchester – 03.2000

  • MRCP (UK)- Royal College of Physicians – 07.1996

  • MB.ChB-Medicine – University of Manchester – 07.1993

  • BSc (hons) -Physiology –University of Manchester – 07.1990

In addition to being a Consultant Gastroenterologist and Advanced Endoscopist, Dr Sarkar also holds the following positions of responsibility

Advanced Endoscopist and Consultant Gastroenterologist at the Royal Liverpool Hospital

Clinical Director of Bowel Cancer Screening for Liverpool & Wirral Services

Honorary Senior Lecturer of Liverpool University

Professional Clinical Advisor for Quality Assurance of Bowel Screening North-West of England

Lead Assessor for JAG- Royal College of Physicians

Faculty of the Mersey School of Endoscopy

Bowel Cancer Screening Accreditation Committee

Regional Specialist Early Rectal Cancer MDT member

Colorectal Rectal Cancer MDT Member at Royal Liverpool

Regional Complex Polyp MDT member

Formerly Director of Endoscopy of the Royal Liverpool University Hospital and Aintree University Hospital

Formerly Deputy Programme Director of Gastroenterology Training- Mersey Deanery

Dr Sarkar has published widely in many peer review journals including The Lancet, British Medical Journal, Gastroenterology and GUT. He has presented his research in a multitude of national and international medical conferences. His current research gate score is 41.60 and h-index 15

Full Papers

1. Bond A , Burkitt MD, Cox T, Smart HL, Probert C, Haslam N, Sarkar S: Dual-focus Magnification, High-Definition Endoscopy Improves Pathology Detection in Direct-to-Test Diagnostic Upper Gastrointestinal Endoscopy. J Gastrointestin Liver Dis. 2017 Mar;26(1):19-24

2. Gaglia A, Sarkar S Evaluation and long-term outcomes of the different modalities used in colonic endoscopic mucosal resection. Ann Gastroenterol. 2017;30(2):145-151.

3. Bond A, O’Toole P, Fisher G, Subramanian S, Haslam N, Probert C, Cox T, Sarkar S: New-Generation High-Definition Colonoscopes Increase Adenoma Detection when Screening a Moderate-Risk Population for Colorectal Cancer. Clin Colorectal Cancer. 2017 Mar;16(1):44-50

4. A. Bond & S. Sarkar. How can we Improve Adenoma Detection Rate. Current Colorectal Cancer Reports. Jan 2016. P1-9

5. A. Bond & S.Sarkar. New techniques and technologies to Improve Adenoma Detection Rate: World Journal of Endoscopy: 2015;7:969–80

6. S Subramanian, P O’Toole, N Haslam, M Lombard, P Collins, S Sarkar: Colonoscopy Performance is stable during the course of an extended three session working day. Endoscopy International Open. 2015 Oct;3(5):E494-500

7. J Geraghty, P O’Toole. J Anderson, R Valorie, S Sarkar: National Survey to determine current practices, training and attitudes towards advanced polypectomy in he UK: Frontline Gastroenterol 2015: 6: 83-93

8. E J Britton, S Sidhu, J Geraghty, E Psarelli, S Sarkar. The five year outcome of patients having incomplete colonoscopy. Colorectal Disease 2015 Apr;17(4):298-303

9. J. Nicholson, W.Greenhalf, R. Jackson, T Cox, J. Butler, T.Hanna, S. Harrison, C.Grocock, C.Halloran, N Howes, M Raraty, P Ghaneh, M Johnstone, S Sarkar, H Smart, J Evans, G Aithal, R Sutton, J Neoptolemos, M Lombard; Incidence of Post-ERCP Pancreatitis From Direct Pancreatic Juice Collection in Hereditary Pancreatitis and Familial Pancreatic Cancer Before and After the Introduction of Prophylactic Pancreatic Stents and Rectal Diclofenac. Pancreas. 2015 Mar;44(2):260-5

10. J Geraghty, P Butler, H Seaman, J Snowball, S Sarkar, R Blanks, S Halloran, K Bodger, C J Rees: Optimising faecal occult blood screening: retrospective analysis of NHS Bowel Cancer Screening data to improve the screening algorithm. Br J Cancer. 2014 Nov 25;111(11):2156-62

11. J. Geraghty, S.Sarkar et al; Management Of Large Bowel Obstruction With Self-Expanding Metal Stents. A Multicentre Study Of Factors Determining Outcome. Colorectal Dis. 2014 Jun;16(6):476-83

12. R. Barkalali, N Taggart, A Gaglia, J Dahill, N Haslam, S Sarkar: Innovation in Practice. The in-patient Liaison Nurse role in Endoscopy: Gastrointestinal Nurse; 2014: 12 (10)

13. Bhalme M, Sarkar S, Lal S, Bodger K, Baker R, Willert RP: Endoscopic balloon dilatation of Crohn’s disease strictures: results from a large United kingdom series: Inflamm Bowel Dis. 2014 Feb;20(2):265-70

14. S. Sarkar, J.Geraghty, P.Rooney. Colonic Stenting: A Practical Update. Frontline Gastroenterol 2013;4:219-226

15. S.Sarkar, J.Geraghty, A.Moore, S.Lal, J.Ramesh, K.Bodger. A Multicentre Study to Determine Incidence, Demographics, Aetiology and outcomes of 6 Day Emergency Readmission following Elective Day-case Endoscopy: Eur J Gastroenterol Hepatol. 2012 Dec;24(12):1438-46

16. S. Sarkar, V.Athwal, R.Sturgess, D.Lythgoe, K.Bodger. The Effect of High Quality Assurance in Bowel Cancer Screening on Patient Satisfaction of Colonoscopy. J Gastrointestin Liver Dis. 2012 Sep;21(3):251-8

17. S. Murugesan, M.Davis, J Nicholson, Mark Hughes, N. Haslam , H Smart , S. Sarkar. Evaluation of a new anaesthetist-led propofol sedation service for Endoscopy within a UK Day-Case Setting; Frontline Gastroenterol 2013;4:73-81

18. S.Sarkar, U.Duffy, N.Haslam. Improved clinical outcomes and efficacy with a nurse led colonoscopy surveillance service: Frontline Gastroenterol 2012;3:16-20

19. PK Flanagan, MS Ahmed, S Tin, S Sarkar: Service Implications Of Implementing Safety Guidance Issued For Oral Bowel Cleansing Agents In Colonoscopy: J R Coll Physicians Edinb 2011; 41:100–5

20. K. Bodger, K.Bowering, E.Thompson, S.Sarkar, M.Pearson: All cause mortality after ERCP in England: Clinically guided analysis of hospital episode statistics with linkage to the registry of death. Gastrointest Endoscopy. 2011 Oct;74(4):825-33.

21. S. Sarkar, K. Bowering, W.Azim, K.Bodger. Safer Sedation Practice May Not Translate to Improvements in Endoscopic Outcomes. Provisionally accepted by Eur J. Gastroenterology and Hepatology 2009: 21(5):534-43

22. S. Sarkar, CJ Woolf, A Hobson, DG Thompson, Q. Aziz. Perceptual Wind-up is The Human Oesophagus is Enhanced by Central Sensitization: Gut 2006;55(7):920-5.

23. S. Sarkar, DG Thompson, CJ Woolf, A Hobson, Teri Millane, Q. Aziz. Patients with Chest Pain and Occult Gastro-esophageal Reflux Demonstrate Visceral Pain Hypersensitivity which may be Partially Responsive to Acid Suppression. Am J Gastroenterology 2004. 99 (10); 1998-2006).

24. S. Sarkar, Q. Aziz, CJ Woolf, A Hobson, DG Thompson. The Prostaglandin E2 Receptor-1 (EP-1) mediates acid-Induced Visceral Pain Hypersensitivity in Man. Gastroenterology 2003: 124; 18-25.

25. S. Sarkar, AR Hobson, PL Furlong, CJ Woolf, DG Thompson Q. Aziz. Central Mechanisms Mediating Human Visceral Hypersensitivity: A Cortical Evoked Potential Study. Am J Physiol (Gastroenterology and Hepatology) 2001, 281(5); G1196-G1202

26. S. Sarkar, Q. Aziz, CJ Woolf, A Hobson, DG Thompson. The Contribution of Central Sensitization to NCCP. Lancet 2000;356: 1154-1159
27. Hobson A.R, P.L. Furlong, S. Sarkar, P.Matthews, R. Willet, S. Worthen, B. Unsworth, Q.Aziz. Neurophysiologic Assessment of Esophageal Processing in Noncardiac Chest Pain. Gastroenterology 2006;130(1); 80-88

28. AR. Hobson, RW Khan, S Sarkar, PL Furlong, DG Thompson, Q Aziz. Development of esophageal hypersensitivity following experimental duodenal acidification. Am J Gastroenterology 2004: 99; 813-20

29. AR. Hobson, S. Sarkar, Q. Aziz, P.L. Furlong, D. G. Thompson. Cortical Evoked Potential Study of Afferents Mediating Esophageal Sensation. Am J Physiol (Gastroenterology and Hepatology) 2000, 279(5); G139-G147

30. K Okpa, S Morely, AR Hobson, S Sarkar, T Malaine, DG Thompson, Q Aziz. The role of psychological processes in mediating the pain experience in episodic chest pain; European J of Pain 2003;7:521-9

31. D Hobday, A Hobson, S. Sarkar, P Furlong, DG Thompson. Q. Aziz. Cortical processing of human gut sensation: An evoked potential Study; Am J Physiology (Gastroenterology and Hepatology) 2002: 283(2):G335-339

32. Q. Aziz, DG Thompson, VWK. Ng, S Hamdy, S. Sarkar, MJ Brammer, ET Bullmore, AR. Hobson, I. Tracey, L. Gregory, A Simmons, SCR Williams. Cortical Processing of Human Somatic and Visceral Sensation: Journal of Neuroscience 2000. 20(7); 2657-2663

33. A.Hobson, S. Sarkar, Q. Aziz, P.L. Furlong, D. G. Thompson. .Identification of the Optimal Parameters for recording Cortical Potentials evoked by Mechanical Stimulation of the Human Oesophagus. Neurogastroenterology and Motility 2000. 12(2). 163-172.

34. R. Loose, A. Schnitzler, S. Sarkar, F.Schmitz, J.Volkmann, T.Frieling, H.j.Freund, O.W.Witte, P.Enck. Cortical Activation during Oesophageal Stimulation: A Neuromagnetic Study. Neuroenterology and Motility, 1999; 11(3):

35. Eagan.J.J, Sarkar.S, Hasleton. P.S,Yonan. N,Durani. A.K, Woodcock.A.A Should cryptogenic organising pneumonia be included in the classification of lung allograft rejection; Heart and Lung Transplantation. 97;1268-1269

Case Reports

36. C.Ormerod, D.White, S.Sarkar, S.Lal. Gastric ulcers and swollen kidneys: A rare diagnosis complicating Crohn’s Disease. BMJ Case Rep. 2010 Sep 7;2010.

37. S.Sarkar, V.Tagore, D.White; Abdominal Pain following an attempted Endoscopic Mucosal Resection (EMR) of a Right Sided Colonic Lesion- GUT 2009: 58:p33

38. B. Doshi and S. Sarkar; Topical Administration of Chloramphenicol can induce Acute Hepatitis. BMJ. 2009 Jun 12;338:b1699

39. R. Kia, D. White and S.Sarkar. Ascites; An Usual Presentation of Fistulating Crohn’s Disease. World J Gastrointest Endosc. 2010 Jan 16;2(1):41-3

40. E. Dean, M. Shrotri,V. Tagore, D. White, S. Sarkar: Catastrophic Lower Gastrointestinal Complications following Spinal Surgery; GUT 2006 55: 1262.

41. S Majid, D White, S Sarkar. An Unusual Cause For The Incidental Finding Of Multiple Liver Lesions; GUT 2006; 55: 983

42. G. Singh, S. Sarkar, AK. Manoj, PET Issaacs, CJ Shorrocks. Cerebral venous thrombosis in Acute Inflammatory Bowel Disease; GUT 2004:53(2), 161,206

Book Chapters

43. K. Davis, C. Bushnell, I. Strigo, G. Duncan, C. Kwan, N. Diamant, S. Sarkar, L. Gregory, Q. Aziz. Imaging Visceral Sensations. Proceedings of the 10th Congress of pain; Edited by J. Dostrovsky, D. Carr, M. Koltzenburg. 2004

44. C Musumba and S Sarkar: Advances in Endoscopy. Recent Advances in Gastroenterology Vol.12 edited by Professor Chris Probert 2013.

Published Letters

45. S.Sarkar: Author’s reply to ‘A clinical case of delayed caecal perforation’ . S Sarkar Gut 2009;58:1170-1171

46. S.Sarkar & Paul O’Toole: Author’s Reply to ‘The use of Gelofusin for Endoscopic Mucosal Resection; Gut 2010;59:1447

47. K.Bodger, K.Bowering, S.Sarkar, E.Thompson, Pearson. Authors Reply on Post ERCP mortality and Provider; GIE 2012,75 (5); 1119-2

Our Story

Below gives the timeline of our practice

Dr Sanchoy Sarkar Online

“I was nervous! It was easy – very professional with the right touch of empathy.”

5th July 2019

Service – ★★★★★
Procedure – ★★★★★


“The service I received from Dr Sarkar was excellent. The appointments were conveniant for me. There was sufficient time for me to discuss my concerns and agree to the suggested investigations. The gastroscopy and colonoscopy that I had which were carried out by Dr Sarkar went very smoothly. The service I received was first class.”

28th June 2019

Service – ★★★★★
Procedure – ★★★★★


“From my initial consultation with Dr Sarkar to my endoscopy, I felt assured and relaxed about the procedure (having heard so many disturbing reports from friends). I can only compliment Dr Sarkar for his superb professionalism in every respect. I would never again be afraid if I had to undergo further investigation under his care. The procedure was carried out by Dr Sarkar and his team whilst I was under sedation and was not in any way uncomfortable or caused me any distress. I can only add two words – thank you.”

27th June 2019

Service – ★★★★★
Procedure – ★★★★★

Michael Broom

“Very pleased with treatment. Excellent sedation procedure.”

21st June 2019

Service – ★★★★★
Procedure – ★★★★★


“I have appreciated the very prompt appointment service for both consultation and examinations required. I found all staff, clinical and administrative alike to be pleasant, helpful, friendly and professional. I found no adverse effects and the examinations were both thorough and made as comfortable as possible. I found Dr Sarkar to be of the utmost consideration, skilled and professional. Results were explained thoroughly and clear advice given. I like Dr Sarkar and would consult again if necessary with confidence.”

May 2019

Service – ★★★★★
Procedure – ★★★★★


May 2019

Service – ★★★★★
Procedure – ★★★★★

P E Berger

“Very efficient service and care at the hospital”

May 2019

Service – ★★★★★

Philip Taylor

“Brilliant Service”

Service – ★★★★
Procedure – ★★★★

W Chambers

“Dr Sanchoy Sarkar is a friendly, approachable consultant who gave a good overview of his diagnosis, offered additional details where necessary. He made the procedure itself relaxed and as easy as possible. He was calm, professional and offered explanations throughout the procedure. An excellent all round service. ”

Service – ★★★★★
Procedure – ★★★★★

Victoria Spurole

“Mr Sarkar provided excellent quick consultations. Procedure was quick and painless. Would Highly Recommend. ”

Service – ★★★★★
Procedure – ★★★★★

H Bennet

“Seen on time. Good Communication felt given time to answer questions”

Service – ★★★★★
Procedure – ★★★★★

Mr Williams

“Excellent service for preparation and surgery’”

Service – ★★★★★
Procedure – ★★★★★

Mrs Woan

“I find Dr Sarkar extremely adept at giving you confidence in what he is doing. Explaining where necessary as the procedure proceeds. I cannot believe his expertise could be improved upon. This this my second experience with Dr Sarkar and I appreciate his approach’”

Service – ★★★★★
Procedure – ★★★★★

Kenneth Merrett

“I was treated very courteously by Dr Sarkar and the staff at Spire Liverpool. I am very grateful that my treatment was organized so quickly. Thank you so much Dr Sarkar. I can’t believe how much better I feel after being treated so quickly by the staff at the Royal Hospital.”

Service – ★★★★★
Procedure – ★★★★★

M Pearson

“Dr Sarkar is a terrific professional. He explains all of the issues clearly and sensitivity. I have absolute faith in him. The procedure was very professional and carried out with minimum fuss”

Service – ★★★★★
Procedure – ★★★★★

Anthony Coyne

“The procedure adopted by Dr Sarkar saved me from having to undergo bowel surgery. Skills were immaculate”

Service – ★★★★★
Procedure – ★★★★★


“I have rated the overall service as 5 stars because everything was explained exactly what to expect. I was dealt in a professional manor. The procedure was quick and painless with thanks to all who carried out the procedure.”

Service – ★★★★★
Procedure – ★★★★★

S. Chadwick

“Service Excellent. Was able to see the consultant quickly and have the procedure quickly. All the staff was very nice and reassuring. The only minor negative was that I was sent something via email with a secure link and I was not able to open this on my computer so I never read it. Procedure was very comfortable. No negatives to the procedure I experienced, was able to have the procedure quickly with no discomfort Felt Dr Sarkar was very approachable and professional. Thank you”

Service – ★★★★★
Procedure – ★★★★★

Lucy Wigley

“Excellent care. Considerable time taken due to nature of the procedure, diagnosis and anxiety.Procedure- absolutely excellent. Put at ease. Procedure was painless and very little discomfort if any.”

Service – ★★★★★
Procedure – ★★★★★

Veronica Jones

“5 start service and speedy treatment.Consultant Mr Sarkar very professional and puts you at ease. Treatment options and procedure fully explained which helps a great deal at the consultation stage. Would highly recommend Mr Sarkar. Procedure- excellent. Endoscopy suite team were brilliant. Procedure over in 10 minutes. Sedation was great- no recollection of anything. If you have any worries about this procedure, please don’t worry- very safe hands looking after you!”

Service – ★★★★★
Procedure – ★★★★★


“Mr Sarkar provided excellent, quick consultations. I would highly recommend.”

Service – ★★★★★
Procedure – ★★★★★


“Dr Sarkar was very professional and courteous. I was treated with kindness and sensitivity during a very difficult time.”

Service – ★★★★★

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