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General Surgery
Recommended by 2 specialists
23 years of experience
Colorectal Surgery, Laparoscopic (Key-Hole) Surgery

Mr Said Mohamed is a highly respected Consultant Laparoscopic Colorectal and General Surgeon, with particular expertise in the treatment of inflammatory bowel disease, colorectal cancer, as well as benign colorectal conditions, including anal fissure, anal fistulae and haemorrhoids. 

After obtaining his medical degree at The Queen's College at the University of Oxford, Mr Mohamed undertook extensive surgical training at the NHS London Postgraduate Deanery, before moving on to complete advanced colorectal surgery training at the University College Hospital and Guy’s and St Thomas’ Hospital in London.

As an expert endoscopist and accredited bowel scope screening endoscopist, Mr Mohamed offers top quality treatment for large colorectal polyps and early rectal cancer, and is the Endoscopy Lead for training at Croydon University Hospital NHS Trust. Mr Mohamed also specialises repairs and reconstructions of all kinds, including abdominal wall herniae reconstruction, as well as component separation for large incisional herniae.

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Offers video consultation
Recommended by 3 specialists
23 years of experience
Irritable Bowel Syndrome (IBS)

Dr Edward John Despott is a Consultant Gastroenterologist and Interventional Endoscopist based in London, practicing privately at The Wellington Hospital and the Royal Free Hospital. His specialisms include endoscopy (keyhole surgery), double-balloon enteroscopy (DBE), colonoscopy and gastroscopy. Furthermore, he has expertise in capsule endoscopy and polyps.

Dr Despott´s expertise, which also lies in therapeutic colonoscopy, transnasal upper GI endoscopy, inflammatory bowel disease and its' related complications, is also reflected in his clinical academic work as Honorary Associate professor at University College London's Institute of Liver and Digestive Health. He leads his students in the essential areas of endoscopy service delivery, education and training.

Dr Despott is highly qualified, reflecting his impressive reputation as a top specialist. He graduated from the University of Malta in 1999, completed his general professional training there and then moved to the UK to pursue higher specialist training in gastroenterology and general (internal) medicine within the North East Thames rotation of the London Deanery School of Medicine. He also underwent advanced endoscopy training at the Wolfson Unit for Endoscopy at St Mark’s Hospital and Academic Institute and did formal research at Imperial College London, achieving a further doctorate in medical research -MD(Res), a PhD equivalent.

Dr Despott is an active member of groups including the British Society of Gastroenterology (BSG), the European Society of Gastroinestinal Endoscopy (ESGE), where he is on the guidelines committee for small bowel endoscopy, and the American Society of Gastrointestinal Endoscopy (ASGE). He is the senior associate editor of VideoGIE, an official journal of ASGE. He has national and international experience in lecturing, training courses and holding masterclasses, performing live endoscopy demonstrations and travelling fellowships in Japan for the Japanese GI Endoscopy Society (JGES) and BSG.

Dr Despott's research has been widely published in various scientific peer-reviewed papers, book chapters and review articles. He regularly acts as a referee for widely respected journals. He is also a fellow of the European Board of Gastroenterology and Hepatology (FEBGH), the ASGE (FASGE) and the Royal College of Physicians (FRCP), London.

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General Surgery
Recommended by 1 specialist
33 years of experience
Laparoscopic (Key-Hole) Surgery, Colorectal Surgery

Mr Colin Elton is a respected Consultant General, Colorectal and Laparoscopic Surgeon working at Barnet Hospital and Edgware Community Hospital. He has expanded his colorectal practice to perform laparoscopic and robotic resections for colorectal cancer and rectal prolapse, introducing newer haemorrhoid procedures such as haemorrhoidal artery ligation (HALO). He also runs courses in London, teaching this procedure to other consultants. His other clinical work centres around hernia repairs and he regularly performs laparoscopic repairs on adults and children.

Mr Elton has worked with NHS Barnet to set up a one-stop colorectal service based at Barnet Hospital and is the Clinical Lead for Endoscopy at Barnet and Chase Farm NHS Trust. Although his surgical workload provides a busy schedule, he is also committed to training. He has recently organised an innovative teaching programme for surgical registrars to learn hernia repairs and laparoscopic cholecystectomy and has organised courses for students and junior doctors.

It is important that HCA is transparent about our relationship with those doctors who provide us with clinical guidance on delivering the best possible care to patients and operating our hospitals safely and efficiently. We set out here some of the ways in which we work together and the amount we pay this doctor for such services.

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Offers video consultation
Recommended by 6 specialists
24 years of experience

Dr Ameet Dhar is a leading Consultant Hepatologist based at the Liver and Anti-viral Unit at St Mary's Hospital, Imperial College Healthcare NHS Trust, London, and in the Department of Hepatology and Liver Transplantation at the Royal Free Hospital, London. He is also Clinical Lead for Hepatology at Imperial College Healthcare NHS Trust, and current Lead for the Hepatology Clinical Reference Group for the the North West London Intergrated Care System (NHS). He is Lead for cirrhosis and portal hypertension, pre- and post-transplant medical care at Imperial College NHS Trust. 

Dr Dhar qualified in medicine from Guy's and St. Thomas's Hospital in London and went on to complete his training in general internal medicine and gastroenterology in North West London. He undertook a sub-speciality training in hepatology at Imperial College Healthcare NHS Trust and the Royal Free Hospital during which he also obtained his PhD studying the mechanisms of liver fibrosis, including in Hepatitis C pre- and post-transplantation, and the role of coagulation proteins.

Dr Dhar sees and treats patients with all general liver conditions including alcohol-related liver disease, fatty liver disease, viral hepatitis, and autoimmune disorders of the liver. He provides comprehensive care for patients with cirrhosis and its complications, including portal hypertension, ascites and portal hypertension, pre- and post-transplant medical care

Dr Dhar is actively involved in clinical research and has a keen interest in care for patients with cirrhosis and prevention of liver fibrosis. He has co-authored a large number of peer-review publications and regularly presents at national and international conferences. Dr Dhar is also passionate about teaching and he is an Honorary Senior Lecturer at Imperial College London, and is currently responsible for the Hepatology section of the Royal Society of Medicine (RSM). 

His private practice is based at the Wellington Hospital (inpatient, outpatient, endoscopy), Lindo Wing, St Marys Hospital (inpatient and outpatient) and One Welbeck. 

It is important that HCA is transparent about our relationship with those doctors who provide us with clinical guidance on delivering the best possible care to patients and operating our hospitals safely and efficiently. We set out here some of the ways in which we work together and the amount we pay this doctor for such services.

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Recommended by 3 specialists
15 years of experience

Dr Vinay Sehgal is a Consultant Gastroenterologist and Interventional Endoscopist at University College London Hospital. Dr Sehgal completed his specialist training in Gastroenterology in the prestigious North East London rotation, during which time he completed his PhD at University College London where he developed a novel tumour model of oesophageal cancer used in crucial mechanistic, imaging and pre-clinical studies. Dr Sehgal has been awarded numerous awards for his cutting edge and landmark research in this field.

Dr Sehgal has a specialist interest in the early detection and treatment of gastro-oesophageal reflux disease (GORD). Dr Sehgal offers a wide range of minimally invasive endoscopic treatments for GORD including the STRETTA procedure. Dr Sehgal is also only one of two specialists in the UK who offer endoscopic hiatus hernia repair using the trans-oral incisionless fundoplication (TIF) procedure as minimally invasive alterative to surgery with excellent outcomes to date.

Dr Sehgal also has a super-specialist interest in pre-cancerous conditions of the digestive tract including Barrett's Oesophagus and Squamous Cell Carcinoma. Dr Sehgal has helped pioneer and is senior co-author of numerous landmark studies for treatments of early oesophageal cancer including endoscopic mucosal resection (EMR), radiofrequency ablation (RFA).

Dr Sehgal also looks after and treats patients with more advanced oesophageal and gastric cancer in whom he offers laser therapy and stent placement to improve symptoms and quality of life.

He also has a specialist interest in advanced endoscopic therapy for benign disorders of the foregut including achalasia and eosinophilic oesophagitis (EoE).

In addition to his super-specialist and world-leading expertise in foregut diseases, Dr Sehgal also performs colonoscopy during which he commonly removes pre-cancerous polyps and helps diagnose and treat inflammatory conditions of the bowel.

Dr Sehgal's full set of expertise is summarised below:

Areas of specialist expertise:

· Heartburn and acid reflux:

Causes, consequences and treatments (such as lifestyle changes, proton pump inhibitors, and hiatus hernia- directed therapies).

Endoscopic diagnosis including BRAVO capsule insertion and endoscopic therapies for reflux including STRETTA.

· Barrett’s Oesophagus endoscopic therapy:

Endoscopic removal (EMR) and ablation (RFA, APC, Cryotherapy) for early neoplasia and cancer which would otherwise require major surgery.

· Major Upper Gastrointestinal Motility Disorders

Investigation and endoscopic treatment of major motility disorders such as achalasia and OGJ-outflow obstruction with treatments such as botox or dilatation.

· Eosinophilic oesophagitis

Endoscopic diagnosis including long-term dietary, medical and endoscopic therapies for this important condition.

· Oesophago-gastric cancer:

Endoscopic therapy including stenting, laser and cryotherapy.

· Colonoscopy

Endoscopic treatment of pre-malignant colorectal lesions

Diagnosis of chronic lower gastrointestinal inflammatory disorders including

Crohn’s disease and Ulcerative Colitis.

Endoscopic treatment of colonic strictures that may otherwise require surgery.

· Trans-nasal endoscopy

Transnasal endoscopy and minimally invasive imaging and monitoring in the upper GI tract.

· Small intestinal bacterial overgrowth

Investigation and novel lifestyle modifications in combination with medical therapies.

· Functional gastrointestinal disorders

Irritable bowel syndrome, cyclical vomiting syndrome, disorders of the gut-brain axis.

Research, publications and awards

Dr Sehgal recently led a team that introduced a non-invasive oesophageal tissue sampling device which was used to monitor patients with pre-malignant conditions of the oesophagus instead of endoscopy which was otherwise postponed due the COVID-19 pandemic. UCLH was the first centre in the world to adopt this technology with other centres following its lead and ultimately helping to improve the care we offer to such patients.

Dr Sehgal has a keen interest in endoscopy training and is a member of faculty at the British Society of Gastroenterology and Endoscopy Training Committee for The Royal College of Physicians. He is also actively involved in numerous live endoscopy and hands-training courses at UCLH.

Dr Sehgal has a keen interest in research and supervises a research team who collect important information into endoscopic techniques and procedures he carries out to ultimately improve and streamline the care that we give to our patients. His research is focused on existing and novel endoscopic imaging technologies to help detect and treatment early cancer of the gastrointestinal tract including the use of artificial intelligence. His other interests include the development of minimally invasive endoscopic techniques to treat early cancers of the upper gastrointestinal tract for which he is actively involved in several national and international clinical studies in this field.

He is regularly invited to present at international meetings and has published numerous original manuscripts and reviews in this field.

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General Surgery
Offers video consultation
Recommended by 1 specialist
31 years of experience
Colorectal Surgery

Mr Christopher Chan is a Consultant General and Colorectal Surgeon based at Barts NHS Trust. He sees patients privately at The Lister Hospital and The Harley Street Clinic, where he is also the lead colorectal surgeon for The Endometriosis Centre.

Mr Chan graduated from Guy’s and St Thomas’ Medical School in 1991 and then undertook surgical training in Cambridge and London, He was awarded an MRC Clinical Fellowship for work on pelvic floor dysfunction, which culminatd in a PhD. He continued with further sub-specialist colorectal training fellowships, which took place in Sydney, Paris and St Mark’s Hospital in Harrow. 

He has wide experience in elective and emergency surgery and expertise in open, laparoscopic and robotic techniques, specifically with complex colorectal diseases. These include Colorectal Cancer, Crohn’s Disease, Ulcerative Colitis, Enterocutaneous Fistula, Intestinal Failure, Complex Anal Fistula, Anorectal and Pelvic Floor Problems, such as incontinence, evacuatory difficulty and constipation, and pelvic floor reconstruction. 

His research interests include investigating new techniques for treating faecal incontinence and pelvic floor dysfunction, ultra-low sphincter preserving resections and inflammatory bowel disease. In addition to his clinical work, Mr Chan is active in teaching and lecturing at all levels, including MBBS, MRCA and Intercollegiate FRCS examinations. He also speaks at national and international conferences.

Diseases, Medical Tests and Treatments

  • Colorectal Surgery 
  • Laparoscopic Surgery
  • Colonoscopy
  • Gastroscopy
  • Bowel Cancer
  • Ulcerative Colitis
  • Irritable Bowel Disease
  • Pelvic Floor Problems
  • Crohn's Disease 
  • Anal Fistula

It is important that HCA is transparent about our relationship with those doctors who provide us with clinical guidance on delivering the best possible care to patients and operating our hospitals safely and efficiently. We set out here some of the ways in which we work together and the amount we pay this doctor for such services.

Read more
General Surgery
Recommended by 1 specialist
29 years of experience
Colorectal Surgery, Upper GI (Gastrointestinal) Surgery

Mr Daren Francis is a leading Consultant Surgeon specialising in laparoscopic, colorectal, and general surgery. He currently holds an NHS position at the Royal Free London Foundation Trust where he is the Lead for Emergency Surgical Services and Colorectal Cancer Services. Additionally, he practices privately with HCA Healthcare at The Harley Street Clinic and The Wellington Hospital. The talented surgeon offers robotic surgery treatments for rectal cancer and prolapse, along with minimally invasive laparoscopic procedures. In 2013, Mr Francis was named in the Tatler Doctors Guide as one of the top 250 doctors in the UK.

After completing his Medical Degree and specialist training he was appointed Consultant in 2005. He is heavily involved in medical education, lecturing at all levels and has had numerous publications throughout his career. He has also been a guest speaker at international level conferences and offers educational seminars for other healthcare professionals. In addition, Mr Francis is the surgical advisor to the BAFTA-winning BBC soap 'Holby City', along with other independent productions. 

It is important that HCA is transparent about our relationship with those doctors who provide us with clinical guidance on delivering the best possible care to patients and operating our hospitals safely and efficiently. We set out here some of the ways in which we work together and the amount we pay this doctor for such services.

Read more
General Surgery
Offers video consultation
Recommended by 3 specialists
23 years of experience
Colorectal Surgery, Laparoscopic (Key-Hole) Surgery, Upper GI (Gastrointestinal) Surgery

Mr Pasha Nisar FRCS, is a Consultant Colorectal and Laparoscopic (keyhole) surgeon at Ashford & St Peter’s NHS Trust appointed in 2011. He is lead for colorectal cancer and inflammatory bowel disease surgery at the Trust. He performed the first single incision ‘scarless’ operation for cancer and the first artificial sphincter implant at the Trust. He established the department's research programme with Royal Holloway, University of London and supervises PhD studies on genetic biomarkers for colon cancer. He is co-ordinating development of robotic surgery and is clinical lead for endoscopy at Princess Margaret Hospital.

Mr Nisar grew up in Sunningdale and attended King’s College School, Wimbledon. He read medicine at Trinity College, Cambridge University and Addenbrooke’s. He was awarded a doctorate from The University of Nottingham for his thesis at the Academic Surgical Unit. Specialist surgical training was completed in the London Deanery including St George’s, Frimley Park, Royal Surrey Hospitals. Mr Nisar spent one year at the Cleveland Clinic USA, a world renowned centre of excellence, at the Department of Digestive Disease training under Professor Vic Fazio. Mr Nisar is a high volume surgeon with expertise in all aspects of colorectal disease, hernia repair and endoscopy. His focus is on achieving the best clinical outcomes and excellent results for patients. He is an international conference speaker with over 50 articles and book chapters published. Mr Nisar was voted Global Health and Pharma Colorectal Surgeon of the Year 2019. 

Expert areas: 

Groin and abdominal hernia surgery, laparoscopic and mesh free repair 

Advanced colonoscopy, EMR polypectomy, endoscopy, bowel cancer screening, screening for colitis

Keyhole surgery for bowel cancer and diverticular disease

Surgery for stage IV endometriosis

Laparoscopic rectopexy for prolapse

Sacral neuromodulation for faecal incontinence

Surgery for Crohn’s and colitis including ileo-anal pouch

Treatment for haemorrhoids, anal pain, fistula and fissures

Rafaelo, HALO surgery for piles and botox injections for pain


Diseases, Medical Tests and Treatments

  • Abdominal reconstruction  
  • Abdominoperineal Resection  
  • Abscess Drainage  
  • Anal Fissure Surgery  
  • Anterior Resection of Rectum  
  • Appendicectomy  
  • Bowel Diversion Surgery  
  • Bowel Surgery (Colectomy)  
  • Colonoscopy  
  • Colorectal Cancer Surgery  
  • Endoscopic Polypectomy  
  • Endoscopy  
  • Epigastric Hernia Repair  
  • Femoral Hernia Repair  
  • Gastroscopy  
  • Haemorrhoid Artery Ligation (HALO)  
  • Haemorrhoid Banding  
  • Haemorrhoidectomy  
  • Hernia Repair (Keyhole)  
  • Ileoanal Pouch Formation  
  • Ileostomy and Colostomy Formation  
  • Incisional Hernia Repair  
  • Inguinal Hernia Repair  
  • Laparoscopy  
  • Laying Open of Fistula  
  • Left Hemicolectomy  
  • Lipoma Removal  
  • Open Hernia Repair  
  • Parastomal Hernia Repair  
  • Pilonidal Sinus Surgery  
  • Rectal Prolpse Repair  
  • Removal Of Rectum And Colon (Proctocolectomy)  
  • Right Hemicolectomy  
  • Sacral Neuromodulation  
  • Skin Lesion Removal  
  • Stoma Revision  
  • Subtotal Colectomy  
  • Surgery for Crohn's and Colitis  
  • Surgery for Diverticular Disease  
  • Umbilical Hernia Repair 
  • Abdominal Pain
  • Anal Cancer
  • Anal Fissure
  • Anal Fistula
  • Anal Pain
  • Appendicitis
  • Bowel Cancer
  • Bowel Cancer Screening
  • Bowel Obstruction
  • Chronic Diarrhoea
  • Colitis (Ulcerative Colitis)
  • Colon Cancer
  • Colonoscopy
  • Colorectal Disease
  • Complex Abdominal Hernia
  • Crohn’s Disease
  • Diverticular Disease
  • Diverticulitis
  • Epigastric hernia
  • Faecal Incontinence
  • Femoral Hernia
  • Haemorrhoids
  • Incisional Hernia
  • Inflammatory Bowel Disease
  • Inguinal Hernia
  • Irritable Bowel Syndrome
  • Laparoscopic (keyhole) Surgery
  • Lumps and Bumps
  • Perianal Abscess
  • Pilonidal Sinus
  • Rectal Bleeding
  • Rectal Cancer
  • Rectal Prolapse
  • Skin Lesions
  • Stomas
  • Umbilical Hernia

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35 years of experience
Inflammatory Bowel Diseases (IBD) such as ulcerative Colitis or Crohn's Disease, Pancreaticobiliary Medicine (Bile Ducts & Pancreas), Hepatology + 2more

Dr Ray Shidrawi is a Consultant Gastroenterologist with many over three decades of experience in the treatment and management of G.I conditions, including inflammatory bowel diseases, coeliac disease and food intolerances. He is also well versed in techniques such as upper GI endoscopy, endoscopic ultrasound, percutaneous endoscopic gastronomy intersection, and endoscopic retrograde cholangiopancreatography. He sees private patients at The Wellington Hospital.

Dr. Shidrawi earned his primary medical qualification at the University of London in 1987, after which he completed his basic and specialist training, and joined the specialist register in 1998. He has since practiced at Homerton University Hospital, where he undertakes many endoscopic treatments for bariatric surgical complications in addition to non-invasive procedures to manage obesity. Dr. Shidrawi has also established a Ketogenic Enteral Nutrition diet in the UK with help from his prior colleagues at La Sapienza University, Rome.

Dr. Shidrawi is also an active member of the scientific research community, authoring many peer-reviewed publications regarding nutrition, coeliac disease, and endoscopy in renowned clinical journals.

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General Surgery
Recommended by 1 specialist
39 years of experience
Colorectal Surgery

Professor Sina Dorudi is a Professor of Surgical Oncology previously appointed as a consultant colorectal surgeon to St Bartholomew's and The Royal London Hospital in 1996 where he was Professor of Surgical Oncology and Lead Colorectal Cancer Surgeon before leaving in 2010. He is currently Medical Director at The Princess Grace Hospital where he has continued his busy practice as a colorectal surgeon.

Professor Dorudi qualified in London in 1983, training extensively in general and colorectal surgery in Kent, London and Oxford. He continued to complete a senior speciality fellowship in colorectal surgery in Sydney, developing his skills in pelvic and rectal cancer surgery and undertook a period of research at the CRUK Colorectal Cancer Unit at St Mark's Hospital, London and was awarded his PhD in 1994. 

Professor Dorudi's research focuses on improving the prognostic stratification of colorectal cancer patients following surgery and the immunology of differing colorectal cancer phenotypes. He is a well-established postgraduate trainer in pelvic surgery and is jointly responsible for delineating the new undergraduate surgical curriculum for 2008.

Diseases, Medical Tests and Treatments

  • All aspects of colorectal surgery (open and laparoscopic)
  • Laparoscopic procedures ('keyhole surgery')
  • General surgery (particularly abdominal wall and groin hernia)
  • Gastroscopy OGD
  • Colonoscopy
  • Flexible sigmoidoscopy
  • Fistulas/pilonidal sinus (including laser treatment)
  • Haemorrhoids ('piles')
  • Fistulas/pilonidal sinus (including laser treatment)
  • Bowel cancer
  • Rectal bleeding
  • Colorectal disease
  • Crohns
  • Ulcerative colitis
  • Colon cancer
  • Anal fistula
  • Rectal cancer
  • Hernias
  • Inguinal hernia
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