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Gastroenterology
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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Gastroenterology
Offers video consultation
Recommended by 6 specialists
24 years of experience
Hepatology

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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Gastroenterology
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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Gastroenterology
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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Gastroenterology
32 years of experience
Inflammatory Bowel Diseases (IBD) such as ulcerative Colitis or Crohn's Disease

Dr Lisa Das is a Consultant Gastroenterologist since 1997. Formerly she enjoyed the privilege of being the UK’s first Community Gastroenterology Consultant at the Royal London Hospital Barts Health NHS Trust with an interest in improving service delivery. She trained at Guy’s Hospital Medical School, London before completing her medical residency in Boston, USA. Subsequently Dr Das completed her subspecialist training in Gastroenterology at Columbia University, New York and holds both Board Certification in Gastroenterology (USA) and full accreditation in the UK General Medical Council's Specialist Register in Gastroenterology. 

Dr Das has extensive expertise in both diagnostic and therapeutic endoscopy (gastroscopy and colonoscopy) and general gastroenterology. She has a special interest in Irritable bowel syndrome, abdominal pain/dyspepsia, gastrointestinal cancer screening, obesity, inflammatory bowel disease, gastro-oesophageal reflux, gastrointestinal bleeding, and abnormal liver function. Dr Das now focuses on private practice, providing clinically excellent care with a kind, friendly approach and allowing for a specific emphasis on women’s gastroenterology. 


Diseases, Medical Tests and Treatments

Bowel cancer screening 

Colonoscopy (Diagnostic and Therapeutic) 

Capsule endoscopy 

Percutaneous

endoscopic gastrostomy (PEG) 

Upper GI endoscopy (gastroscopy) 

Upper GI endoscopy and dilatation 

Upper GI endoscopy with BRAVO  

  • Diagnostic and therapeutic endoscopy (gastroscopy and colonoscopy)
  • Functional GIT disorders, IBS
  • Constipation, diarrhoea
  • Abdominal pain, dyspepsia
  • Gastro-oesophageal reflux disease
  • Bowel Cancer Screening
  • Coeliac Disease
  • Helicobacter Pylori Infection


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

Dr Chatu is a clinician with extensive experience in every aspect of gastroenterology, hepatology and general medicine. He is not only a clinician but also an academic. As an academic, he is an Honorary Senior Clinical Lecturer with King’s College London. As a clinician, he is a Consultant Gastroenterologist at King’s College Hospital. 

He was trained at the distinguished St Bartholomews and Royal London Medical School in London and completed his training in 2000. He received a variety of distinctions and prizes while he was on training due to his academic achievements. He completed a five-year specialist training programme in Gastroenterology & General Medicine at London Deanery, and obtained experience at various London Hospitals. Dr Chatu worked in Brisbane, Australia for one year to have additional clinical experience. He moved forward to complete a 3-year full-time higher research degree and earned M.D. Research at the University of London. His publications are in a number of high quality peer-reviewed international journals. He received a Medical Research Council grant and authored a successful textbook called ‘Hands-on Guide to Clinical Pharmacology’. It was a moment of honour when Dr Chatu presented his work on how to manage gastrointestinal cancer at The Houses of Parliament. 

Current memberships include the British Society of Gastroenterology, American Gastroenterological Association, British Medical Association and The Royal College of Physicians.

Dr Chatu is a down-to-earth and friendly professional who will listen to you and expertly guide you through your diagnostic and treatment options to determine a bespoke plan tailored to your individual needs. Furthermore, Dr Chatu has dual accreditation in general medicine and is an advanced life support instructor and always has a holistic approach.


Diseases, Medical Tests and Treatments

  • Diagnostic and therapeutic Gastroscopy
  • Diagnostic and therapeutic Colonoscopy
  • Oesophageal physiology tests (High Resolution Manometry, PH & Impedance, BRAVO)
  • Small bowel & colon video capsule endoscopy (to examine the small bowel & large bowel)
  • Insertion of feeding tubes: Percutaneous endoscopic gastrostomy (PEG)
  • Flexible sigmoidoscopy
  • Oesophageal stenting
  • Endoscopic mucosal resection of polyps 

Advanced Endoscopy: Diagnostic and therapeutic Gastroscopy and Colonoscopy;

Oesophageal Manometry, PH and Impedance testing 

Complex and simple gastroesophageal reflux disease; Swallowing problems; Achalasia, Barrett’s oesophagus; Nausea; Vomiting, Dyspepsia; Indigestion, Small intestinal bacterial overgrowth.

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Gastroenterology
26 years of experience
General (Internal) Medicine

Dr Clive Onnie is a Consultant Gastroenterologist at the Whittington Hospital NHS Trust since 1997. He qualified from The London Hospital Medical School with distinction and continued his postgraduate training at St Mark's Hospital and Guys and St Thomas Hospital. He undertook a Masters in Medical Science at the Hammersmith hospital and obtained his PhD from Kings College, London, studying the genetics of inflammatory bowel disease. He was awarded a Digestive Diseases Foundation Research Fellowship. Dr Onnie is also Honorary Senior Lecturer at the University College London Medical School and the medical adviser to the North London Chapter of the Crohn's and Colitis UK Organisation.

Dr Onnie sees patients with all aspects of general gastroenterology conditions. He is an expert in the management of inflammatory bowel disease, irritable bowel syndrome, dyspepsia and reflux. He applies a holistic approach to the treatment of bowel problems, combining conventional and alternative medicine with particular emphasis on the importance of diet. 

Dr Onnie is actively involved in research and is particularly focused on the genetics of inflammatory bowel disease and colorectal cancer. He has published extensively in some of the most renowned medical journals and has also co-authored several book chapters. 

 

 

 

 

 

 

 


Diseases, Medical Tests and Treatments
  • Gastroscopy OGD
  • Colonoscopy
  • Flexible sigmoidoscopy
  • ERCP
  • Video capsule endoscopy
  • Irritable Bowel Syndrome (IBS)
  • Inflammatory Bowel Disease (IBD)
  • Reflux
  • Dyspepsia
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Gastroenterology
Offers video consultation
Recommended by 1 specialist
21 years of experience
Irritable Bowel Syndrome (IBS), Neuro-Gastroenterology

*Dr Zeki offers consultations via Skype and telephone at convenient times. Please send a message to arrange*

Dr. Sebastian Zeki is a gastroenterologist at St Thomas' Hospital in London one of the country's leading tertiary referral centres. He is also a senior clinical lecturer at Kings College University and Barts cancer institute.

He prioritises making the patient experience of gastroenterology as comfortable as possible whilst resolving symptoms and illnesses as quickly. He sees patients with a wide range of conditions, making certain that the patient is at ease when explaining their symptoms and is attentive to the wider impact that a patient's illness is having on their life.

Dr. Zeki qualified in medicine from Cambridge University and University College London in 2001. He undertook his postgraduate medical training in London during which time he also completed a PhD on the genomics of oesophageal cancer, under Professor Sir Nicholas Wright and Dr Stuart Macdonald. This was recognised and presented at national and international meetings and recognised with several prizes from British, European and American Gastroenterological Societies. He subsequently completed further clinical training alongside postdoctoral research at Addenbrooke's Hospital and the Medical Research Council Hutchison laboratory, Cambridge and Jikei University Hospital, Tokyo.

Dr Zeki's extensive experience has given him a unique skill set in the detection, accurate diagnosis and therapy of a number of gastroenterological complaints from reflux to performing endoscopic cancer resections.

His main research interests include upper gastrointestinal cancer (stomach and oesophagus) diagnosis and therapy as well as the detection of their precursors. He also has an active clinical and research interest in food allergies and their effect on the gut encompassing conditions such as eosinophilic oesophagitis as well as movement disorders of the oesophagus and acid reflux related conditions.

Special Interests

Heartburn; chest pain; indigestion; bloating; dyspepsia; irritable bowel syndrome; swallowing disorders; hoarse voice; chronic cough and throat clearing; endoscopic cancer diagnosis and resection; Barrett's oesophagus; gastric cancer screening; high quality endoscopy; food allergies; spastic disorders of the gut


Diseases, Medical Tests and Treatments

  • Upper Gastrointestinal Endoscopy
  • Therapeutic Endoscopy
  • Radiofrequency ablation
  • Endoscopic mucosal resection
  • Endoscopic submucosal resection 
  • Stricture dilatation
  • Gatrointestinal Cancers
  • Oesophageal Cancer
  • Barrett’s Oesophagus
  • Eosinophilic Oesophagitis
  • Gastroesophageal Reflux Disease
  • Dysphagia
  • Dysmotility
  • Achalasia
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Gastroenterology
Recommended by 3 specialists
22 years of experience
Inflammatory Bowel Diseases (IBD) such as ulcerative Colitis or Crohn's Disease, Irritable Bowel Syndrome (IBS)

Dr Aathavan Loganayagam trained in medicine at Guy’s, King's and St. Thomas’ medical schools. He then underwent rigorous structured specialty training in gastroenterology and general internal medicine in the well respected South London training programme.
He then spent two years during postgraduate training as a research and endoscopy fellow at Guy’s and St Thomas’ Hospitals, London. His research was in the fields of pharmacogenetics, inflammatory bowel disease and gastrointestinal malignancy. He has received awards and grants for outstanding research work, including the prestigious NHS Innovation London Award.
Dr Loganayagam has numerous publications in peer reviewed journals on all aspects of gastroenterology. He is actively involved in clinical research. He has particular local expertise in the practice of personalised medicine and the utilisation of novel therapeutic agents in the treatment of complex inflammatory bowel disease. He is currently the lead clinician for endoscopy at Queen Elizabeth Hospital, Woolwich.
Diagnostic and advanced therapeutic endoscopy remains a major part of his clinical expertise, including assessment and treatment of inflammatory bowel disease, strictures, polyps and cancers.
Dr Loganayagam is an approachable doctor who takes pride in his communication skills with patients. He is keen to ensure that patients are fully informed and involved in all aspects of their care. 


Diseases, Medical Tests and Treatments

Polypectomy

Endoscopic mucosal resection (EMR)

Breath Testing

Oesophageal manometry

Therapeutic endoscopy

Colonoscopy

Upper GI endoscopy

Diagnostic and therapeutic endoscopy

Diagnosis and screening or surveillance of gastrointestinal cancers

Inflammatory Bowel disease (IBD)

Bowel/colorectal cancer

Pancreatic cancer

Stomach/gastric cancer

Oesophageal cancer

Anaemia

Bacterial overgrowth/Intestinal Dysbiosis

Food tolerances/allergy

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Gastroenterology
21 years of experience
Irritable Bowel Syndrome (IBS), Hepatology, Inflammatory Bowel Diseases (IBD) such as ulcerative Colitis or Crohn's Disease + 2more

Dr Mayur Kumar is a Consultant Gastroenterologist, HPB Physician and Interventional Endoscopist at King's College Hospital NHS Foundation Trust and he also sees patients privately at The HCA at The Shard and the London Bridge Hospital. He specialises in oesophageal, liver, pancreato-biliary diseases, inflammatory bowel disease and advanced endoscopy.

Dr Kumar completed his specialist training in internal medicine and gastroenterology in London and the south east and obtained his Certificate of Completion in 2013. He is a JAG-accredited endoscopist and performs OGD, colonoscopy , Sigmoidoscopy and ERCP. Dr Kumar is also an accredited endoscopist for the National Bowel Screening Programme.

He has worked as a Fellow at University College Hospital London, where he trained in advanced endoscopy and ERCP. Following completion of this, he was appointed as a substantive Consultant for the NHS in 2014. He has also presented several abstracts in both national and international conferences and had numerous papers in peer reviewed journals published. Dr Kumar has ongoing clinical research interests into pancreato-biliary diseases and endoscopy.

He holds memberships of the British Society of Gastroenterology, Royal College of Physicians, London, and the American Society of Gastrointestinal Endoscopy and has represented gastroenterology trainees as a trainee representative on the endoscopy committee for the British Society of Gastroenterology. Further, he is actively involved in training of junior doctors and specialist trainees.


Diseases, Medical Tests and Treatments

  • Pancreaticbiliary Medicine
  • Inflammatory Bowel Diseases
  • Endoscopy
  • ERCP
  • Percutaneous Endoscopic Gastrotomy (PEG)
  • Bowel Cancer Screening

 

·     

  • Inflammatory Bowel Disease (IBD)
  • Liver Diseases
  • GI Cancers
  • Oesophageal Diseases
  • Pancreatobiliary Conditions
  • Pancreatic Cancer
  • Coeliac Disease
  • Irritable Bowel Syndrome( IBS)
  • Bowel Cancer
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