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22

of the UK's eminent
Gastroenterologists

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100%

of our doctors exceed
national endoscopy targets

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200+

years of combined
experience

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250k+

endoscopies
performed

Our Specialists

Meet our team of partner doctors. Individually, they’re technically-skilled, highly-rated leading specialists within Gastroenterology.

Professor Julian Teare

Consultant Gastroenterologist, Medical Director, Founding Board Member and Partner

Matthew Banks

Dr Matthew Banks

Consultant Gastroenterologist, Founding Board Member and Partner

Dr Devinder Bansi

Consultant Gastroenterologist, Founding Board Member and Partner

Professor Brian Saunders

Consultant Gastroenterologist, Specialist Endoscopist, and Partner

Lisa Das

Dr Lisa Das

Consultant Gastroenterologist, Endoscopist and Partner

Aymer Postgate

Dr Aymer Postgate

Consultant Gastroenterologist and Partner

Gavin Johnson

Dr Gavin Johnson

Consultant Gastroenterologist and Partner

John Martin

Dr John Martin

Consultant Gastroenterologist and Partner

Ana Wilson

Dr Ana Wilson

Consultant Gastroenterologist and Partner

Panagiotis Vlavianos

Dr Panagiotis Vlavianos

Consultant Gastroenterologist, Consultant Physician and Partner

Simon Anderson

Dr Simon Anderson

Consultant Gastroenterologist and Partner

Adam Haycock

Dr Adam Haycock

Consultant Gastroenterologist and Partner

Deepak Suri

Dr Deepak Suri

Consultant Gastroenterologist, Hepatologist, and Partner

George Webster

Dr George Webster

Consultant Gastroenterologist, Hepatologist and Partner

Christopher Wadsworth

Dr Christopher Wadsworth

Consultant Gastroenterologist and Partner

Dr Joel Mawdsley

Dr Joel Mawdsley

Consultant Gastroenterologist and Partner

simon peake

Dr Simon Peake

Consultant Gastroenterologist and Partner

evangelos russo

Dr Evangelos Russo

Consultant Gastroenterologist and Partner

Natalie Direkze

Dr Natalie Direkze

Consultant Gastroenterologist and Partner

Jonathan Hoare

Dr Jonathan Hoare

Consultant Gastroenterologist and Partner

Dr Terry Wong

Consultant Gastroenterologist and Hepatologist and Partner

farooq rahma

Dr Farooq Rahman

Consultant Gastroenterologist

dr david graham

Dr David Graham

Consultant Gastroenterologist

Dr Jason Dunn

Consultant Gastroenterologist and Partner



Professor Julian Teare

Consultant Gastroenterologist, Medical Director, Founding Board Member and Partner

  • Specialist expertise: colonoscopy, colon cancer screening, abdominal pain, and inflammatory bowel disease.
  • Professor Teare is an expert endoscopist and performs over 1000 procedures each year. A significant proportion of his patients have the procedure without sedation as it can be pain free.
  • He is at the forefront of endoscopic research and his advice is frequently sought by prestigious bodies, including NICE and the Royal College of Physicians.

“As Medical Director, I have been part of an inclusive design process throughout the development of OneWelbeck. At every stage, we’ve listened to patient feedback– including taking criticisms of other endoscopy services to optimise our own patient experience.”

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Matthew Banks

Dr Matthew Banks

Consultant Gastroenterologist, Founding Board Member and Partner

  • Specialist expertise: acid reflux, Barret’s oesophagus, colonoscopy, early cancer detection, and endoscopic ultrasound
  • Dr Banks was twice appointed as Director of Endoscopy at two major London teaching hospitals and led a world-renowned unit & the largest Barrett’s oesophagus centre in the UK.
  • He performs over 700 endoscopic procedures each year, is just one of few national endoscopy trainers with exemplary performance standards, particularly in colonoscopy.

“OneWelbeck is all about our patients. It will be the future of patient-centred healthcare, with seamless patient and referrer access, the safest and highest quality care, an exceptional experience and easy access to health information.”

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Dr Devinder Bansi

Consultant Gastroenterologist, Founding Board Member and Partner

  • Specialist expertise: diagnostic & therapeutic endoscopy; bowel cancer screening, investigation and management of reflux, abdominal pain, and diarrhoea
  • Dr Bansi is a leading expert in bariatric endoscopy, with a focus in the management of complications after bariatric surgery as well as the use of endoscopic methods to achieve weight loss.
  • He is an honorary senior lecturer at Imperial College London and an expert endoscopist, performing over 600 gastroscopies, 600 colonoscopies and 150 ERCPs each year.

“I have immense pride and a great deal of passion and enthusiasm in my role in creating this project as a founder member…We really can change the way gastroenterology services are delivered in the UK; the sky really is the limit in terms of what we can achieve.”

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Professor Brian Saunders

Consultant Gastroenterologist, Specialist Endoscopist, and Partner

  • Specialist expertise: diagnostic and screening colonoscopy, and advanced polypectomy
  • Professor Saunders is the Director of Bowel Cancer Screening for North West London, and has pioneered many major developments in colonoscopy in the last 20 years.
  • He is also Director of the Kennedy-Leigh Academic Endoscopy Unit, supervising a team to improve the management of gastrointestinal diseases through the use of flexible endoscopes – pioneering procedures which can significantly improve cancer prevention and patient safety.

“OneWelbeck represents a unique opportunity to shape the future of endoscopy practice in the private sector; modern, high tech. and completely patient-centred. Each procedure will be tailored to the individual patient in terms of preparation, sedation and equipment needs.”

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Lisa Das

Dr Lisa Das

Consultant Gastroenterologist, Endoscopist and Partner

  • Specialist expertise: Endoscopy, colorectal cancer screening, colonoscopy, Gastroenterology, including Irritable bowel syndrome. Special emphasis on Womens health care.
  • Dr Das has been involved in improving service provision and access in the NHS, as well as developing straight to test pathways to reduce the time from referral to treatment.
  • She welcomes enquiries from clients specifically seeking a female gastroenterologist, allowing for a focused emphasis on women’s health.

“Traditionally, in the UK, endoscopy is performed in hospital, where there are disparate locations for clinics, blood tests, imaging and endoscopy; resulting in a time consuming and frustrating patient journey. Our purpose is to provide seamless, specialist care that emphasises health, prevention and wellbeing.”

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Aymer Postgate

Dr Aymer Postgate

Consultant Gastroenterologist and Partner

  • Specialist expertise: therapeutic endoscopy and ERCP
  • Dr Postgate is endoscopy unit lead for Hillingdon Hospitals NHS Foundation Trust in London; performing over 7000 colonoscopies with excellent safety, comfort and polyp detection statistics.
  • He has received multiple awards and recognitions throughout his career, including the Baldwin Prize for Clinical Medicine, the Bristowe Medal and Beaney Prize for Pathology.

“I am very excited to be part of the Digestive Health Centre at OneWelbeck. This truly is a world class facility which has been designed with the patient experience at its heart. Attention to detail and clinical engagement at all stages of the process from some of the country’s leading clinicians and endoscopists.”

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Gavin Johnson

Dr Gavin Johnson

Consultant Gastroenterologist and Partner

  • Specialist expertise: advanced therapeutic endoscopy, including ERCP and EUS
  • Dr Johnson is a senior lecturer and the lead for Gastroenterology at University College London Medical School.
  • He is currently leading a Europe-wide group for the European Society of Gastrointestinal Endoscopy to develop training standards in EUS and ERCP.

“I joined OneWelbeck to deliver exemplary endoscopy in the best private endoscopy facility available in the UK.”

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John Martin

Dr John Martin

Consultant Gastroenterologist and Partner

  • Specialist expertise: colorectal cancer screening, colonoscopy, luminal gastroenterology, inflammatory bowel disease and irritable bowel syndrome
  • Dr Martin is the Director of the West London Bowel Cancer Screening centre and is an advisor to Public Health England on maintaining quality within the National Bowel Cancer Screening Programme.
  • He is an expert in colorectal cancer screening, therapeutic and diagnostic colonoscopy with over 25 years experience of managing all aspects of digestive health.

“The entire OneWelbeck team, including the clinical staff, management and administrative staff are dedicated to delivering high quality healthcare to patients, with a strong emphasis on patient experience. There is a strong team ethic, with everyone working together to achieve this aim.”

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Ana Wilson

Dr Ana Wilson

Consultant Gastroenterologist and Partner

  • Specialist expertise: luminal gastroenterology, inflammatory bowel disease and irritable bowel syndrome
  • Dr Wilson is clinical lead for Gastrointestinal Consequences of Cancer Treatment at St Mark’s Hospital and the Royal Marsden Hospital and Honorary Senior Clinical lecturer at Imperial College London.
  • She is a nationally accredited bowel cancer screening colonoscopist, regularly performing bowel cancer screening through colonoscopy within the national Bowel Cancer Screening Programme.

“It is very important to me that patients not only have the best endoscopists performing the procedure but have their procedure performed in a unit that will cater for their comfort and where safety is paramount.”

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Panagiotis Vlavianos

Dr Panagiotis Vlavianos

Consultant Gastroenterologist, Consultant Physician and Partner

  • Specialist expertise: endoscopy and hepatobiliary medicine
  • Dr Vlavianos has been focused on the study of liver, biliary and pancreatic diseases, as well as in gastrointestinal haemorrhage and pelvic radiotherapy induced gastrointestinal symptoms.

“At OneWelbeck, by far the first consideration is the patient, not only providing them with expert medical care but making what can be a stressful journey as comfortable and relaxed as possible.”

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Simon Anderson

Dr Simon Anderson

Consultant Gastroenterologist and Partner

  • Specialist expertise: endoscopy and inflammatory bowel disease
  • Dr Anderson founded, and now leads, the video capsule endoscopy and balloon enteroscopy service at Guy’s and St Thomas Hospital.
  • He is one of the foremost practitioners in the field, with dual accreditation in gastroenterology and general medicine.

“The consultant group that I am proud to be part of, are all at the top of their field and most importantly have a clear understanding that nothing but the best for patients will suffice.”

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Adam Haycock

Dr Adam Haycock

Consultant Gastroenterologist and Partner

  • Specialist expertise: in colonoscopy, bowel cancer screening and therapeutic endoscopy
  • Dr Haycock is an honorary senior lecturer at Imperial College London, and Endoscopy training lead for London North West University Healthcare NHS Trust.
  • His research interests in cutting-edge technology and enhanced safety measures has enabled new developments, such as use of virtual reality simulation in colonoscopy and endoscopy-specific safety checklists.

“I am hugely excited to have been given the chance to develop OneWelbeck as the only state-of-the-art facility specifically designed by expert endoscopists, to produce an outstanding patient experience and the best clinical outcomes.”

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Deepak Suri

Dr Deepak Suri

Consultant Gastroenterologist, Hepatologist, and Partner

  • Specialist expertise: endoscopy and liver disease
  • Dr Suri is an honorary senior lecturer at University College London, clinical lead for endoscopy at the Whittington Health NHS Trust and a JAG assessor for endoscopy units.
  • His personal endoscopy completion rates, comfort sedation scores and polyp detection rates are excellent compared to peers and national benchmarks.

“By collecting a group of leading gastroenterologists together is a great opportunity for patients to see the right expert, at the right time.”

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George Webster

Dr George Webster

Consultant Gastroenterologist, Hepatologist and Partner

  • Specialist expertise: diagnostic and therapeutic endoscopy
  • Dr Webster is the clinical lead for hepatopancreaticobiliary (HPB) medicine at University College London Hospital.
  • He is Vice President of Endoscopy at the British Society of Gastroenterology, on the Council of the European Society of Gastrointestinal Endoscopy and is Director of the annual London Live Endoscopy course.

“I am confident that with an outstanding consultant and endoscopy nursing team, working in a superb new environment, that patients will find the calm, reassuring and expert environment second to none.”

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Christopher Wadsworth

Dr Christopher Wadsworth

Consultant Gastroenterologist and Partner

  • Specialist expertise: endoscopy and hepatobiliary medicine
  • Dr Wadsworth is the Clinical Director of Specialist Medicine at Hammersmith Hospital, and honorary senior lecturer at Imperial College London.
  • His current research activity includes developing new endoscopic techniques to ablate tumours of the bile duct and pancreas, and new technologies to improve the endoscopic imaging of GI disease.

“My ambition is that OneWelbeck becomes the first choice for informed patients undergoing endoscopy. We’ll achieve this through a combination of our first-class clinical team, an exceptional, premium patient experience and the best clinical outcomes in the sector.”

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Dr Joel Mawdsley

Dr Joel Mawdsley

Consultant Gastroenterologist and Partner

  • Specialist expertise: luminal gastroenterology, endoscopy, and inflammatory bowel disease
  • Dr Mawdsley is currently president elect of the Gastroenterology Section of the Royal Society of Medicine and a member of the organising committee of the London IBD forum.
  • His NHS practice is based in the internationally respected Inflammatory Bowel Disease Unit at Guys and St Thomas’ NHS trust, where he is joint clinical lead.

“Being part of OneWelbeck will provide the unique opportunity to provide a truly specialist-led, first-class experience for our patients which is always the focus of my clinical care.”

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simon peake

Dr Simon Peake

Consultant Gastroenterologist and Partner

  • Specialist expertise: endoscopy, management of acid-related disorders, reflux, abdominal pain, changes in bowel habit, and inflammatory bowel disease
  • Dr Peake leads the Inflammatory Bowel Disease service for the Imperial College Healthcare NHS Trust, and is also an Honorary Senior Clinical Lecturer and clinical examiner.
  • He has been published extensively in the fields of inflammatory bowel disease and endoscopy, as well as writing several book chapters and peer-reviewing articles for gastroenterology journals.

“I joined OneWelbeck because I share the principles that are embedded in the culture here– to strive for excellence; to go the extra mile. Lots of places provide good care but OneWelbeck is about taking that extra step and providing excellence for our patients.”

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evangelos russo

Dr Evangelos Russo

Consultant Gastroenterologist and Partner

  • Specialist expertise: therapeutic colonoscopy and inflammatory bowel disease
  • Dr Russo performs a wide portfolio of endoscopic procedures, including diagnostic and therapeutic gastroscopy and colonoscopy, BRAVO pH monitoring, polypectomy, and endoscopic full-thickness resection.
  • His clinical research is focused on inflammatory bowel disease and microscopic colitis, a common but often underdiagnosed cause of chronic diarrhoea.

“I am very excited to be part of OneWelbeck – a brand new centre where cutting-edge endoscopy is carried out by leaders in the field.”

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Natalie Direkze

Dr Natalie Direkze

Consultant Gastroenterologist and Partner

  • Specialist expertise: inflammatory bowel disease and upper gastrointestinal disorders
  • Dr Direkze is the Head of Specialty for Endoscopy at Imperial College Hospitals and a Bowel Cancer Screening accredited colonoscopist.
  • She has been more involved in several clinical projects including validating a food-related quality of life questionnaire in inflammatory bowel disease and more recently an evaluation of local dietetic services at Imperial for IBD patients.

“I see OneWelbeck as setting the bar for patients arriving for an endoscopic procedure or investigation of gastroenterological symptoms – a place for patients to know they are getting great care and a standard for other units to aspire to reach.”

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Jonathan Hoare

Dr Jonathan Hoare

Consultant Gastroenterologist and Partner

  • Specialist expertise: endoscopy and colonoscopy
  • Dr Hoare is an honorary senior lecturer at the Imperial College School of Medicine and previously Head of Endoscopy for the Imperial College hospitals.
  • He is a nationally accredited colonoscopist on the National Bowel Cancer Screening programme and a medical adviser to the Barrett’s Oesophagus Campaign.

“OneWelbeck will allow me to offer my patients guaranteed quality and governance, in all aspects of their patient journey, from booking and nursing to the procedure itself and follow up, in a uniquely bespoke and safe environment.”

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Dr Terry Wong

Consultant Gastroenterologist and Hepatologist and Partner

  • Specialist expertise: gastro-oesophageal reflux disease, pancreaticobiliary endoscopy and hepatology
  • Dr Wong has numerous papers, reviews, and letters  in prestigious journals including the New England Journal of Medicine, Clinical Gastroenterology and Hepatology, Gastrointestinal Endoscopy and Endoscopy.
  • He is currently the clinical lead in hepatopancreatobiliary endoscopy, clinical lead of the oesophageal laboratory, and clinical lead in hepatology at Guys and St. Thomas’ Hospital
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farooq rahma

Dr Farooq Rahman

Consultant Gastroenterologist

  • Specialist expertise: Gastroenterology and hepatology
  • Dr Rahman is also Honorary Associate Professor at University College London
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dr david graham

Dr David Graham

Consultant Gastroenterologist

  • Specialist expertise: Gastroenterology, Gastro-oesophageal Reflux Disease (GORD) or Reflux
  • Dr Graham is passionate about his research focussing on providing high-quality diagnostic and therapeutic endoscopy, the early diagnosis of cancer and the long-term management of patients with pre-malignant conditions of their stomach or oesophagus.
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Dr Jason Dunn

Consultant Gastroenterologist and Partner

  • Specialist expertise: Early diagnosis of cancer, specialist endoscopic techniques to assess Barrett’s oesophagus with dysplasia, early oesophagus and stomach cancer.
  • He is proficient in Endoscopic Therapy including Endoscopic Mucosal Resection (EMR), and Radiofrequency Ablation (RFA) techniques.
  • Dr Dunn is the Research lead for the Oesophageal section of the British Society of Gastroenterology and an advisor to NICE on eosinophilic oesophagitis and Barrett’s oesophagus.