Dr Arun Rajendran

Dr Arun Rajendran is a Consultant Gastroenterologist specialising in the treatment and management of gastroenterological issues such as the following: • inflammatory bowel disease, • reflux, • irritable bowel syndrome He consults privately at the BMI Clementine Churchill Hospital, One Welbeck Digestive health, One Stop Healthcare clinic and London Clinic He has more than ten years' experience, having graduated in 2001 and completed his postgraduate specialist gastroenterology training in North West London. He also spent 3 years in St Marks Hospital undertaking postgraduate research and a teaching fellowship. In 2020, he was awarded a research MD from Kings College London for his work examining the learning curve of colonoscopic polypectomy. His work resulted in peer-reviewed publications as well as the 2016 NIHR CLAHRC support award, the 2016 ASGE Cook Medical Marsha Dreyer Award, and the 2016 BSG best teaching abstract award. He has also presented his work at both national and international conferences. Dr Rajendran completed his PG certificate in Medical Education in 2015, leading to his accreditation to the Higher Education Academy (FHEA). He is active in research and teaching, is a Senior Clinical Teacher at Imperial College, London and Honorary Senior Clinical Teacher at Brunel Medical School. He also peer reviews articles for international journals, contributes to research by recruiting patients for clinical trials, and presents at national and international meetings on topics of cancer screening, training, and inflammatory bowel disease. He regularly contributes nationally and internationally as part of a multidisciplinary working group for the improvement of endoscopy training quality. In 2018, Dr Rajendran was appointed as a full-time substantive consultant in Gastroenterology and General Internal Medicine at Hillingdon Hospital NHS Foundation Trust, where he is the current Endoscopy Training Lead for the Trust. He offers outpatient and interventional endoscopy services at Hillingdon and Mount Vernon Hospitals. He also covers emergency cases at Harefield Hospital. He speaks English, Hindi, Tamil and Kannada.

"Evidence-based care tailored to each patient — taking the time to explain options and shared decisions."

1. 2008–2014
   MD · Medicine and Surgery

   Universidad de Sevilla

2. 2014–2018
   Residency · Gastroenterology

   Universitat de València

1. 2018-09–2019-08
   Junior consultant

   Universidad de Sevilla Teaching Hospital — Gastroenterology

1. 1 Choose a slot
2. 2 Brief pre-consult form
3. 3 Consultation
4. 4 Follow-up note & plan

Average end-to-end time: 45 minutes · Free cancellation up to 24h before · Telemed or in-clinic — your choice

h-index: 3 · i10: 10

Selected publications

1. Validation of clinical scoring in Gastroenterology

   Dr Arun Rajendran, et al. · European Journal of Medicine, 2026

   DOI: 10.8473/euroclin.2026.0 · cited by 97

2. Long-term follow-up of Gastroenterology across

   Dr Arun Rajendran, et al. · European Journal of Medicine, 2025

   DOI: 10.2500/euroclin.2025.1 · cited by 123

• Patient education Patient guide to Gastroenterology 2026-03-22 · 5 min read
• Awareness When should you see a gastroenterology? 2026-01-28 · 8 min read