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Dr Arun Rajendran

Dr Arun Rajendran

Gastroenterology, General (internal) medicine 06069578

https://drarunrajendran.com/

  • Bupa Platinum consultant
  • is fee assuredFee assured
  • Open Referral network
  • is Accredited endoscopistAccredited endoscopist
Overview
Bupa Platinum consultant
Fee assured
Open Referral network
Accredited endoscopist

Specialises in

  • Endoscopy
  • Inflammatory bowel disease

Bupa specialist

  • Accredited endoscopist

Offers

  • Face-to-face consultations
  • Video and telephone consultations

About me

Dr Rajendran is a highly distinguished, full-time Consultant Gastroenterologist with over two decades of clinical experience. He specialises in delivering rapid, precise diagnoses and deeply personalised care for patients experiencing troubling or complex digestive symptoms.

His private practice directly mirrors his NHS role at The Hillingdon Hospital NHS Foundation Trust, where he also serves as the Endoscopy Training Lead. He provides comprehensive outpatient assessments and advanced interventional endoscopy services across Hillingdon and Mount Vernon, ensuring a seamless and stress-free pathway to recovery. Alongside NHS, he also is practicing at premier centers: OneWelbeck, The London Clinic, and The Clementine Churchill Hospital (Harrow).

Clinical expertise:
Dr Rajendran provides expert consultant assessment, diagnostic clarity, and tailored management plans for a broad range of gastroenterological and general hepatology conditions. With extensive expertise in complex gut health, Dr Rajendran specializes in rapid diagnostic assessment and compassionate care for a full spectrum of gastrointestinal symptoms, including:
Stomach & Upper Gut: Persistent acid reflux, chronic heartburn, indigestion, nausea, swallowing difficulties, and H. pylori.
Bowel & Abdominal Concerns: Abdominal pain, severe bloating after eating, altered bowel habits, chronic diarrhoea, constipation, and Irritable Bowel Syndrome (IBS).
Red-Flag Investigations: Rectal bleeding (blood in stool), unexplained weight loss, and iron-deficiency anaemia.
Chronic Conditions: Crohn's disease, Ulcerative Colitis (IBD), Coeliac disease.

An expert interventional endoscopist, Dr Rajendran performs diagnostic and therapeutic Gastroscopy (OGD), Colonoscopy, and Polyp removal (Polypectomy) under dedicated sedation, maintaining industry-leading comfort scores and adenoma detection rates for bowel cancer screening

Academic Background & Research Excellence:
After graduating in 2001, Dr Rajendran completed his rigorous specialist training in Gastroenterology within North West London. Driven by a commitment to clinical education and research, he undertook a prestigious three-year postgraduate research and teaching fellowship at the world-renowned St Mark's Hospital. In 2020, he was awarded an MD from King's College London for his research into the learning curve of colonoscopic polypectomy.

His academic accolades include:
The National Institute for Health and Care Research (NIHR) CLAHRC Support Award (2016).
American Society for Gastrointestinal Endoscopy (ASGE) Cook Medical Marsha Dreyer Award.
British Society of Gastroenterology (BSG) Best Teaching Abstract Award

Dr Rajendran is a widely published author in peer-reviewed international journals and frequently presented his work on cancer screening, IBD, and endoscopy training at major national and global conferences.

Medical Education & Professional Affiliations
As a recognised leader in medical education, Dr Rajendran shapes the next generation of UK doctors. He holds a Postgraduate Certificate in Medical Education (2015) and was elected a Fellow of the Higher Education Academy (FHEA) in 2017. He also holds the role of Honorary Senior Lecturer: Imperial College London and at Brunel Medical School

Expert Advisory Roles: Member of several multidisciplinary working groups dedicated to improving the national quality of endoscopy training and pioneering "Green Endoscopy" sustainability initiatives.

Dr Rajendran's works closely with GPs and private medical insurers to ensure a smooth, transparent patient journey with same week appointments and endoscopy slots for insured and self pay patients across Central london, Uxbridge, Nortwood, Harrow, Buckinghamshire and Hertfordshire.
He is fluent in English, Hindi, Tamil and Kannada to support a diverse patient demographic and ensure clear, comfortable communications.

Areas of interest

Endoscopy, colonoscopy with sedation, Heartburn; Reflux; Bloating; Swallowing problems; Indigestion; nausea; Stomach pain; Diarrhoea; loose stools; Constipation; GERD; GORD; Dysphagia; Abdominal pain; feeling full quickly; Coeliac disease; Food intolerance; Irritable bowel syndrome; IBS;
Liver disease; Gallstones; Jaundice; Fatty liver; Vomiting; Food poisoning;
Rectal bleeding; blood in poo; Change in bowel habit; Inflammatory bowel disease; Crohns disease, Ulcerative colitis;
Gastrointestinal cancers; Bowel cancer; Gastric Cancer; Barrett's oesophagus
Anaemia; Peptic Ulcer disease; Stomach ulcer;
Weight loss; Vitamin and mineral deficiencies;
Flexible sigmoidoscopy; Therapeutic endoscopy including gastrosocpy and colonoscopy; Polyp removal; PEG insertion; Oesophageal dilatation;
Breath tests; Lactose, glucose and fructose intolerances; Bacterial overgrowth; SIBO; Malabsorption;

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