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Dr Laura Marelli

MD, CCT Gastroenterology

Consultant Gastroenterologist

Specialty: Gastroenterology

Location: London

Professional Profile

Dr Marelli has been working as a Consultant Gastroenterologist since 2010, helping patients with a wide range of digestive problems. These include indigestion, acid reflux, abdominal pain, bloating, diarrhoea, constipation, and food intolerances. She has a specialist interest in diagnostic and therapeutic endoscopy, colonoscopy and capsule endoscopy.

Dr Marelli specialises in the diagnosis and management of inflammatory bowel diseases, including Crohn’s disease and ulcerative colitis, as well as bowel cancer screening. She also has a particular interest in treating functional and autoimmune gastrointestinal conditions such as irritable bowel syndrome (IBS), coeliac disease, dyspepsia, and gastro-oesophageal reflux disease. In addition, she offers expertise in managing rare and complex disorders including microscopic colitis and eosinophilic oesophagitis.

Over the years, she has performed more than 5,000 gastroscopies and over 5,000 colonoscopies, and has reported more than 1,000 capsule endoscopies. Dr Marelli has extensive experience in colonoscopy and advanced polyp removal and has been accredited to perform bowel cancer screening colonoscopies since 2012. She is the lead gastroenterologist for the colo-rectal multidisciplinary meeting (MDT) and the polyp MDT in my NHS hospital and she is an expert in advanced complex polyp removal.

Since 2012, Dr Marelli has been the Director of the North East London Bowel Cancer Screening Centre, reflecting her strong interest in the screening and prevention of digestive disorders.
She currently serves as the Endoscopy Lead at her NHS hospital, as well as the Endoscopy Lead for North East London. In these roles, she focuses on ensuring that every procedure is performed safely, comfortably, and to the highest possible standard.

Teaching and training are also important parts of her work. Dr Marelli has been teaching on JAG endoscopy courses since 2009 and has been the North East London Lead for the London Endoscopy Training Academy since its foundation in 2022.

Dr Marelli’s approach is patient-centred: she takes the time to listen, explain, and work with you to find the best way forward for your digestive health.

Specialises In

Irritable bowel syndrome
Acid reflux and indigestion
Inflammatory bowel disease
Coeliac disease
Bowel cancer screening
Colonic polyps
Gastroscopy
Colonoscopy and polypectomy
Capsule endoscopy

Professional Memberships

British Society Gastroenterology (BSG)
United European Gastroenterology Federation (UEGF)
European Society of Gastrointestinal Endoscopy (ESGE)

What Our Patients Say

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