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Dr Omer AhmadConsultant gastroenterologist and interventional endoscopist in W1G Marylebone London
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Dr Omer Ahmad

Consultant gastroenterologist and interventional endoscopist in W1G Marylebone London

BSc MBBS MRCP PhD
GMC: 7090129

5.02reviewsReview

Expert in:
Acid reflux
Endoscopy
Colonoscopy
Bowel cancer
Barrett's oesophagus
Irritable bowel syndrome (IBS)
  • Information
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Professional statement

Dr Omer Ahmad is a multi-award winning gastroenterologist and expert interventional endoscopist practising at prestigious locations including the London Digestive Centre and University College Hospital London. 

 

Dr Ahmad is currently clinical co-lead for the North Central London Endoscopy Network. He is one of the select few endoscopists specialising in the early detection and treatment of pre-cancerous conditions in both the upper and lower gastrointestinal tract (oesophagus, stomach and colon/bowel). He is a specialist-accredited colonoscopist for the National Bowel Cancer Screening Programme (requiring rigorous accreditation and audit of key performance indicators). 

 

He was ranked first nationally in the United Kingdom to gain specialist training, awarded the British Society of Gastroenterology clinical and translational scientist of the year and subsequently the National Endoscopy Rising Star Award. He studied medicine at University College London graduating with a distinction in both clinical sciences and practice alongside a 1st Class Honours intercalated degree in Pharmacology. He was awarded the A.J. Clark Prize for the best overall performance and placed on the prestigious Dean's List for outstanding academic achievement.

 

 

Dr Ahmad is a luminal gastroenterologist, in addition to advanced endoscopy, his specialist clinical practice includes the diagnosis and management of a wide range of gut disorders such as gastro-oesophageal reflux disease (heartburn) and irritable bowel syndrome.

 

His completed an academic endoscopy fellowship and PhD at UCL, developing pioneering AI software now used in clinical practice to detect early signs of gastrointestinal cancer. He continues to lead innovative research at the Division of Surgery and Interventional Sciences and the Surgical Robot Vision Research Group at UCL. He serves as an expert working member on multiple scientific committees and is frequently invited internationally to lecture (British Society of Gastroenterology, American Society of Gastrointestinal Endoscopy, Japanese GI Endoscopy Society).

Clinics

  • London Digestive Centre (HCA) profile image

    London Digestive Centre (HCA)

    W1G Marylebone London, 41 Welbeck St, London W1G 8EA,

    Medical insurances accepted

    I'm paying for myself

Credentials

Professional experience

  • 15 years of experience
  • Consultant gastroenterologist and interventional endoscopist, London Digestive Centre (present)
  • Consultant gastroenterologist and interventional endoscopist, University College London Hospital NHS Foundation Trust (2017 – present)
View more

Subspecialties

  • Achlasia
  • Eosinophilic oesophagitis
  • Oesophageal cancer
  • Colon cancer
  • Gastroscopy
  • Diarrhoea
  • Constipation
  • Small intestinal bacterial overgrowth
  • Colon polyps
  • Abdominal pain
  • Coeliac disease
  • Colorectal cancer
  • Gastric ulcers
View more

Professional memberships

  • Royal College of Physicians
  • British Society of Gastroenterology

Education

  • PhD, University College London
  • Membership, Royal College of Physicians
  • MBBS, University College London (2010)
View more

Teaching posts

  • Live endoscopy courses (co-organiser and faculty), University College London Hospital
  • Acaedmic supervisor, University College London

Positions in organisations

  • Clinical researcher, WEISS - Wellcome / EPSRC Centre for Interventional and Surgical Sciences (2017 – present)
  • Clinical co-lead, North London Endoscopy Network

Publications and conferences

  • Dr Ahmad's published research can be accessed on ResearchGate.

Languages spoken

  • English
Registration number: 7090129

Reviews

All reviews are from real patients and have been verified by our Customer Service department to ensure they meet our guidelines. Rules of the service

2 reviews

5.0

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  • Dr Ahmad was excellent and extremely personable, making me feel comfortable straight away. He was clear and concise in explaining his opinion and the action plan. He followed up quickly after our appointment with a letter to my GP. Highly recommend!
    6 August 2025

    M.F.

    Verified patient
  • Dr Ahmad has been exceptionally helpful in reaching a diagnosis for my gut issues. He made me feel at ease during a colonoscopy and throughout any consultations. He explains the issues straightforwardly. I would recommend his services to everyone!
    5 August 2025

    E.D.

    Verified patient
View all reviews

Treatments

The doctor is expert in

Acid reflux

Barrett's oesophagus

Bowel cancer

Colonoscopy

Endoscopy

Irritable bowel syndrome (IBS)

The doctor also specialises in:

Abdominal pain

Anxiety and Stress

Bloated stomach

Blood in stool (rectal bleeding)

Bowel cancer screening

Bowel incontinence

Cancer

Cancer screening

Capsule endoscopy

Chronic diarrhoea

Frequently Asked Questions

What is Dr Omer Ahmad's specialty?

Dr Omer Ahmad is a consultant specialising in Gastroenterology, with extensive experience in assessing and treating patients within this field.

Which conditions and treatments does Dr Omer Ahmad specialise in?

Dr Omer Ahmad is a gastroenterologist who provides assessment and treatment for Polypectomy, Gastroscopy, pH monitoring, Nasal endoscopy, Oesophageal manometry, Endoscopy, Gastrointestinal endoscopy, Helicobacter pylori, Coeliac disease, Colonoscopy, Stomach ulcer, Oesophagitis, Oesophageal varices, Indigestion (dyspepsia), Difficult Swallowing (Dysphagia), Barrett's oesophagus, Ulcerative colitis, Crohn's disease, Food allergies, Stomach cancer, Liver function tests, Colon cancer, Rectosigmoidoscopy, Colorectal cancer, Dysphagia, Hiatal hernia, Rectal cancer, Stomach flu, Gastrointestinal bleeding, Bowel cancer, Radiotherapy side effects, Cancer, Iron deficiency, Endoscopic mucosal resection (EMR), Pelvic radiation disease, Endoscopic submucosal dissection (ESD), Virtual colonoscopy, Lactose intolerance, Vomiting, Radiofrequency treatment (RFA), Weight loss, Digestive diseases, SIBO, Rectosigmoidoscopy. Biopsy, Removal of foreign body, Anxiety and Stress, Colon and rectum cancer, Diseases of the bile ducts, Diverticular disease, Diarrhoea, Irritable bowel syndrome (IBS), Lactose intolerance test, Acid reflux and Inflammatory bowel disease (IBD). During your consultation, you will be informed of the most suitable options following a personalised evaluation.

How many years of experience does Dr Omer Ahmad have?

Dr Omer Ahmad has 15 years of professional experience as a consultant gastroenterologist, providing specialist assessment and treatment in this medical field.

What do patients say about Dr Omer Ahmad?

Patients give a rating of 5.0 out of 5 to Dr Omer Ahmad, a score considered excellent. This average is based on 2 verified patient reviews, reflecting the experience of those who have attended an appointment.

Are Dr Omer Ahmad's reviews verified?

Yes. All Dr Omer Ahmad's reviews come from verified patients who have attended either an in-person or an e-Consultation appointment. We use a system that ensures authenticity and prevents fake reviews. Some profiles may also display reviews from other platforms, which follow their own verification policies, with the source always clearly indicated.

Where does Dr Omer Ahmad practise?

Dr Omer Ahmad practises in W1G Marylebone London at 41 Welbeck St, London W1G 8EA, offering in-person care and access to services as a gastroenterologist.

How can I book an appointment with Dr Omer Ahmad?

You can book an appointment with Dr Omer Ahmad directly from this page by selecting the time that suits you best. Alternatively, you can call the phone number shown if you prefer personalised assistance.

Does Dr Omer Ahmad see NHS patients?

Many specialists featured on Top Doctors also hold NHS positions. However, appointments arranged for Dr Omer Ahmad through this platform are private, either self-pay or covered by private medical insurance.

Does Dr Omer Ahmad offer private appointments?

Yes, Dr Omer Ahmad offers private appointments for patients seeking flexible and direct access to a consultant gastroenterologist.

Does Dr Omer Ahmad offer online consultations?

At the moment, Dr Omer Ahmad does not offer online consultations. You can book an in-person appointment from this page or call +44 02076610843. When calling, please mention that you are a Top Doctors patient.

Does Dr Omer Ahmad accept insurance?

At the moment, Dr Omer Ahmad offers consultations on a private, self-pay basis only.

What is Dr Omer Ahmad's availability?

Dr Omer Ahmad's availability depends on the appointment slots open at any given time. On this page, you can check current availability, and if no slots are shown, you can request an appointment or contact the practice directly.

What payment methods does Dr Omer Ahmad offer?

You can pay for your consultation with Dr Omer Ahmad using the following methods: Self-paying.

What languages does Dr Omer Ahmad speak?

Dr Omer Ahmad is a gastroenterologist who offers consultations in English.

How is Dr Omer Ahmad selected to appear on this platform?

All doctors listed on Top Doctors, including Dr Omer Ahmad, undergo our rigorous selection process. Only one in five specialists meets the required standards to be included.
Discover Top Doctors' rigorous medical selection process.
The doctor, or where applicable the hospital or medical centre in which the doctor provides services, undertakes to keep the information relating to the prices of services published on their profile on the Top Doctors platform up to date at all times, ensuring that such prices correspond to those effectively charged to patients. In the event of any discrepancy between the published price and the price ultimately charged to the patient, the doctor and/or the relevant hospital or medical centre shall be solely liable towards the patient and towards Top Doctors for any claim or financial difference arising therefrom.

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London Digestive Centre (HCA)W1G Marylebone London, 41 Welbeck St, London W1G 8EA,
Payment methodSelf-paying
Face-to-faceFirst visit
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