Dr Udit Mittal

Dr Udit Mittal is a consultant gastroenterologist and specialist endoscopist with an NHS appointment at Oxford University Hospitals, Oxford. He also offers private consultations and treatments at Nuffield Health The Manor Hospital (Oxford), The New Foscote Hospital (Banbury) and The Royal Buckinghamshire Hospital (Aylesbury).

He cares for people with both common digestive symptoms and complex conditions. These include abdominal pain, bloating, diarrhoea, constipation, acid reflux, Barrett’s oesophagus, swallowing difficulties, irritable bowel syndrome (IBS), small intestinal bacterial overgrowth (SIBO), and gut microbiome imbalance (dysbiosis). He also manages coeliac disease, iron deficiency anaemia, inflammatory bowel disease (Crohn’s disease and ulcerative colitis), microscopic colitis, rectal bleeding, abnormal FIT results, abdominal lumps, and liver, gallbladder, and pancreatic disorders. His specialist interests include the gut microbiome, gut–brain interaction, preventative gastroenterology, familial gastrointestinal cancer syndromes, and the role of precision medicine in digestive health.

As a Nationally Accredited Bowel Cancer Screening Endoscopist, Dr Mittal meets the highest national quality standards for colonoscopy performance and safety. He undertakes a high volume of colonoscopies and endoscopic procedures each year, with excellent outcomes and an emphasis on precision, safety and patient comfort.

He is a Fellow of both the Royal College of Physicians of London and Edinburgh. Alongside his clinical practice, Dr Mittal plays an active role in shaping national standards in gastroenterology: he represents Oxfordshire on the British Society of Gastroenterology Clinical Services and Standards Committee, serves as Regional Specialty Adviser for the Royal College of Physicians, and is the Oxford and Thames Valley representative on the RCP’s New Consultants Committee.

Clinical expertise:

1. General gastroenterology.
2. Reflux, heartburn.
3. Diarrhoea, constipation and rectal bleeding.
4. Endoscopic procedures.
5. Abdominal pain and lumps.
6. Gut microbiome and functional disorders.
7. Cancer screening and prevention.
8. Liver and pancreaticobiliary disorders.

Dr Mittal combines specialist expertise with a supportive and approachable style. His focus is on early diagnosis, evidence-based treatment and preventative care to improve long-term digestive health. He welcomes both insured and self-pay patients. Consultations are offered in person, by telephone, or virtually, with evening appointments available by arrangement. A GP referral is preferred but not essential.

For more information and to read verified patient reviews, please visit Dr Mittal’s website.