Dr Tim Ambrose

Dr Tim Ambrose (MBChB, FRCP, DPhil) is a Consultant Gastroenterologist at Oxford University Hospitals NHS Foundation Trust and Nuffield Health, The Manor Hospital, Oxford. Dr Ambrose has expertise in all aspects of general gastroenterology including anaemia, diarrhoea, constipation, abdominal pain, reflux, swallowing difficulties, nausea/vomiting and weight loss. His subspecialty interests lie in inflammatory bowel disease (ulcerative colitis and Crohn’s disease) and clinical nutrition (including coeliac disease, short bowel syndrome and stoma dysfunction). He is accredited for diagnostic and therapeutic gastroscopy and colonoscopy. Dr Ambrose provides patient-focused consultations with shared agreement on investigations and treatment strategies. Politeness, communication and explanation have been consistent themes in patient feedback. Dr Ambrose qualified in medicine from The University of Edinburgh and completed his training in Gastroenterology in Oxford and the wider Thames Valley region. He undertook a Fellowship in Intestinal Rehabilitation at St Mark’s Hospital, London, and in Intestinal Transplantation at Addenbrooke’s Hospital, Cambridge (2014-2015). He was awarded his DPhil from The University of Oxford (2018) and for his thesis, he was awarded a Letter of Commendation. Dr Ambrose has ongoing academic interests related to his areas of practice and has peer-reviewed for a number of relevant journals. He enjoys teaching and training others and has been the Training Lead for gastroenterology trainees in Oxford since 2019. He lectures on the graduate entry medical student teaching programme for Gastroenterology. Dr Ambrose sits on the Small Bowel & Nutrition committee of the British Society of Gastroenterology and on the committee of the British Association for Parenteral and Enteral Nutrition Medical section. He is also a member of the European Crohn’s and Colitis Organisation. He is on the specialist register with the General Medical Council (GMC).

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

1. 2008–2014
   MD · Medicine and Surgery

   Universidad Complutense de Madrid

2. 2014–2018
   Residency · Gastroenterology

   Universitat de València

1. 2018-09–2019-08
   Junior consultant

   Universidad Complutense de Madrid 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: 6 · i10: 4

Selected publications

1. Long-term follow-up of Gastroenterology across

   Dr Tim Ambrose, et al. · European Journal of Medicine, 2026

   DOI: 10.8034/euroclin.2026.0 · cited by 70

2. Validation of clinical scoring in Gastroenterology

   Dr Tim Ambrose, et al. · European Journal of Medicine, 2025

   DOI: 10.8840/euroclin.2025.1 · cited by 68

• Patient education Patient guide to Gastroenterology 2026-03-19 · 10 min read
• Awareness When should you see a gastroenterology? 2026-01-10 · 8 min read