Dr Philip Allan


  • Specialities Gastroenterology
  • Telephone 07835 407818
  • Year of first qualification 2001
  • Email
  • Languages spoken


  • GMC Number 6029198
  • Fax 01865 307685


Dr Allan is a Consultant Gastroenterologist at Nuffield Health The Manor Hospital, Oxford and was appointed Consultant Gastroenterologist at the Oxford University Hospitals NHS Foundation Trust in 2015. He graduated from University College London Medical School in 2001 and subsequently trained in Gastroenterology in Oxford and surrounding hospitals. He gained a DPhil in 2013 after research into immune cell signalling in Crohn’s disease. Having gained his Certificate of Completion of Training (CCT) he undertook a post-CCT fellowship in Advanced Nutrition spending 6 months in Salford Royal at the Intestinal Failure Unit and 6 months in Oxford with the Intestinal Failure team and Small Bowel Transplant team.

Dr Allan is a general gastroenterologist and is available to see all general gastroenterology problems including dyspepsia, diarrhoea, constipation, abdominal pain, microscopic colitis, inflammatory bowel disease, post-cancer treatment symptoms, Coeliac disease, iron deficiency anaemia, macro- and micro-nutrient deficiencies, bile salt malabsorption, pancreatic insufficiency. In addition, he has both diagnostic and therapeutic endoscopic skills.

Dr Allan has published widely in the fields of both intestinal failure and small bowel transplantation. His research interests include intestinal failure associated liver disease and immunological cell tracking.


  • Endoscopy Thursday morning or Friday morning or by arrangement


Current posts

  • Consultant Gastroenterologist at Oxford University Hospitals NHS Foundation Trust


Gastroenterology – general problems including diarrhoea, constipation, abdominal pain, dyspepsia, dysphagia, gastroparesis, Coeliac disease, microscopic colitis, inflammatory bowel disease, bile salt malabsorption, post-cancer treatment symptoms, macro- and micro-nutrient deficiencies.

Other interests

Gut graft versus host disease.

Member of

  • British Society of Gastroenterology
  • European Crohns and Colitis Organisation
  • Intestinal Rehabilitation and Transplant Association
  • Medical Protection Society


Dr Allan currently has research interests in intestinal failure and small bowel transplantation. In particular he is investigating lipid metabolism in intestinal failure associated liver disease, the role of the gut microbiome in health and disease and investigating gut function following a small bowel transplant.


Dr Philip Allan works with the following private medical insurance providers:
  • Aviva Health
  • AXA PPP Healthcare
  • AXA PPP International
  • Bupa
  • Bupa On Demand
  • Cigna
  • Exeter Family Friendly
  • PHC
  • Simplyhealth
  • Vitality Health (Pru Health)
  • Westfield Health WPA

Dr Philip Allan does not hold a share or financial interest in this hospital, another Nuffield Health hospital or the company.

Dr Philip Allan does not have a share or financial interest in equipment used at this hospital or another Nuffield Health hospital.

Dr Philip Allan does not hold any paid advisory role(s) at this hospital or on behalf of Nuffield Health.