- Colon cancer screening
- Gastro-oesophageal reflux/Barrett's oesophagus
- Irritable bowel syndrome
Dr Preston graduated from St Mary's Hospital Medical School, Paddington in 1995.
His PhD, undertaken at Cancer Research UK, London, outlined the role of stem cells in gastrointestinal cancers.show more
His clinical practice focuses on the diagnosis and treatment of gastro-oesophageal reflux disease, Barrett's oesophagus, inflammatory bowel disease (Crohn's disease and ulcerative colitis) and irritable bowel syndrome.
His endoscopic expertise relates to gastroscopy, colonoscopy and endoscopic ultrasound and he is an accredited colonoscopist for the National Bowel Cancer Screening Programme.
He has written numerous papers and book chapters on gastrointestinal cancer and continues his research in Barrett's oesophagus.
Dr Preston enjoys tennis, golf and cycling.
Consultant Gastroenterologist/Director of EndoscopyBarts and the London NHS Trust
Honorary LecturerQueen Mary, University of London
St Mary's Hospital Medical School1995
Main switchboard: +44 (0) 207 935 4444
Treatment enquiries: +44 (0) 207 616 7693Consultant appointments: +44 (0) 207 616 7693 Prices for self funding patients: +44 (0) 203 219 3315Physiotherapy appointments: +44 (0) 207 616 7651X-ray and scan appointments: +44 (0) 207 616 7653Invoice and payment enquiries: +44 (0) 207 616 7708