Dr Malcolm Arnold


MB ChB (Glasgow)

MB ChB (Glasgow), FRCP, FRACP

Areas of Expertise:

  • Investigation and management of iron deficiency anaemia
  • Coeliac disease
  • Inflammatory bowel disease (Crohn's disease and Ulcerative Colitis)
  • Liver disease
  • Irritable bowel syndrome
  • Astro-oesophageal reflux.


Malcolm Arnold is a Scotsman, born in Falkirk in 1961, who graduated MB ChB from Glasgow University in 1984. Malcolm trained in General Medicine and Gastroenterology in Portsmouth, Southampton and Manchester UK and became a member of the Royal College of Physicians in 1991. 

 He then saw the light and moved to NZ in 1994, initially settling in Hawera and then moving to Hawkes Bay in 2000. Malcolm moved to Christchurch in March 2020 to take up the post of gastroenterologist at Christchurch Hospital. He is passionate about gastroenterology, particularly endoscopy, and quality in that field. He is Clinical Lead for the National Endoscopy Quality Improvement Programme (NEQIP) and a member of the board of Crohn Colitis NZ. He was president of the NZ Society of Gastroenterology from November 2018 to November 2020.


  • Gastroscopy
  • Colonoscopy Flexible Sigmoidoscopy
  • ERCP
  • Endoscopic Mucosal Resection of polyps
  • Dilatation and stenting of oesophageal, duodenal, colonic and biliary strictures