Dr Collum is a consultant gastroenterologist and clinical director for gastroenterology and endoscopy at East Lancashire Hospitals NHS trust. His main area of specialist clinical interest is in inflammatory bowel disease, for which he is the lead doctor at ELHT. He also diagnoses and treats a wide variety of upper and lower GI disorders including coeliac disease, irritable bowel syndrome, constipation and gastro-oesophageal reflux among others.
Dr Collum is also an experienced endoscopist and an accredited Bowel Cancer Screener.
After attending Manchester University, Dr Collum completed his medical training in Manchester and Liverpool. He went on to obtain a higher degree from Keele University, and has been granted Clinical Excellence awards for his improvements to services at ELHT.