Meet Our Doctors

Our doctors provide comprehensive & personalised gastroenterology, endoscopy care and Digestive Health Services:

    Dr Malcolm Arnold

    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
    • Gastro-oesophageal reflux

    Skills:

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

    MB ChB (Glasgow)

    FRCP

    FRACP

    MB ChB (Glasgow), FRCP, FRACP

    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.

    Dr Jeffrey Jing Hieng NGU

    Qualifications:

    MBChB (Otago), FRACP, PhD

    Areas of Expertise:

    • Gastroscopy and Colonoscopy
    • Autoimmune liver diseases
    • Viral hepatitis B and C
    • Fatty liver disease
    • Cirrhosis and chronic liver diseases
    • Gastrointestinal bleeding
    • Inflammatory bowel disease
    • Irritable bowel syndrome
    • Coeliac disease
    • Bowel cancer surveillance and screening
    • Gastro-oesophageal reflux disease
    Read more

    Jeffrey graduated from the University of Otago with a Bachelor of Medicine and Bachelor of Surgery (MBChB). He completed advanced specialist training in Gastroenterology and Hepatology in Christchurch and was admitted as a fellow of Royal Australasian College of Physician (FRACP) in 2010. He underwent PhD study at the University of Otago (2010-2013) examining the epidemiology, clinical and molecular aspects of autoimmune liver diseases.

    Jeffrey has received several awards for his research works and has published several significant original scientific papers. His PhD thesis was awarded ‘Thesis of Exceptional Quality’ status by the Division of Health Sciences, University of Otago (2013). Jeffrey is also a member of the International Gastrointestinal Bleeding Consortium that has published several important original research works on gastrointestinal bleeding. Jeffrey remains active in academic research in the field of Gastroenterology and Hepatology. His main research interests are in the fields of autoimmune liver diseases, viral hepatitis, fatty liver diseases, liver cancer and gastrointestinal bleeding.

    After completion of his training, Jeffrey has worked as a Consultant Gastroenterologist and Hepatologist in Singapore General Hospital (2013-2017). He was adjunct Assistant Professor of Duke-National University of Singapore Medical School and Clinical Lecturer of Yong Loo Lin School of Medicine, National University of Singapore during his tenure at Singapore General Hospital. He has returned to Christchurch in 2017 working as Consultant Gastroenterologist and Hepatologist at Christchurch Hospital.

    Jeffrey is a skilled Endoscopist.  He is a passionate clinician and academic. He is experienced in conducting medical consultation in several languages including English, Mandarin and Malay following his working experience in Singapore.

    Jeffrey is an active member of several professional societies including the New Zealand Society of Gastroenterology, the American Association for the Study of Liver Diseases and the European Association for the Study of the Liver.

    Jeffrey is a Southern Cross Affiliated Provider.

    Dr Gary Lim

    Qualifications:

    MBChB (Otago) 2000, FRACP 2009

    Areas of Expertise:

    • Gastroscopy
    • Colonoscopy
    • Advanced therapeutic endoscopy
    • Inflammatory bowel disease (Ulcerative Colitis and Crohn’s disease)
    • Colorectal Cancer Screening
    • Liver disease
    • Coeliac disease
    • Irritable Bowel Syndrome
    • Anaemia and gastrointestinal bleeding
    • Gastro-oesophageal reflux disease
    • Barrett’s oesophagus and early oesophageal cancer
    • Early gastric cancer
    • Per Oral Endoscopic Myotomy

     

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    Gary was born and raised in Christchurch and graduated MBChB from the University of Otago in 2000. After completing two years of Gastroenterology training in Christchurch, he completed his 3rd year of training at Flinders Medical Centre, Adelaide, working in the South Australian Liver Transplant Unit

    In 2009 Gary completed a fellowship in advanced therapeutic endoscopy at Royal Brisbane and Women’s hospital, training in techniques such as Barrett’s oesophagus resection and ablation, GI stenting, endoscopic ultrasound, ERCP, large polyp resections and small bowel enteroscopy. Gary completed his training in these fields with a 2nd fellowship in 2010 at Princess Alexandra Hospital, Brisbane.

    Gary currently is a full-time Gastroenterologist at Christchurch Hospital and Clinical Lecturer in Medicine at the Christchurch Clinical School. He has a keen interest in endoscopic research as well as novel endoscopic techniques and is one of three New Zealand members of ANZELF (Australia New Zealand Endoscopy Leaders Forum)

    Gary is a Southern Cross Affiliated Provider

    Dr Teresa Chalmers-Watson

    Qualifications:

    BMedSc 1993, BMBS 1995, MRCP (UK) 2000, MD 2009

    Areas of Expertise:

      • Gastroscopy and colonoscopy
      • Inflammatory Bowel Disease ( ulcerative Colitis and Crohn’s Disease)
      • Colorectal Cancer Screening and Surveillance
      • Anaemia and Gastrointestinal Bleeding
      • Coeliac Disease
      • Liver disease
      • Irritable Bowel Syndrome
      • Gastro-oesophageal reflux disease
    Read more

    Teresa is a Consultant Gastroenterologist & Hepatologist at Christchurch Hospital and a Clinical Lecturer for the University of Otago. She was born & raised in Edinburgh, graduated from the University of Nottingham and then underwent Specialty Training in Gastroenterology and Internal Medicine in London, UK.  

    She previously worked in the Royal Free Hospital Liver Unit and the Royal London and St Bartholomew’s Hospital, where she was involved in research and training as a clinical fellow. She completed her doctoral studies at University College London in the Aetiology of Crohn’s disease before moving to Christchurch in 2005 with her husband and has subsequently had 3 proud Kiwi children.

    She is a Medical Advisor to the New Zealand Familial GI Cancer Service and is the Clinical Lead for the National Bowel Screening Programme in Waitaha, Canterbury, since 2020. She is passionate about improving gastrointestinal health in New Zealand and particularly reducing the high rates of colorectal cancer. She has been an active member of the New Zealand National Bowel Cancer Working Group since 2012.  

    Teresa continues to be actively involved in research and teaching of medical students, junior doctors and GPs and is a member of several professional societies, including the British Society of Gastroenterology and the International Society of Gastrointestinal Hereditary Tumours.

    Teresa is a Southern Cross Affiliated Provider

    Professor Richard Gearry

    Qualifications:

    MB ChB, FRACP, PhD

    Areas of Expertise:

    • Diagnostic and therapeutic endoscopy
    • Inflammatory bowel disease (Crohn’s disease, ulcerative colitis, microscopic colitis)
    • Coeliac disease
    • Colorectal cancer surveillance
    • Anaemia and gastrointestinal bleeding
    • Capsule endoscopy
    • Irritable bowel syndrome
    • Gastro-oesophageal reflux disease
    Read more

    Richard is a born and bred Cantabrian having attended primary, intermediate and secondary school in Christchurch before spending three years in Dunedin at the University of Otago. His clinical training continued at the University of Otago, Christchurch before graduating MB ChB from the University of Otago in 1995. After working at Nelson hospital as a house surgeon, he undertook Physician and Gastroenterology training at Christchurch Hospital graduating with his FRACP in 2004. In 2006 he graduated with a PhD from the University of Otago and subsequently completed Fellowships with Professor Peter Gibson at Box Hill Hospital (Melbourne, Australia) and St Mark’s Hospital (London, United Kingdom).

    He is currently a Professor of Medicine at the University of Otago, Christchurch and a Consultant Gastroenterologist at Christchurch Hospital. He is a Medical Advisor to Crohn’s and Colitis New Zealand, a Trustee of the Gut Foundation and a board member of Crohn’s Colitis Cure. He has previously been Medical Director of the New Zealand Nutrition Foundation.

    In addition to his clinical interests, Richard is passionate about research having published over 160 scientific papers, given invited lectures nationally and internationally and undertaken clinical trials of new pharmaceuticals. He was awarded an Early Career Award for Distinction in Research by the University of Otago in 2010 and in 2015 became the youngest ever Joint Clinical Appointment to receive the Gold Medal for Research at the University of Otago, Christchurch. In 2016 he was awarded The Rowheath Trust Award and Carl Smith Medal for outstanding research performance by the University of Otago. Richard actively supervises PhD and Master’s students undertaking post-graduate research in Gastroenterology and related fields.

    Richard also takes an active role in teaching Medical Students, Trainee Interns, House surgeons and Registrars. Richard teaches in Gastroenterology, Endoscopy and General Medicine at the University of Otago, Christchurch.

    Professor Catherine Stedman

    Qualifications:

    MBChB (Otago) 1992, FRACP 2002; PhD (Sydney) 2006

    Areas of Expertise:

    • Hepatology (liver disease)
    • Diagnostic and therapeutic endoscopy- (gastroscopy and colonoscopy)
    • Inflammatory bowel disease
    • Irritable bowel syndrome
    • Coeliac disease
    • Anaemia and gastrointestinal bleeding
    • Bowel cancer surveillance and screening
    • Gastro-oesophageal reflux disease
    Read more

    Catherine is a specialist Gastroenterologist and Hepatologist at Christchurch Hospital, and also works as a Clinical Senior Lecturer for the University of Otago where she convenes medical student gastroenterology teaching. She studied medicine at the University of Otago and then completed medical specialist training (FRACP) in several specialties including gastroenterology and hepatology as well as clinical pharmacology in Christchurch.

    She spent a number of years in Sydney Australia, completing PhD studies at the University of Sydney. During that time she was also involved in research at the Salk Institute (California), worked for an Asia Pacific Drug Safety and Surveillance Centre, and was involved in liver and endoscopy clinics at Westmead Hospital in Sydney. She has recently returned from a clinical sabbatical at the prestigious King’s Liver Transplant Unit at the King’s College Hospital in London. In 2015 she was promoted to Associate Professor at the University of Otago, Christchurch in recognition of her research, teaching and service contributions.

    Catherine is currently actively involved in many specialist societies, including the New Zealand Society of Gastroenterology and the American Association for the Study of Liver Diseases. She regularly contributes papers and speaks at conferences, has been a Clinical Advisor to bpacnz, and is a member of a New Zealand Medical Council Advisory Panel. She is involved in many clinical trials of new pharmaceuticals and is passionate about providing excellence in all aspects of patient care.

    Catherine is a Southern Cross Affiliated Provider.

    Dr Jan Kubovy

    QUALIFICATIONS:

    MD 2004, MRCP 2010, FRACP 2018

    AREAS OF EXPERTISE:

    • Diagnostic gastroscopy and colonoscopy
    • Polyp and bowel cancer surveillance
    • Advanced therapeutic endoscopy
    • Inflammatory bowel disease
    • Irritable bowel syndrome/Functional gut disorder
    • Liver disease
    • Coeliac disease
    • Iron deficiency anaemia
    • Gastro-oesophageal reflux disease
    • Helicobacter pylori
    • Capsule endoscopy

    Sub-specialises in

    Luminal interventional endoscopy, specifically in diagnosis and endoscopic management of precancerous and early cancer lesions.

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      Jan is born and bred in Prague, where he graduated in 2004 from the renown Charles
      University. He has spent his junior physician years in Prague and subsequently UK. During
      this time, he also undertook postgraduate studies at the Liverpool School of Tropical
      Medicine, opening doors to medical volunteering overseas. He eventually grew
      disenchanted with NHS and relocated to New Zealand in 2011, completing specialist
      gastroenterologist training in 2018. He went onto clinical fellowships in Auckland,
      Christchurch and eventually in eminent overseas centres in Amsterdam (Netherlands) and
      Portsmouth (UK). Since 2021, Jan works full time as a consultant gastroenterologist in
      Christchurch Hospital, where he is also actively involved in teaching and research.

      Dr Rajan N Patel

      QUALIFICATIONS:

      MBChB (Hons), MRCP (London) (Gastroenterology), FRACP.

      AREAS OF EXPERTISE:

      • Diagnostic and therapeutic endoscopy
      • Inflammatory bowel disease (Ulcerative colitis and Crohn’s disease)
      • Colorectal cancer surveillance
      • Colorectal polyp resection
      • Irritable bowel syndrome/Functional gut disorders
      • Liver disease
      • Coeliac disease
      • Iron deficiency anaemia
      • Gastro-oesophageal reflux disease
      Read more

      Raj is a consultant gastroenterologist in Christchurch. He completed his undergraduate degree (MBChB (Hons)) at the University of Liverpool Medical School, UK. He went on to complete his gastroenterology training in London (including Kings College Hospital, Royal Free Hospital and The Royal London Hospital). Raj worked as a consultant in North London before moving to New Zealand in 2021.

       

      Raj has an interest in Inflammatory Bowel Disease, advanced luminal endoscopy and clinical research. He also has a passion for telehealth and has developed an app that aims to personalise care and enhance patient empowerment. Raj has presented and published in areas including inflammatory bowel disease, colonic polypectomy and bowel preparation.

      Dr Vivek Thayaril

      AREAS OF EXPERTISE:

      • Inflammatory Bowel Disease (Ulcerative Colitis & Crohn’s Disease)
      • Gastroscopy
      • Colonoscopy
      • Bowel Cancer Surveillance
      • Colorectal Polyp Resection
      • Coeliac Disease
      • Liver Disease
      • Irritable Bowel Syndrome/Functional Gut Disorder
      • Iron Deficiency Anaemia
      • Gastro-oesophageal Reflux Disease

      Background

      Vivek is a consultant gastroenterologist at Christchurch Hospital with special
      interest in Inflammatory Bowel Disease. Originally from India, Vivek moved to
      New Zealand in 2011 after spending a few years at the Mayo Clinic,
      Rochester doing molecular research in Gastroenterology. After doing his
      General Medicine training in Wellington, he then went on to do his advanced
      training in Gastroenterology before returning to the Mayo Clinic for an
      Inflammatory Bowel Disease fellowship.

      Upon his return to New Zealand, he moved to Christchurch to join the
      gastroenterology team at Christchurch Hospital. He is actively involved in
      teaching students at University of Otago and runs IBD clinical trials at
      Christchurch Hospital. Outside of work, Vivek enjoys spending time with his
      family, gardening and maintaining his marine aquarium.

      Vivek is a Southern Cross Affiliated Provider.

      Contact us today

      Appointments are available

      (03) 662 9458

      40 Stewart St. Christchurch 8011, NZ

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