Expert Gastroenterology & Hepatology Consultations
Comprehensive diagnosis and individualized management plans for complex digestive and liver conditions in Christchurch.

International Expertise, Locally Committed
Dr. Jimmy Tiong provides a global perspective on digestive health, combining his New Zealand training with advanced fellowships from the UK. Practicing at the state-of-the-art 1 Health facility in Wigram, he offers a thorough approach to internal medicine, ensuring that every patient leaves with a clear understanding of their health and a roadmap for recovery.
Consultations available in English and Mandarin.
Upper GI & General Symptoms
Specialized assessment for persistent and complex symptoms:
- Acid Reflux (GORD) & Chronic Heartburn
- Bloating, Dyspepsia (Indigestion), and Gastritis
- Chronic Abdominal Pain & Discomfort
- Eosinophilic Oesophagitis & Achalasia (Swallowing Disorders)
- Nausea and Vomiting investigations
Lower GI & Bowel Health
Advanced management of chronic inflammatory and functional conditions:
- Inflammatory Bowel Disease (Crohn’s & Ulcerative Colitis)
- Coeliac Disease & Gluten Sensitivity
- Changes in Bowel Habits & Rectal Bleeding
- Irritable Bowel Syndrome (IBS) management
- Chronic Constipation or Diarrhoea
Holistic gut health and bowel cancer prevention
Addressing complex gut issues and the science of the "Gut-Brain Axis":
- Functional Gut Disorders (DGBI)
- Small Intestinal Bacterial Overgrowth (SIBO)
- Iron Deficiency Anaemia screening and management
- Advanced Nutrition Support for chronic GI conditions
- Bowel Cancer Screening and Polyp Surveillance
Advanced Hepatology & Liver Health
Following an Advanced Hepatology and Liver Transplant Fellowship at Queen Elizabeth Hospital in Birmingham, UK, Dr. Tiong offers expert care for complex liver diseases.
Jimmy provides comprehensive assessment and longitudinal care for the full spectrum of liver conditions:
- Chronic Viral Hepatitis: Long-term management of Hepatitis B & C.
- Metabolic Liver Disease: MASLD (Fatty Liver Disease) and Alcohol-related liver disease.
- Autoimmune & Rare Conditions: Autoimmune Hepatitis, Primary Biliary Cholangitis (PBC), and Primary Sclerosing Cholangitis (PSC).
- Advanced Liver Care: Cirrhosis management, Portal Hypertension, and Liver Transplant assessments.
Hepatitis B & Immigration Medical Reports
Dr. Tiong is a certified gastroenterologist providing specialist reports for immigration and visa clearance. Our streamlined process ensures all required clinical data is captured accurately for official submission. Our Assessment Includes:
- Hepatitis B serology and liver enzyme (ALT/AST) blood tests.
- Advanced FibroScan for non-invasive liver stiffness assessment.
- Comprehensive abdominal ultrasound and iron deficiency screening.
- A finalised specialist review and formal immigration report.
Your Path to Better Health
Specialist Consultation – A thorough 30–45 minute review of your medical history, symptoms, and lifestyle goals.
Precise Investigations – If required, prompt access to diagnostic Gastroscopy, Colonoscopy, specialised GI imaging, and other advanced GI investigations such as capsule endoscopy, oesophageal manometry and breath testing for SIBO.
Management Plan – A clear, individualized management plan focused on high-quality outcomes and long-term wellness.
FAQ
Ready to discuss your digestive health?
Dr. Tiong is currently accepting new patients and GP referrals for consultations at 1 Health, Wigram.








