Request a Direct Access Procedure



If you have new specific bowel symptoms (such as new loose bowel motion, constipation, rectal bleeding or abdominal pain) or have a family history of bowel cancer, you may be eligible to book a colonoscopy without your GP's referral.  Consultations available in English and Mandarin.

Contact Us

GP & Specialist Referrals



Dr Jimmy Tiong welcomes referrals for colonoscopy, gastroscopy, and general gastroenterology consultations. We prioritise urgent cases and aim to provide comprehensive electronic reports within 24 hours of the procedure. Consultations available in English and Mandarin.


  • For GP referral: Search JT Gastroenterology (Dr Jimmy Tiong) on ERMS



  • Urgent Enquiries: Please call the clinic directly at 03 662 9309.



Visit Our Clinic

We are located within the modern 1 Health facilities in Wigram.


Address: 1 Henry Wigram Drive, Wigram, Christchurch 8042


Phone:  03 662 9309


Parking: Ample free on-site parking is available for patients.


Hours: Monday – Friday, 9:00 am – 5:00 pm