Contact Details

Phone09 630 1838
Fax09 630 8589
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Mercy Specialist Ctr
100 Mountain Rd
Auckland 1023

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New Zealand’s Leading Gastroenterology and Hepatology Group Practice
Comprehensive Consultative and Endoscopy Services

About Auckland Gastroenterology Associates

Auckland Gastroenterology Associates


  • Timothy King 
  • Alan Fraser 
  • Rachael Bergman 
  • Philip Wong 
  • Mark Lane 

Consultative Services
  • General Gastroenterology 
  • Inflammatory Bowel Disease 
  • Viral Hepatitis
  • Hepatobiliary and Pancreatic Disease 
  • Familial Colorectal Cancer Assessment

Diagnostic Services
  • Oesophageal pH Monitoring 
  • Capsule Endoscopy 
  • Colorectal Cancer Screening

  • Gastroscopy, Colonoscopy and ERCP at Endoscopy Auckland and MercyAscot Endoscopy

Associated Onsite Services
  • Auckland Weight Loss Surgery
  • Jonathan Koea - Hepatobiliary, Pancreatic & Upper GI Surgeon
  • John Windsor - Pancreatic, Biliary, Gastro-Oesophageal & Laparoscopic Surgeon
  • Lyn Lloyd - Specialist Renal Dietician
  • Kerry McIllroy - Specialist Dietician

Definitions of Services


The colon (or large bowel/large intestine) starts at the end of the small intestine and ends at the rectum and anus. In a colonoscopy a long flexible tube (a colonoscope) is threaded up through themore


Endoscopic retrograde cholangiopancreatography (ERCP) is a procedure carried out to diagnose and treat problems in the liver, gallbladder, bile ducts and pancreas. These include gallstones, scarsmore


A Gastroenterologist specialises in the diagnosis and treatment of diseases and disorders of the digestive system (Gastroenterology). These may affect the oesophagus, stomach, small intestine andmore


Gastroscopy is an examination of the inside of the oesophagus (throat), stomach and duodenum (the first section of small intestine). It is performed by using a thin, flexible fibre-optic instrumentmore


A hepatologist specialises in disorders involving the liver. Hepatology is often considered a branch of gastroenterology. Hepatology is a large field and may cover conditions such as hepatitis, viralmore

Small bowel capsule

Endoscopy involves examining the inside of the body, usually with a lighted, flexible instrument called an endoscope. With capsule endoscopy, a pill-sized capsule is used instead of an endoscopemore

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