Dr Sia Ong

Dr Sia Ong, providing Gastroenterology services in Pennant Hills, NSW, Australia.

The following description is a generic description for the category and does not necessarily reference all the services/ procedures offered by Dr Sia Ong.

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 and large intestine (colon), rectum, liver, gallbladder and pancreas.