Dr. Christina Ong is a senior consultant paediatrician and paediatric gastroenterologist in Singapore, with over 20 years of clinical experience. She specializes in paediatric gastroenterology, hepatology, nutrition, and general paediatrics. Dr. Ong has a particular focus on managing children with gastrointestinal conditions and performing endoscopic procedures. She graduated from the Imperial College School of Medicine in London and further trained in the UK, becoming a Fellow of the Royal College of Paediatrics & Child Health. Dr. Ong is also accredited by the Singapore Medical Council as a specialist in paediatric medicine and gastroenterology.

Dr. Ong's expertise includes treating common childhood conditions, growth and nutrition issues, food allergies, and gastrointestinal diseases like GERD, irritable bowel syndrome, and liver diseases. She is one of the few accredited paediatricians in Singapore qualified to perform gastroscopy and colonoscopy in children. Currently practicing at the Paediatric & Gastroenterology Clinic at Mount Elizabeth Novena Specialist Medical Centre, Dr. Ong has earned recognition for her clinical excellence and patient care, making her one of the best paediatricians in Singapore.