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Dr. Christina Ong


Newborn and Well baby screening, Common Childhood Illnesses, Acute Childhood Infections, Childhood Vaccinations, and Developmental Assessment


  • MBBS (London)
  • FAMS (Singapore)

Dr. Christina Ong graduated from the Imperial College School of Medicine, London in 1997. She has been a member of the Royal College of Paediatrics and Child Health (UK) since 2001, and was elected as Fellow of the Royal College of Paediatric and Child Health in 2012. She is dually accredited by the Singapore Medical Council as a specialist in Paediatric Medicine and Paediatric Gastroenterology.

Following her graduation from Imperial College, Dr. Ong entered the prestigious NW Thames London Deanery Paediatric training scheme. She worked in the major teaching hospitals in London, including St. Mary’s Hospital and Chelsea & Westminster Hospitals. After completing her general paediatric and neonatology training, she further sub-specialised in Paediatric Gastroenterology, Hepatology and Nutrition working at Great Ormond Street Hospital for Children, Royal Free Hospital and King’s College Hospital in London. Dr. Ong is currently on the Specialist Register for General Paediatric and Paediatric Gastroenterology both in the United Kingdom and Singapore.

In 2011, Dr. Ong relocated back to Singapore to work at KK Women’s and Children’s Hospital. She was the Head and Senior consultant at the Gastroenterology service, Paediatric Medicine until 2018. During her time at KKH, she pioneered several clinical services including Nutrition support service, paediatric inflammatory bowel disease clinics, 24/7 endoscopy on-call service and transition care for Adolescents. Today, she still contributes to the care of patients in KKH as a visiting consultant.

As a paediatrician with more than 20 years of clinical experience, Dr. Ong is adept at managing general paediatric conditions which include:

  • Newborn and Well baby screening

  • Common childhood conditions

  • Childhood immunizations

  • Developmental assessments

  • Acute childhood infections etc

In addition, Dr Ong is also a senior paediatric gastroenterologist with a wealth of experience in the management of children with gastrointestinal problems including:

  • Abdominal pain

  • Gastroesophageal Reflux (GERD)

  • Nutrition and growth issues

  • Food allergies

  • Constipation, diarrhoea and rectal bleeding

  • Irritable bowel Syndrome

  • Inflammatory bowel disease

  • Celiac disease

  • Gallstone and Gallbladder diseases

  • Liver diseases (Hepatitis A/B,C, Fatty Liver disease, Autoimmune liver disease) etc

She is one of few accredited paediatric doctors in Singapore who can perform gastroscopy and colonoscopy in children and adolescents.

Aside from her clinical duties, Dr. Christina Ong has been heavily involved in medical education. She held positions as Adjunct Assistant Professor at Yong Loo Lin School of Medicine, Duke-NUS Medical School and Lee Kong Chian Medical School. She conducts regular teaching sessions for medical students and junior doctors. As a key opinion leader in the field of paediatric gastroenterology in the region, she is frequently invited to give lectures in local and regional conferences. In 2018, she was the organising chairman of the inaugural paediatric Singapore Clinical Nutrition Conference.

Dr. Ong is also actively involved in clinical research. She has won several research grants including the Great Ormond Street scientific initiation award, SingHealth Foundation grant and Tan Cheng Lim Grant. She has several publications in reputable peer-reviewed international journals.

In recognition of her clinical excellence and patient care, she has received numerous awards over the years. These include two Service of the Heart Awards (2013, 2015) and the SingHealth Quality Service Award: Silver (2012), Gold (2013) and Star (2014, 2015).

Dr. Ong is currently practising as a senior consultant Paediatrician and Paediatric Gastroenterologist at SOG – Christina Ong Clinic for Children and Gastroenterology, located at Mount Elizabeth Novena Specialist Medical Centre.


contact information

SOG – Christina Ong Clinic for Children and Gastroenterology

Mount Elizabeth Novena Specialist Centre 38 Irrawaddy Road #07-53 Singapore, 329563
6253 2253