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      Dr Ong Sik Yong

      GastroenterologyHepatologyPediatrics
      ⭐5.0(22 reviews)
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      Dr Ong Sik Yong

      Dr Ong Sik Yong

      Gastroenterology · Hepatology · Pediatrics

      21 years experience
      ·
      5.0 (22 ratings)

      About Doctor

      Dr. Ong Sik Yong is a distinguished Consultant Paediatrician and Paediatric Gastroenterologist & Hepatologist at Sunway Medical Centre, renowned for his expertise in complex pediatric digestive and liver conditions, including liver transplant assessment. His extensive training includes a Fellowship from the Ministry of Health Malaysia with international experience at Birmingham Children Hospital, UK. He is proficient in advanced procedures like Oesophagogastroduodenoscopy and Colonoscopy, and his clinical focus spans general paediatrics, gastroenterology, hepatology, and nutrition, with a keen interest in inflammatory bowel disease and chronic liver disease.

      Qualifications

      • Medical Doctor (MD), Universiti Sains Malaysia (USM), 2005
      • Membership of the Royal College of Paediatric and Child Health (MRCPCH), Royal College of Paediatrics and Child Health, UK, 2011
      • Master of Paediatrics (MPaeds), University of Malaya, 2013
      • Fellowship in Paediatric Gastroenterology, Hepatology & Nutrition, Ministry of Health Malaysia (University Malaya, Hospital Selayang, Birmingham Children Hospital, UK)
      • Certificate of Completion of Fellowship (subspecialty) Training in Paediatric Gastroenterology (Ministry of Health), 2018
      • General Paediatrics & Paediatric Gastroenterology, Hepatology & Nutrition by Malaysia National Registry (NSR) 130499
      • Good Clinical Practice

      Languages Spoken

      English
      Malay
      Mandarin
      Cantonese
      Hokkien
      Indonesian

      Patient Reviews

      5.0
      22 reviews
      A

      Clara Hui

      March 28, 2026 at 4:48 AM

      5/5
      Google Review

      Had a wonderful experience at the new tower paediatric ward (Ward 6F). The environment feels luxurious with a hotel-like ambience. The room was spacious, clean, and very comfortable—housekeeping was excellent, truly like staying in a hotel. Thanks to Nurse Erra, one of the best nurses I’ve met. She was patient, prompt, and always helpful during both my stays, especially with my baby and other small but meaningful moments. Glad to see her again! Also, special thanks to Dr Ong Sik Yong for being such a kind and friendly paediatrician—very patient with my enquiries, provides detailed explanations, and is professional and straight to the point in his course of action. This is our second time seeing him, and we chose to return because we had such a good experience the first time. Most importantly, my baby recovered well both times—previously from RSV and this time from a UTI—which gives us great confidence in the care provided. Overall, I really enjoyed my stay (even as a companion). Kudos to all the nurses and staff for the amazing care and service!

      Attached Images (2)

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      A

      puiheong chin

      March 28, 2026 at 4:48 AM

      5/5
      Google Review

      My baby admitted to hospital under the care of Dr. Ong Sik Yong and nurses here Dr Ong explained very details and patiently. All nurses very helpful and polite

      A

      Kasthuri Muraleedharan

      December 29, 2025 at 8:05 AM

      5/5
      Google Review

      I would like to express my sincere thanks and appreciation to the doctors and nurses who took such great care of my daughter. A special thank you to Nurse Alia and Nurse Nisha from Ward 6D, as well as Dr Betty and the nurses in the Emergency Department on Saturday morning. Nurse Alia did an excellent job gently removing the cannula from my daughter’s hand without making her cry — it truly meant a lot to us as parents. Dr Betty was also very skilled and managed to cannulate her successfully on the first attempt. We are also very grateful to Dr Ong, who was extremely friendly and provided a clear and reassuring explanation about my daughter’s condition. Thank you all for your professionalism, kindness, and compassionate care. It is deeply appreciated.

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      Ivon Tee Zhi Yan

      December 24, 2025 at 2:39 PM

      5/5
      Google Review

      My daughter 2 years old check all blood test and swaps in clinic did not get to identify her symptoms, thank you to Dr Ong Sik Yong and all the nurse patient examined her and treat her well with medicine and check her all time. Service are fast and reliable as before this my first son are also admitted here due to his stop breathing curse action, we have no idea what happened but Dr Yap I think, patiently explain and answer all my questions left me no worries and took my son home also he teach the exact correct way to do when a child or adult have epilepsy. Can feel that sunway have professional doctors and nurse trained from food to cleanliness and hygiene and environment and services are excellent. Doctors are always patient and friendly as a parents we feel secure here and less worry.

      Attached Images (1)

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      A

      Yulya Madiah

      November 13, 2025 at 3:46 AM

      5/5
      Google Review

      Good facilities & staff. dr ong good

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      Sunway Medical Centre

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      Subang Jaya, Malaysia

      4.8
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      Affiliated Hospitals
      Sunway Medical Centre

      Sunway Medical Centre

      Subang Jaya, Malaysia

      4.8
      View Hospital →
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