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About Dr. Choy Yew Sing

  • Dr. Choy Yew Sing is a highly skilled Consultant Paediatrician, Geneticist, and Metabolic Specialist with over 19 years of experience in paediatric genetics and metabolic problems.
  • He received his MBBS from the University of Malaya with various accolades and achieved his MRCP (UK) in 1992. He furthered his specialisation by completing a Genetic Fellowship at Harvard Medical School, USA.
  • Dr. Choy, a pioneer in Malaysia's genetic and metabolic healthcare services, was instrumental in creating the National Service for Genetics and Inborn Errors of Metabolism under the Ministry of Health.
  • He specialises in rare genetic abnormalities, metabolic problems, and newborn screening.
  • He regularly participates in national medical boards and international associations, such as the American Society of Human Genetics (ASHG) and the Society for the Study of Inborn Metabolic Errors (SSIEM).
  • Dr. Choy is well-known for his leadership, clinical brilliance, and lifelong commitment to improving paediatric care in Malaysia.

Conditions treated by Dr. Choy Yew Sing

  • Abdominoperineal Resection (Pediatric)
  • Bone Marrow Transplant(Pediatrics)
  • Exchange Transfusion (Pediatric)
  • General Pediatrics
  • Pediatric Allergy
  • Pediatric Anesthesia
  • Pediatric Bronchoscopy
  • Pediatric Critical Care
  • Pediatric Dentistry
  • Pediatric Dermatology
  • Pediatric Diabetes
  • Pediatric Emergencies
  • Health Checkup (Pediatric)

Area of Interest

  • Paediatric Genetics and Metabolism
  • Paediatrics

Qualification

  • MBBS - University of Malaya, Malaysia, (1988)
  • Master's in Paediatrics - University Malaya Medical Centre, Kuala Lumpur

Work Experiences

  • Dr. Choi Yew Sing, over the years, has held critical positions at major institutions such as Kuala Lumpur Hospital, Ipoh Hospital, and University Hospital Kuala Lumpur, specialising in paediatrics, mother and child health, and clinical coordination.
  • He also worked as a Paediatric Advanced Life Support Instructor for the Ministry of Health from 1994 until 2007.
  • Global Team of Board Certified Surgeons and Medical Specialists
  • Written Second Opinion report delivered within 5 days
  • Option to avail the Video Consultation with the Lead Doctor of the board

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CERTIFICATIONS (1)

  • Harvard Genetic Fellowship, Harvard Medical School, Boston, USA 1999

MEMBERSHIPS (11)

  • Malayan Medical Council (Ethical subcommittee)
  • Membership of the Royal Colleges of Physicians of the United Kingdom
  • Malaysia Metabolic Society (Founder, Advisor)
  • Sub-speciality training board - Paediatrics/Genetics, Ministry of Health, Malaysia
  • Genetic Service Committee, Ministry of Health, Malaysia
  • Newborn Screening Committee, Ministry of Health, Malaysia
  • Cloning Committee, Ministry of Health, Malaysia
  • American Society of Human Genetics (ASHG )
  • Malaysia Pediatric Foundation (Committee member)
  • Malaysia Neuroscience Society (life member)
  • Malaysian Perinatal Society

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FREQUENTLY ASKED QUESTIONS

Is Doctor Choy Yew Sing doing teleconsultation on the MediGence platform?

Dr. Choy Yew Sing is available to teleconsult on the MediGence platform.

How long is the consultation?

The consultation can last from 15 to 30 minutes. It may exceed the estimated time, depending on the patient’s queries and the doctor's medical suggestions.

How soon can the consultation be organised?

We have Medical specialists and board-certified doctors on our panel of doctors. The consultation will be organised within 24 to 48 hours or based on the availability of the doctor and the patient.

Is a follow-up consultation included in the consultation price?

No, the follow-up consultation fee is not included in the consultation price. The patient will be required to re-book the consultation.

How do I share my medical record with the doctor for review?

The option to share your medical records is available between the steps of the form provided to you on the website.

Can I book my procedure with the doctor post-consultation?

Yes. If you are satisfied with the consultation, you can go ahead with treatment packages for your diagnosis with the help of our case managers.

Can you get an estimate for the procedure?

Yes. The cost estimate will be provided to you by our case manager, including the doctor’s opinion, the cost estimate, and crucial information about travelling to your medical destination.

FAQ's Related to Pediatrician

What does a paediatrician do?

A paediatrician is a medical doctor specialising in the health and medical care of infants, children, and adolescents. They monitor growth and development, diagnose and treat illnesses, manage chronic conditions, and provide preventive care, including vaccinations.

At what age should my child start seeing a paediatrician?

Your child should see a paediatrician from birth through adolescence. Regular check-ups are recommended at specific intervals to monitor growth, development, and health.

What should I bring to my child’s appointment?

Bring your child’s medical history, vaccination records, a list of current medications, and any questions or concerns you have.

How can I prepare my child for a doctor’s visit?

Explain the visit in simple, reassuring language. Let them know the doctor is there to help them feel better. Bringing a favourite toy or blanket can also comfort younger children.

Reviewer

Dr. Abdullah Rahil
Dr. Abdullah Rahil

MPT (Neuro)

7 Years of Experience

Dr. Abdullah Rahil, M.P.T. (Neurology), is a dedicated physiotherapy professional specializing in orthopedic, neurological, and musculoskeletal rehabilitation. With strong clinical expertise, he focuses on improving patient mobility, reducing pain, and restoring functional independence through evidence-based rehabilitation techniques. He is skilled in advanced therapeutic approaches that support effective rehabilitation and recovery for a wide range of musculoskeletal and neurological conditions, focusing on improving mobility, reducing pain, and restoring functional independence. Dr. Rahil has extensive experience managing diverse rehabilitation cases. His patient-centered approach emphasizes personalized treatment plans, continuous assessment, and comprehensive rehabilitation to achieve optimal recovery outcomes. View More

Last Reviewed - January 2026

Author

Tanya Bose
Tanya Bose

MSc Biotechnology

4 Years of Experience

Tanya Bose is a medical content specialist with a strong medical background. She has completed her Bachelor's and Master’s in Biotechnology from Amity University. With a deep understanding of biomedical sciences and research, she develops authoritative and patient-focused medical content covering treatments, surgical procedures, and healthcare innovations. Her writing emphasizes accuracy, clarity, and evidence-based information to help readers better understand complex medical topics. She is dedicated to improving patient awareness and supporting informed healthcare decisions by delivering trustworthy medical insights in a clear and accessible format.. View More