
Dr. Ahmad Rustam Mohd Zainudin
Pediatric Cardiology · General Pediatrics
5.0(11)
Bukit Mertajam
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Quick summary
Dr Koay Han Siang is a specialist in Pediatric Cardiology, General Pediatrics practicing at Loh Guan Lye Specialists Centre in George Town, Malaysia, with approximately 18 years of experience and an average rating of 5.0 out of 5 from 3 patient reviews. View qualifications, languages spoken and book an appointment on MedLads.
Dr Koay Han Siang is a specialist in Pediatric Cardiology, General Pediatrics affiliated with Loh Guan Lye Specialists Centre in George Town, Malaysia, with approximately 18 years of experience. The profile on MedLads includes verified patient reviews.
Dr Koay Han Siang specializes in Pediatric Cardiology, General Pediatrics.
Dr Koay Han Siang focuses on procedures including Pediatrics Consultation, Cardiac Assessment, Circumcision, Cardiac CT, Angiography. These are ranked using real signals on MedLads — patient enquiries, reviews that mention each procedure, and the doctor's own declared specialization.
Dr Koay Han Siang practices at Loh Guan Lye Specialists Centre in George Town, Malaysia.
Dr Koay Han Siang speaks English, Malay, Mandarin, Indonesian.
Dr Koay Han Siang has an average rating of 5.0 out of 5 from 3 patient reviews on MedLads.
You can book Dr Koay Han Siang on MedLads: open the profile, tap "Book Appointment", pick a preferred date and time, and submit your booking request. The clinic usually responds within 24 hours to confirm.

Online booking is not available for this doctor
Patients consistently praise Dr. Koay Han Siang for his exceptional care, professionalism, and expertise. They highlight his gentle, warm, and kind approach, making him a favorite paediatrician for many. His detailed and clear communication, coupled with a deeply caring demeanor, leaves families feeling secure and relieved.
AI-generated summary based on 3 written patient reviews rated 4 stars or above. It never adds anything patients did not write. How we create summaries
Typical costs are catalog estimates in Malaysian private hospitals; your final quote depends on the hospital and your clinical needs.
Verified credentialsMMC 45961NSR 131639
Registration details are manually verified by the MedLads team against the official public register for this profession.
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