
Gastroenterology · Hepatology · Internal Medicine
Dr. Ong Tze Zen is a distinguished Consultant Physician and Gastroenterologist & Hepatologist, also serving as the Medical Director of KPJ Kajang Specialist Hospital. With extensive experience since 1995, he excels in diagnosing and treating complex digestive and liver disorders. Dr. Ong is a passionate advocate for public health, notably championing the 'Find the Missing Millions' initiative for World Hepatitis Day, demonstrating his commitment to patient education and preventative care.
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Kajang, Malaysia

Kajang, Malaysia