
Internal Medicine · Infectious Disease
Dr. Mark Yong Leong is a distinguished Consultant Internal Medicine specialist renowned for his comprehensive approach to complex medical conditions. With a strong foundation in diagnosing cancers and tumors, utilizing diagnostic scopes (OGDS), and managing allergy, immunology, and infectious diseases, he offers specialized and thorough care. His expertise ensures patients receive advanced and targeted treatment strategies.
RosLina M
December 6, 2025 at 2:14 PM
I want to thank **Putra Specialist Hospital** for their exceptional service! The doctors, nurses, and staff were incredibly professional, caring, and efficient. The facilities were clean, and the treatment was top-notch. Special thanks to Dr Mark & assistant Ms Jannah , Dr Zaid & Physiotherapy’s staff for their kindness and expertise. Highly recommended for anyone seeking quality healthcare. Thank you Roslina 🌹 since 2021 -2025
Ely Hafizun Mohd zamzam
December 6, 2025 at 2:13 PM
I am very, very grateful to Dr. Mark Yong Leong for providing the best care during my 2 months in Putra Hospital... 17 days in ICU isolation... the rest in a regular ward... Dr. Mark did his utmost to treat me... Thank you also to the staff of Putra Hospital... When my children are sick, I will also look for Dr. Mark..... 🥰
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