
General Surgery · Bariatric Surgery · Gastrointestinal Surgery
Dato' Dr. Nik Ritza Kosai Nik Mahmood is a leading General Surgeon specializing in Upper Gastrointestinal, Metabolic, and Bariatric Surgery. He was instrumental in establishing and heading the Upper GI, Metabolic, and Bariatric Surgical unit at Hospital Canselor Tuanku Muhriz (HCTM), a premier referral center in Malaysia for Upper GI Cancers and Obesity Disorder, having performed over 1500 bariatric surgeries. A key opinion leader, he holds significant leadership roles in national and international surgical societies and has an extensive publication record. His patient care philosophy emphasizes advanced, minimally invasive techniques for complex gastrointestinal and metabolic conditions.
liawan yusdianto
November 13, 2025 at 1:22 AM
Juz finished my Health Screening session with Health Screening Dept at Gleanagles Hospital KL. Overall, the services are Great. The staffs very helpful and gave helpful and clear explanation. We cam communicate easily in Bahasa as well. Dr Nik also very kind and helpful by giving every details results of the Health Screening. Tq Health Screening Dept of Gleanagles Hospital KL.
csk
November 13, 2025 at 1:21 AM
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View Content on Googleaida mahmud
November 7, 2025 at 10:10 AM
Came on 19may to do full medical check under company GL. All procedures and test went well. Staff is very friendly and dedicated, very energetic and fast. Big thank you to Dr Nik, Dr Latiffah and staff 5th floor block B and especially ms Saroja very helpfull staff. Kudos to u guys..5star rating..
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