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      Assoc. Prof. Dato' Dr. Nik Ritza Kosai Nik Mahmood

      Bariatric SurgeryGastrointestinal SurgeryGeneral Surgery
      ⭐5.0(4 reviews)
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      5. Assoc. Prof. Dato' Dr. Nik Ritza Kosai Nik Mahmood
      Assoc. Prof. Dato' Dr. Nik Ritza Kosai Nik Mahmood

      Assoc. Prof. Dato' Dr. Nik Ritza Kosai Nik Mahmood

      Bariatric Surgery · Gastrointestinal Surgery · General Surgery

      31 years experience
      ·
      5.0 (4 ratings)

      About Doctor

      A pioneering Consultant General Surgeon specializing in Upper Gastrointestinal (UGI) and Obesity (Bariatric and Metabolic) surgery, Assoc. Prof. Dato' Dr. Nik Ritza Kosai Nik Mahmood established Malaysia's premier UGI and Bariatrics referral center. He has performed over 1500 bariatric surgeries, the highest in Malaysia, and is renowned for minimally invasive techniques, including single-incision laparoscopic surgery. A key opinion leader, he holds leadership roles in national and international surgical societies and has over 100 publications. His patient care philosophy emphasizes tailored and precise treatment.

      Qualifications

      • BSc (Med Sci)
      • MBChB
      • MRCS (UK)
      • MRCS (Royal College of Surgeons of Edinburgh)
      • FRCS (Gen Surgery) UK
      • CCST (Certificate of Completion of Specialist Training)

      Languages Spoken

      English
      Malay
      Indonesian

      Patient Reviews

      5.0
      4 reviews
      A

      zarina dollah

      March 28, 2026 at 4:48 AM

      5/5
      Google Review

      Doctor and nurses are very kind and caring.... facilities are indeed comfortable.... Dr. Nik Ritza is the best.... Jazakallahu khair.... Alhamdulillah

      A

      Fazz Ziell

      January 28, 2026 at 3:12 PM

      5/5
      Google Review

      The service from the staff & Dato' Dr Nik Ritza was very good. The waiting time was just a little long 😅.

      A

      yazid manaf

      December 25, 2025 at 7:37 AM

      5/5
      Google Review

      Friendly and helpful front desk staffs..Clear instructions.. It's my first visit to this hospital..Kudos to the staffs from front desk to the consultant.. Great explanation by Dato Dr Nik Ritza upon my next treatment.. Convincing and abolish my doubt.. hope for excellent results of my treatment..Pray for my recovery..

      A

      NURULHASANAH BINTI MUSTAPAR

      December 25, 2025 at 7:37 AM

      5/5
      Google Review

      I have had a great experience 🥰 thank you so much Prof. Dato’ Dr. Nik Ritza …

      Attached Images (1)

      Review image 1

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      Affiliated Hospitals
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