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Dr. Nik Ritza Kosai

Dr. Nik Ritza KosaiVerified

Doctor in Malaysia


Associate Professor Dato’ Dr. Nik Ritza Kosai Bin Nik Mahmood is a consultant surgeon and head of Universiti Kebangsaan Malaysia (UKM) Medical Centre’s department of gastrointestinal, bariatric, and metabolic surgery.

He obtained his Bachelor of Medicine and Surgery (MBBS) from the University of Manchester in 1995 and membership of the Royal College of Surgeons of England (MRCS) in 2001. He was a consultant honorary fellow in minimally invasive surgery and upper GI surgery at the Royal Bolton Hospital NHS Trust in England.

He is the president of the Malaysian Obesity and Metabolic Surgical Society and vice president of the Malaysian Upper GI Surgical Society.

He has published in various medical journals, newspapers, and magazines. He is often invited to speak, facilitate, and conduct training at local and regional meetings and medical conferences.

Dr. Kosai is a Fellow of the Royal College of Surgeons of England (FRCS).

  • Bachelor of science, University of St Andrews, 1992
  • Bachelor of medicine and bachelor of surgery, The University of Manchester, 1995
Medical training
  • Residency in general surgery, Royal Bolton Hospital, 2007
  • Internship in general surgery, Royal Blackburn Hospital, 1996
  • Royal College of Surgeons, 2001
  • Royal College of Surgeons, 2008
Professional Memberships
  • Endoscopic and Laparoscopic Surgeons of Asia
Languages spoken
  • Malay
  • English
  • GeoBlue
  • Great Eastern
  • MMS (Insurance Brokers) Sdn. Bhd.
  • MCIS Insurance Bhd
  • AIA
  • The Pacific Insurance Berhad
  • MediExpress
  • HTH Worlwide
  • Europ Assistance
  • International SOS
  • CompuMed
  • ING
  • Malaysian Life Reinsurance Group Berhad (MLRe) RGA
  • Persatuan Insuran Am Malaysia
  • Tokio Marine
  • AXA
  • Life Insurance Association of Malaysia (LIAM)
  • Mitsui Sumitomo Insurance
  • Medijaring
  • Aetna
  • Kurnia Insurance
  • GMC
  • IA International Assistance Sdn . Bhd.
  • Manulife Insurance
  • IHM
  • Tahan Insurance Malaysia
  • Bh Insurance M Bhd
  • Allianz
  • Cigna
  • Prudential
Affiliated Hospital
Related Clinics
Specialities: Clinic
Language Spoken: English
Specialities: Clinic
Language Spoken: Chinese (Simplified) ,Hokkien ,Mandarin ,English ,Tamil ,Malay ,Bahasa Indonesia ,Bahasa Melayu ,Cantonese
Specialities: Clinic
Language Spoken: Chinese (Simplified) ,Teochew ,Cantonese ,English ,Hokkien ,Mandarin
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