Prof. Dr. Nik Ritza Kosai
Obesity/Bariatric Surgery
31+
Years of Experience
About Prof. Dr. Nik Ritza Kosai
Dr. Nik Ritza Kosai Nik Mahmood is among Malaysia’s pioneers in the field of bariatric and upper gastrointestinal surgery. He pioneered Malaysia's first and foremost centre for obesity and metabolic surgery. He studied at the University of St Andrews, Scotland and the University of Manchester, completed his Specialist Surgical Training in NW of England and was awarded MRCS & FRCS (General Surgery) in the UK.
Professional Background
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First Clinic/Unit Established: UGI and Bariatrics Unit at Hospital Canselor Tuanku Muhriz, PPUKM (2011) - first referral centre for upper GI cancers and obesity treatment in Malaysia
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Procedures Performed: More than 2,300 bariatric /metabolic operations and more than 500 intragastric balloons.
Innovations & Contributions
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Research Contributions: Published over 200 peer-reviewed papers on outcome of bariatric surgery, oesophageal and gastric cancers, Helicobacter pylori and gastro-oesophageal reflux; obtained research grants worth a total of over RM 2 million
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Notable Medical Advancements: Has been widely published internationally and locally including co-authoring research into the history and evolution of bariatric surgery in Malaysia; participated in the development of the national guidelines for managing all stages of bariatric surgery and the National Obesity Guidelines.
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Leadership Roles: President, Malaysian Metabolic and Bariatric Surgical Society; President, Malaysia Chapter of IFSO (International Federation for the Surgery of Obesity); Vice President, Malaysian Upper GI Society; examiner for the MRCS (Royal College of Surgeons of Edinburgh)
Good to know
Speciality
Language Spoken
Awards
- • Dato' (State Title)
- • 1500+ Bariatric Surgery Milestone
Consultant General Surgeon
Gleneagles Hospital Kuala Lumpur
2011 - Present
Head of Upper GI, Metabolic & Bariatric Surgery
2011 - Present
Consultant General Surgeon
2024 - Present
Hospital Affiliations
Gleneagles Hospital Kuala Lumpur
Gleneagles Hospital Kuala Lumpur is one of the top-rated, multi-specialty private hospitals in Kuala Lumpur, Malaysia. As well as being part of the IHH Healthcare network – which is one of the largest healthcare providers in Asia – this hospital was established in 1996 as a Tertiary Care Facility with more than 370 beds and over 40 different specialties and over 200 Specialist Doctors. With an annual volume of approximately 300,000 patients, Gleneagles Hospital Kuala Lumpur has held Joint Commission International (JCI) accreditation since 2010 and Malaysian Society for Quality in Health (MSQH) certification. These accreditations are in addition to meeting some of the strictest global standards for both patient safety and quality. ### Medical Specialties At Gleneagles Hospital Kuala Lumpur you will find the majority of all specialties available at a Private Hospital including Cardiology, Oncology, Neurology, Orthopedics, Gastroenterology, Women's & Children's Health, etc. In addition to its many specialty clinics Gleneagles Hospital Kuala Lumpur also includes advanced Diagnostic Imaging facilities; Robotic-Assisted Surgery; and several Centers of Excellence for Heart, Cancer, Spine and Stroke Care. All of these facilities provide an opportunity for our multidisciplinary teams to work together to provide the most current treatments using today's evidence based clinical practice guidelines and minimal invasive surgical techniques. ### International Patient Services Our International Patient Center provides complete assistance throughout your stay in Malaysia, including: • Treatment plans developed by specialists working on a multidisciplinary team • Support services include multilingual staff members who can assist you during your visit. • We offer help with arranging travel; finding accommodations; and helping you plan aftercare when you return home. ### Patient Experience We have developed a number of programs designed to ensure that your stay at Gleneagles Hospital Kuala Lumpur is a positive one. We have invested heavily in providing excellent Clinical Infrastructure and developing Coordinated Care Pathways that help streamline the entire process of receiving care. Additionally we continually look for ways to improve the quality of service that we provide and strive to meet each and every expectation for a comfortable and successful outcome that you may have.
Learn MorePerformed by Prof. Dr. Nik Ritza Kosai
Obesity/Bariatric Surgery
Bariatric surgery abroad covers gastric sleeve, gastric bypass, mini gastric bypass, gastric balloon, and revisional weight loss procedures performed by experienced bariatric surgeons. These life-changing operations are not limited to weight reduction alone, they resolve obesity-related conditions like type 2 diabetes, hypertension, and sleep apnea. The cost factor drives most patients toward bariatric surgery abroad. A gastric sleeve that costs $18,000 to $30,000 at home may be available for $4,000 to $8,000 abroad at equally accredited hospitals with board-certified bariatric surgeons and comprehensive pre- and post-operative programs. Leading international bariatric centers offer shorter waiting times, comprehensive nutritional and psychological evaluation, and dedicated aftercare support. Patients consistently report more structured preparation, individualized surgical planning, and thorough follow-up care than they received at home. The surgeon's bariatric certification and the program's aftercare structure are the most important factors to consider. Always confirm the program includes a dietitian, psychologist, and long-term follow-up plan for clarity with plan. Dietary compliance, supplementation adherence, and lifestyle changes after surgery are what ultimately determine long-term success.
General Surgery
General surgery abroad covers hernia repair, cholecystectomy, appendectomy, thyroidectomy, colorectal surgery, and abdominal procedures using minimally invasive laparoscopic and robotic techniques. These procedures address common surgical conditions with high precision, minimal scarring, and rapid recovery. General surgical costs vary greatly between countries. A [laparoscopic](https://curemeabroad.com/treatments/laparoscopic-surgery) cholecystectomy that costs $15,000 to $25,000 at home may be available for $2,000 to $5,000 abroad at equally accredited hospitals with board-certified general surgeons performing high-volume, low-complication procedures. [Leading international surgical centers](https://curemeabroad.com/) offer shorter waiting times, advanced laparoscopic and robotic capabilities, and streamlined pre-operative and post-operative care. Patients consistently report receiving more attentive surgical planning and recovery support than they experienced at home. The surgeon's laparoscopic experience and the hospital's accreditation are the most important factors. Confirm the surgeon's annual procedure volume and complication rates. Following postoperative wound care instructions, activity restrictions, and dietary guidelines directly influences recovery speed and long-term outcomes.
Laparoscopic Surgery
Laparoscopic surgery abroad covers minimally invasive keyhole procedures for abdominal and pelvic conditions including cholecystectomy, hernia repair, appendectomy, bariatric surgery, and gynecologic operations. Small incisions, a high-definition camera, and precision instruments replace large open cuts, resulting in less pain and faster recovery. Laparoscopic surgical costs differ substantially between countries. A [laparoscopic procedure](https://curemeabroad.com/treatments/fertility-treatment/laparoscopic-hysteroscopy-and-sonohysterography) that costs $15,000 to $30,000 at home may be available for $2,500 to $7,000 abroad at equally accredited hospitals with experienced laparoscopic surgeons performing high-volume, low-complication procedures. [Leading international laparoscopic centers](https://curemeabroad.com/) offer shorter waiting times, single-incision surgical options, and structured same-day or next-day discharge protocols. Patients consistently report receiving more streamlined, efficient surgical experiences than they found at home. The surgeon's laparoscopic case volume and the hospital's minimally invasive surgical accreditation are the most critical factors. Confirm the surgeon regularly performs your specific [laparoscopic](https://curemeabroad.com/treatments/laparoscopic-surgery/laparoscopic-hiatal-hernia-repair-procedure) procedure. Following postoperative wound care, activity limitations, and dietary instructions directly influences healing and outcomes.
Weight Loss Program
Medical weight loss programs abroad offer medically supervised, evidence-based weight management combining nutritional therapy, GLP-1 pharmacotherapy, behavioral coaching, exercise medicine, and body composition monitoring. Programs are designed for sustainable, healthy weight loss — not short-term dieting — and address the metabolic and psychological drivers of obesity. Comprehensive medical weight loss care is expensive and fragmented in many countries. A medically supervised weight loss program that costs $8,000 to $20,000 at home may be available for $2,000 to $6,000 abroad at equally qualified medical wellness centers with physicians, dietitians, and behavioral coaches. Leading international medical [weight loss](https://curemeabroad.com/treatments/obesity-bariatric-surgery/weight-loss-medications) centers offer thorough metabolic and hormonal assessment, personalized nutrition and pharmacotherapy plans, and structured exercise programs with ongoing monitoring. Patients consistently report more individualized, science-based weight management than they found through commercial slimming programs at home. The physician's expertise in metabolic medicine and the program's long-term support structure are the most important factors. Confirm the program includes a clinical dietitian and behavioral health support. Sustained lifestyle changes in eating habits, physical activity, sleep quality, and stress management are the essential foundation for maintaining weight loss results long-term.
Cancer Treatment
Cancer treatment abroad gives patients an access to world-class oncology centers offering chemotherapy, immunotherapy, targeted therapy, radiation, and surgical oncology. Multidisciplinary tumor boards of oncologists, surgeons, and radiologists collaborate to design personalized treatment plans. Oncology care costs can be financially devastating in many countries. Advanced cancer treatments that cost $80,000 to $200,000 at home may be available for $15,000 to $50,000 abroad at JCI-accredited hospitals with equally qualified oncologists and the latest treatment technologies. International cancer centers provide comprehensive care including PET-CT imaging, genomic tumor profiling, and access to clinical trials not available locally. Dedicated oncology case managers guide patients through every step of their treatment journey. The oncologist's experience and the hospital's technology are the most important factors to consider to ensure authenticity. Always confirm your treating team includes board-certified oncologists and that the facility is accredited by a recognized international body. Adherence to your full treatment protocol, nutritional support, and psychological well-being during treatment all significantly influence outcomes.
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Prof. Dr. Nik Ritza Kosai
Nik Ritza Kosai has been practicing medicine since 2005, giving them over 20 years of clinical experience. They currently serve as Bariatric & Upper GI Surgeon and have built a focused career in bariatric & upper gi surgeon, gleneagles hospital.
Prof. Dr. Nik Ritza Kosai
You can request a consultation with Nik Ritza Kosai through CureMeAbroad by submitting your details. Video consultations are available for international patients before travel through CureMeAbroad.
Prof. Dr. Nik Ritza Kosai
Bariatric surgery with Nik Ritza Kosai typically costs 50-70% less than equivalent procedures in the US or UK. The final price depends on the procedure type (sleeve, bypass, or mini bypass), length of hospital stay, and pre-surgical workup. CureMeAbroad can provide a detailed quote after reviewing your medical profile.
How many years of experience does Nik Ritza Kosai have?
Prof. Dr. Nik Ritza Kosai
Nik Ritza Kosai has been practicing medicine since 2005, giving them over 20 years of clinical experience. They currently serve as Bariatric & Upper GI Surgeon and have built a focused career in bariatric & upper gi surgeon, gleneagles hospital.
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