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Dr Navin Mann — Bariatric Surgeon in Kuala Lumpur, Malaysia

Consultant Bariatric, Metabolic & General Surgeon

Dr. Navin Mann

Bariatric & Metabolic Surgeon

Dr Navin Mann is a Consultant Bariatric, Metabolic, Laparoscopic and General Surgeon based in Kuala Lumpur, Malaysia. He is registered with the National Specialist Register (NSR) Malaysia and performs bariatric and general surgical procedures at licensed private hospitals across the Klang Valley. His practice focuses on weight loss surgery — including gastric sleeve, gastric bypass, and revisional bariatric surgery — for patients with obesity and obesity-related conditions such as type 2 diabetes, hypertension, and obstructive sleep apnoea.

At a glance

  
NameDr Harnavindeep Singh Mann
TitleConsultant Bariatric, Metabolic & General Surgeon
Based inKuala Lumpur, Malaysia
RegistrationNational Specialist Register (NSR), Malaysia
CertificationLCP Certification, Ministry of Health Malaysia
EducationMBBS, University of Malaya (UM); Master of Surgery (MSurg), National University of Malaysia (UKM)
Professional bodiesIFSO (International Federation for the Surgery of Obesity and Metabolic Disorders); ASMBS (American Society for Metabolic and Bariatric Surgery)
Core proceduresSleeve gastrectomy, gastric bypass, mini gastric bypass, revisional bariatric surgery
Also treatsHernia, gallbladder disease, thyroid conditions, hemorrhoids, GI cancers, breast lumps

Who Is Dr Navin Mann?

Dr Navin Mann is a bariatric surgeon in Kuala Lumpur with a practice built around minimally invasive (laparoscopic) surgery and obesity treatment. He is a Consultant Bariatric, Metabolic & General Surgeon, meaning his clinical work spans both weight loss surgery and broader general surgical care.

His practice centres on helping patients manage obesity, metabolic disease, gastrointestinal disorders, thyroid conditions, and breast conditions using evidence-based treatment approaches, rather than surgery alone. Dr Navin Mann provides specialist surgical care for patients from Kuala Lumpur and across Malaysia, and is actively involved in both bariatric and general surgery.

Bariatric & Metabolic Surgery
As a bariatric surgeon serving Kuala Lumpur and Malaysia-wide patients, Dr Navin Mann performs procedures designed to support significant, sustainable weight loss in patients with obesity:
Gastric Sleeve Surgery (Sleeve Gastrectomy)
Gastric Bypass Surgery
Mini Gastric Bypass Surgery
Revisional Bariatric Surgery
Metabolic conditions treated: obesity, morbid obesity, type 2 diabetes, metabolic syndrome, hypertension, and obstructive sleep apnoea.
General & Laparoscopic Surgery
Dr Navin Mann performs minimally invasive laparoscopic surgery whenever clinically appropriate, to reduce postoperative discomfort and shorten recovery time. This includes:
Hernia Surgery
Gallbladder Surgery
Appendicectomy
Diagnostic Laparoscopy
Thyroid Surgery (Thyroidectomy)
Thyroidectomy may be recommended for thyroid nodules, an enlarged thyroid (goitre), hyperthyroidism, thyroid cancer, or suspicious thyroid growths. Dr Navin Mann performs thyroid surgery following detailed clinical assessment and diagnostic evaluation.
Hemorrhoid Surgery
Hemorrhoids (piles) can cause rectal bleeding, pain, swelling, itching, and prolapse. Treatment ranges from conservative management to surgical intervention, depending on severity.
Gastrointestinal (GI) Cancer Surgery
Dr Navin Mann is involved in the surgical management of gastrointestinal cancers affecting the stomach, colon, rectum, small intestine, and broader GI tract. Treatment planning is individualized based on cancer stage, patient condition, and multidisciplinary recommendations.
Breast Surgery & Breast Conditions
Dr Navin Mann evaluates and manages breast lumps, benign breast conditions, breast cysts, breast infections, and breast cancer, with diagnostic assessment, biopsy, surgical treatment, and multidisciplinary care where appropriate.
Obesity & Weight Management
Severe obesity
Morbid obesity
Weight regain after bariatric surgery
Metabolic Disorders
Metabolic syndrome
Type 2 diabetes
Hypertension
Fatty liver disease
Sleep apnoea
General Surgical Conditions
Hernia
Gallstones
Thyroid disorders
Hemorrhoids
Breast lumps
GI cancers
Bachelor of Medicine and Surgery (MBBS), Royal College of Medicine, Perak (in collaboration with University Malaya) (2005)
Masters of Surgery, Universiti Kebangsaan Malaysia (UKM) (2021)
Fellowship in Bariatric & Metabolic Surgery, LOC Healthcare, Pune, India (2023)
Fellowship in Advanced Laparoscopy Surgery, LOC Healthcare, Pune, India (2023)
Fellowship in Bariatric & Metabolic Surgery, Chulalongkorn University, Bangkok, Thailand (2025)
Postgraduate Diploma in Laparoscopic General Surgery, University of Strasbourg, France (2024)
Certification of Training in Minimal Access Surgery, IRCAD/University of Strasbourg, France (2024)
Certification in Integrated Care for Obesity (CICO), Obesity & Metabolic Surgery Society of India (OSSI) endorsed by IFSO (2024)
National Specialist Register (NSR), Malaysia
LCP Certification, Ministry of Health Malaysia
Advanced Laparoscopy & Bariatric Surgery Workshop, AIAARO, Laparo Obeso Centre, Pune, India (22nd - 23rd July 2023)
XXVI IFSO World Congress, Napoli, Italy (30th August - 1st September 2023)
Laparoscopic Cholecystectomy Workshop, Hospital Selayang (11th - 12th May 2023)
Facilitator for Basic Laparoscopic Workshop, Hospital Raja Permaisuri Bainun (HRPB), Ipoh (10th March 2023)
Biennial Congress of Society of Endoscopic & Laparoscopic Surgeons of Malaysia 2022, Pre-Congress Workshop on Laparoscopic Hernia Repair (28th July 2022)
6th Minimally Invasive Gynaecology & Surgical Laparoscopic Workshop (1st October 2022)
Laparoscopic Trans-Abdominal Pre-Peritoneal Inguinal Hernia Repair (TAPP) Workshop, Hospital Slim River (7th September 2022)
Speaker on Minimally Invasive Surgery, Pain Free Hospital Course, Hospital Teluk Intan (22nd August 2022)
Congress Society of Endoscopic & Laparoscopic Surgery of Malaysia (29th - 30th July 2022)
Hong Kong Surgical Forum (7th January 2022)
Chronic Intestinal Failure & Home Parental Nutrition (HPN), ESPEN (27th November 2021)
35th Annual Meeting of Society of Colon & Rectal Surgeons, Taiwan (25th - 28th November 2021)
12th Congress of Asian Society of Stoma Rehabilitation (25th - 28th November 2021)
ASEAN Society of Colorectal Surgeons 2020 (30th September - 3rd October 2020)
PENSMA Credentialing Clinical Nutrition Therapy Course (2nd July - 3rd September 2020)
Sabah Laparoscopic Cholecystectomy Workshop, Hospital Queen Elizabeth, Sabah (14th - 15th October 2019)
Upper Arm Venous Port Implantation Training (1st December 2021)
A Case of Pre-Rectal Bleed, Combined with Rectal Mass in a Toddler, Poster Presentation in College of Surgeons Conference (2013)
The Incidence of Malignancy in Multi-Nodular Goitre: A Retrospective Analysis, Poster Presentation in College of Surgeons Conference (2014)
Desmoid Fibromatosis of the Breast, Poster Presented in CSAMM 2015, and Asia Pacific Breast Cancer Summit 2016
The Role of Neutrophil Lymphocyte Ratio Platelet Lymphocyte Ratio in Prognostication of Breast Cancer, A Validation Study. Retrospective, Multi-Centre Study Conducted in Hospital Raja Permaisuri Bainun, Hospital Putrajaya, Hospital Sultan Ismail, and Hospital Canselor Tuanku Muhriz UKM, Poster Presented in CSAMM 2019
Choledocho-Duodenal Fistula Complicated with Liver Abscess Post Cholecystectomy, The Dangerous Tunnel, Poster Presented in CSAMM 2023
Glycogen Rich Clear Cell Carcinoma of Breast: Is the Patient on Icy Ground? Poster Presented in CSAMM 2023
SMA Thrombosis: Is It a Death Penalty? Poster Presented CSAMM 2023
International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO)
American Society for Metabolic and Bariatric Surgery (ASMBS)
Malaysia Society for Metabolic and Bariatric Society
Active Member of Malaysian Medical Association
Dr Navin Mann's approach to bariatric and general surgery is built on the view that successful treatment extends beyond the operation itself. His care model includes:
Comprehensive clinical assessment
Risk evaluation
Personalized treatment planning
Nutritional guidance
Lifestyle modification
Long-term follow-up
Every treatment recommendation is tailored to the patient's medical condition, goals, and overall health status.
Patients in Kuala Lumpur and across Malaysia consult Dr Navin Mann for:
Bariatric surgery in Kuala Lumpur and Malaysia
Gastric sleeve surgery
Gastric bypass surgery
Revisional bariatric surgery
Obesity and metabolic treatment
Hernia surgery
Gallbladder surgery
Thyroidectomy
Hemorrhoid surgery
GI cancer surgery
Breast lump assessment
Who is Dr Navin Mann?
Dr Navin Mann is a Consultant Bariatric, Metabolic & General Surgeon based in Kuala Lumpur, Malaysia. He is registered with the National Specialist Register (NSR) Malaysia and performs bariatric and general surgical procedures at licensed private hospitals in Malaysia.
Is Dr Navin Mann a bariatric surgeon in Kuala Lumpur?
Yes. Dr Navin Mann practises as a bariatric surgeon in Kuala Lumpur, performing gastric sleeve surgery, gastric bypass surgery, revisional bariatric surgery, and metabolic surgery at licensed hospitals in the city.
Does Dr Navin Mann treat patients from outside Kuala Lumpur?
Yes. While based in Kuala Lumpur, Dr Navin Mann provides bariatric and general surgical care to patients travelling from across Malaysia.
Does Dr Navin Mann perform laparoscopic (keyhole) surgery?
Yes. Many of his procedures, including bariatric, hernia, and gallbladder surgery, are performed using minimally invasive laparoscopic techniques when clinically appropriate.
Can Dr Navin Mann treat type 2 diabetes through surgery?
For selected patients with obesity and type 2 diabetes, metabolic surgery performed by Dr Navin Mann may help improve blood sugar control and support diabetes remission.
Does Dr Navin Mann perform thyroid surgery?
Yes. He manages thyroid disorders and performs thyroidectomy for conditions such as thyroid nodules, goitre, hyperthyroidism, and thyroid cancer.
Does Dr Navin Mann manage breast lumps and GI cancers?
Yes. His scope of practice includes breast conditions and breast lumps, as well as gastrointestinal conditions and GI cancer surgery.
What are Dr Navin Mann's qualifications?
Dr Navin Mann holds an MBBS, a Master of Surgery from UKM, and multiple international fellowships and postgraduate diplomas in bariatric and laparoscopic surgery, is registered with Malaysia's National Specialist Register, and is a member of IFSO, ASMBS, and other professional bodies.