Prof. Ong Kong Wee

Prof. Ong Kong Wee

Prof. Ong Kong Wee - Singapore, specialty: General Surgery and Breast Cancer Specialist.  He was the Founding of the SingHealth Duke - NUS Breast Centre, which is the largest Breast Centre in Singapore. The centre serves its  patients from 3 key SingHealth institutions, namely, National Cancer Centre  Singapore, Singapore General Hospital and KK Women’s and Children’s  Hospital

His main clinical focus is on the diagnosis and management of benign and malignant breast conditions, based upon up-to-date medical evidence and techniques. His clinical interests include minimally invasive breast surgery, vacuum-assisted breast biopsy, sentinel lymph node biopsy, breast conserving surgery and breast reconstruction for breast cancer.


  • Medical Director, Concord International Hospital Singapore

  • Medical Director, K W Ong Breast and General Surgery Singapore

  • Senior Consultant, Singapore General Hospital and National Cancer Centre  Singapore

In 2012, he initiated the technique of Intra-Operative Radiotherapy in the treatment of early breast cancers. Given his expertise in minimally invasive breast biopsies such as vacuum-assisted needle biopsy and hookwire localisation, he has been a Regional Medical Consultant to Becton Dickinson since 2018.

Dr Ong has a keen interest in breast cancer research and has many publications in top journals such as Nature Genetics, Lancet Oncology and Clinical Cancer Research. 

Dr Ong is actively involved in medical education and training. He was Adjunct Assistant Professor at Yong Loo Lin School of Medicine, National University of Singapore, and Duke-NUS Graduate Medical School. He served as Director of Resident and Student Mentorship at the Academic Clinical Program (Surgery) in SingHealth and was a Clinical Physician Faculty for the SingHealth General Surgery Residency Program. He was awarded the Outstanding Faculty Award in 2014. He has also trained many breast surgeons from neighbouring countries, including Philippines, Indonesia and Myanmar. He is frequently invited to lecture at local and international breast cancer conferences, and to conduct surgical workshops in the region.

Patient care is of paramount importance to Dr Ong. His efforts have been acknowledged at the National level, with a Special Mention in Customer Service (Healthcare) category at the Singapore Experience Awards in 2009 and a Silver Award at the Singapore Health Quality Service Awards.


  • Fellow, Royal College of Surgeons, Edinburgh

  • Fellow, Academy of Medicine, Singapore


  • 20 year Long Service Award – Singapore Health Services, 2018

  • Silver Award – Singapore Health Quality Service Award, 2018

  • Singapore Experience Awards: Customer Service – Healthcare Special Mention, 2009

  • Singhealth Human Manpower Development Program Award – Clinical Research and Advanced Surgical Training in Breast Cancer, 2008

  • Singapore General Hospital Oral Papers – Winner (Medicine), 2005

  • Best Houseman Award, Department of Oncology and UrogynaecologyKandangKerbau Women’s and Children’s Hospital, Singapore, 1st Sep 1997 – 31st Dec 1997

  • Nestle Book Prize for Best Student in Paediatrics Clinical Clerkship, National University of Singapore, Final Professional Examination, 1996-7

  • Dean’s List, National University of Singapore, Final Professional Examination, 1996-7

  • Dean’s List, National University of Singapore, Third Professional Examination, 1995-6

  • Dean’s List, National University of Singapore, Second Professional Examination, 1994-5

  • Academy of Medicine Bronze Medal, National University of Singapore, First Professional Examination, 1993-4

  • Beecham Book Prize (Anatomy), National University of Singapore, First Professional Examination, 1993-4

Our Specialists

Assoc. Prof. Huynh Kim Phuong
Cardiology & Internal Medicine & Health Check-up Specialist
Dr. Truong Thi Khuong
Internal Medicine
Dr. Nguyen Kim Hoa
Obtetrics & Gynaelocogy
Dr. Le Thuy Hoa
Obstetrics & Gynaecology
Dr. Nguyen Anh Loan
Obtetrics & Gynaelocogy
Dr. Dang Thi My Lien