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Dr Ang Chia Liang

Orthopaedic Surgeon, Singapore

Dr Ang has more than 17 years of Orthopaedic experience. He has performed more than 6000 orthopaedic surgeries and more than 1500 knee surgeries. He has particular expertise in Knee, Hip, and Shoulder conditions and he sub-specialises in Minimally Invasive treatment of joint conditions, joint replacements, and fractures.

Dr Ang treats his patients using a variety of non-surgical and surgical methods. His philosophy emphasizes individualising each Patient's treatment method in order to achieve the best recovery outcomes and to meet the Patient's expectations.


He is an expert in Key-Hole (Arthroscopic) surgeries of the Knee, Hip, Shoulder and Ankle. He has performed complex knee and hip joint replacements for patients up to 90 years old.

Besides clinical work, Dr Ang frequently conducts workshops for General Practitioners, and gives public and corporate talks. He also frequently hosts regional doctors on learning trips to Singapore. 

Dr Ang graduated from the National University of Singapore. He has worked at The Royal Orthopaedic Hospital in UK and was a Fellow of the American Orthopaedic Association. He has published widely and has authored numerous chapters on Knee Replacements and Knee Arthroscopy. 

Dr Ang was a National Junior Squash player and has represented Singapore in competitions in India and Hong Kong.


  • MBBS - Bachelor of Medicine & Bachelor of Surgery, National University of Singapore

  • MRCS (Ed) - Member of The Royal College of Surgeons of Edinburgh, Scotland, United Kingdom

  • ECFMG - Educational Commission for Foreign Medical Graduates certified, United States of America

  • MMed (Ortho) - Master of Medicine (Orthopaedic Surgery), National University of Singapore

  • FRCSEd (Ortho) - Fellow of The Royal College of Surgeons of Edinburgh, Orthopaedics and Traumatology, Scotland, United Kingdom

Professional Appointments

  • Senior Consultant, Centurion Orthopaedic Centre

  • Member, Singapore Medical Association

  • Member, Singapore Orthopaedic Association

  • Fellow, Royal College of Surgeons (Edinburgh)

  • Fellow, American College of Surgeons

  • Member, Asia Pacific Orthopaedic Association Knee & Hip Section

  • Member, British Orthopaedic Oncology Society

  • Fellow, The Royal Orthopaedic Hospital NHS Trust, Birmingham, United Kingdom

  • Fellow, American Orthopaedic Association-ASEAN Fellowship

  • Lecturer, Nanyang Polytechnic Advanced Diploma in Nursing Course

  • Clinical Tutor, National University of Singapore Yong Loo Lin School of Medicine

Latest 10 Publications

1.    Lim JB, Ang CL, Pang HN. Acetabular prosthetic protrusio after bipolar hemi-arthroplasty of the hip: case report and review of the literature. J Orthop Case Rep 2016;6(3):28-31.

2.    Zhu M, Ang CL, Yeo SJ, Lo NN, Chia SL, Chong HC. Minimally invasive computer-assisted total knee arthroplasty compared with conventional total knee arthroplasty: A prospective 9-year follow-up. J Arthroplasty 2016;31(5):1000-4.

3.    Ho SWL, Ang CL, Ding CSL, Barkham T, Teoh LC. Necrotizing fasciitis caused by Cryptococcus gattii. Am J Orthopaedics 2015;44(12):E517-22.

4.    Ang CL, Yeo SJ. Quality of cementation in conventional versus minimally invasive total knee arthroplasty. J Orthop Surg (Hong Kong) 2016;24(1):7-11.

5.    Teo EY, Ang CL, Sathappan SS. A variant of patellar clunk syndrome after bilateral total knee arthroplasty: clinical manifestations and arthroscopic images. Orthop Surg 2014;6(4):326-8. Doi: 10.1111/os.12142.

6.    Ang CL, Foo LS. Multiple locations of nerve compression: an unusual cause of persistent lower limb paresthesia. J Foot Ankle Surg 2014. doi:10.1053/j.jfas.2014.06.013.

7.    Ang CL, Fook S, Chia SL, Chin PL, Lo NN, Yeo SJ. Unconstrained arthroplasty in type II valgus knees: posterior stabilized or cruciate retaining? Knee Surg Sports Traumatol Arthrosc 2014;22:666-73. doi: 10.1007/s00167-013-2677-7.

8.    Ang CL, Phak-Boon Tow B, Fook S, Guo CM, Chen JL, Yue WM, Tan SB. Minimally invasive compared with open lumbar laminotomy: no functional benefits at 6 or 24 months after surgery. Spine J 2013. doi: 10.1016/j.spinee.2013.07.461.

9.    Ang CL, Lim YJ. Recurrent admissions for diabetic foot complications. Malaysian Orthopaedic Journal 2013;7(3):21-6.

10.  Ang CL, Foo LS, Sun S, Kesavan S. Positive ProbeTecTM tests in fresh specimens from malignant musculoskeletal tumours: a case series. Orthopaedic Surgery 2013;5(1):29-32. doi: 10.1111/os.12014.

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