St George Private Hospital
Part of Ramsay Health Care

St George Private Hospital specialist Daniel Cohen

Dr Daniel Cohen

MSc., M.B.B.S, FRACS, FAorthA

Dr. Daniel Cohen is an Australian trained orthopaedic surgeon with interests in hip, knee and trauma who believes in a patient centered, personalized approach drawing on both traditional and innovative surgical techniques.

Dr. Cohen graduated from Sydney University Medical School in 2010 and was subsequently offered a position on the NSW Orthopaedic Training Program. He completed the Royal Australasian College of Surgeons Orthopaedic Training Program in 2020.  Dr. Cohen then undertook postgraduate training both locally and internationally. This included a fellowship in hip and knee replacement at the prestigious St. Michael’s Hospital, University of Toronto Canada.  This subspecialty training enabled him to further refine his skills in highly complex hip and knee replacement procedures. He is fellowship trained in multiple approaches to hip replacement including the minimally invasive anterior approach and the direct superior approach. 


Dr. Cohen has also completed a robotic hip and knee joint replacement fellowship where he learned about patient specific planning and component placement based on individual patient anatomy.


Beyond his clinical work, Dr. Cohen has a strong interest in research and has previously completed a research based Masters of Science in Physiology.  He has numerous publications in peer reviewed medical journals also presenting his research nationally and internationally.  His research interests include alignment and balancing in knee replacement, day surgery joint replacement and recently the timing of surgery during the COVID-19 pandemic. Dr Cohen has also been involved in quality improvement projects aimed at advancing post-operative patient care to better support recovery and pain management. A select list of his publications are available below. 


Dr. Cohen is currently appointed at St. George Public, the Sutherland Hospital and Grafton Base Hospital as well as St. George Private and Kareena Private Hospital.


Professional Memberships:


  • Fellow Royal Australasian College of Surgeons
  • Fellow Australian Orthopaedic Association
  • Australian Orthopaedic Trauma Society
  • Canadian Arthroplasty Society


Recent Publications:

  • Treatment of Geriatric Acetabular Fractures- A concise review of the literature. Orthopaedic Clinics of North America 2021. 
  • Sensor-guided knee balancing in posterior-stabilized total knee arthroplasty.  A surgical description and report of medium-term patient outcomes. Techniques in Orthopaedics 2021.  
  • Pseudoaneurysm of the medial plantar artery following low-energy closed calcaneal fracture.  ANZ Journal of Surgery  2021.  doi: 10.1111/ans.16592 
  • SARS-CoV-2 vaccination modelling for safe surgery to save lives: data from an international prospective cohort study. COVID Surg Collaborative* and Global Surg Collaborative* British Journal of Surgery DOI: 10.1093/bjs/znab101 
  • Timing of surgery following SARS-CoV-2 infection: an international prospective cohort study. COVID Surg Collaborative* and Global Surg Collaborative* Anaesthesia 2021 DOI:10.1111/anae.15458 
  • Does Use of Intraoperative Pressure Sensors for Knee Balancing in Total Knee Arthroplasty Improve Clinical Outcomes? A Comparative Study with a Minimum Two- Year Follow-up. Journal of Arthroplasty August 2020. § 
  • How coronal alignment affects distal femoral anatomy: An MRI-based comparison of varus and valgus knees. Journal of Orthopaedic Surgery and Research March 2019. 14: Article 92 (2019).


Hip, Knee and Trauma