Mr Ashwin Unnithan

MBBS, MRCS, FRCS (Tr & Orth), MSc


Mr Unnithan is a Consultant Orthopaedic surgeon specialising in hip and knee surgery, including revision surgery and complex trauma surgery.

On completion of his undergraduate studies he completed his basic surgical training in Surrey and Sussex before undertaking a Masters in Musculoskeletal science at University College London and the Royal National Orthopaedic Hospital. He completed his higher surgical training on the South-West London rotation during which time he spent a year doing a trauma fellowship in New Zealand.

He has undertaken further sub-specialty training with prestigious fellowships at the Bristol Hip Unit and the Royal National Orthopaedic Hospital. He has published a number of papers in peer-reviewed journals and presented at international meetings in Europe and the US. He was awarded first prize for his presentation at the British Trauma Society meeting in 2014


  • Saturday AM - Guildford
  • Friday evening - Woking


Current posts

  • Consultant Orthopaedic Surgeon
  • Ashford & St Peter’s NHS Trust


Total hip replacement including young total hip replacement, revision hip replacement, total knee replacement, unicompartmental knee replacement, osteotomy, knee arthroscopy and meniscal repair. Upper and lower limb trauma including complex peri-prosthetic fractures.

Personal interests

Implant design, peri-prosthetic fractures, treatment of infected hip and knee replacements, stem cell transfer in the treatment of Osteoarthritis.

Member of

  • Royal College of Surgeons
  • British Orthopaedic Association
  • American Academy of Orthopaedic Surgeons


Mr Ashwin Unnithan works with the following private medical insurance providers:
  • Aviva Health
  • AXA PPP Healthcare
  • AXA PPP International
  • Bupa
  • Bupa On Demand
  • Cigna
  • ESMI
  • PHC
  • Vitality Health (Pru Health)
  • Westfield Health WPA

Mr Ashwin Unnithan does not hold a share or financial interest in this hospital, another Nuffield Health hospital or the company.

Mr Ashwin Unnithan does not have a share or financial interest in equipment used at this hospital or another Nuffield Health hospital.

Mr Ashwin Unnithan does not hold any paid advisory role(s) at this hospital or on behalf of Nuffield Health.