Mr Siddiqui qualified from St Bartholomew’s Medical School in 1999. His general surgical training was in the London region and Specialist Orthopaedic training on the Royal National Orthopaedic Hospital Stanmore rotation.

Further sub-specialty skills and experience in all aspects of Upper Limb Surgery were gained during three specialist surgical fellowships; one year at the world-renowned Brisbane Hand and Upper Limb Unit in Australia and a further year at two leading upper limb specialty units in the UK - Avon Orthopaedic Centre in Bristol and University Hospital Coventry.

He was also awarded the prestigious Watanabe Travelling Fellowship, visiting several centres of surgical excellence around the UK specialising in shoulder and elbow surgery.

Mr Siddiqui has been a consultant at Kingston Hospital since 2013. He has a special interest in arthroscopic (keyhole) surgery for conditions previously treated with open surgery, including elbow arthritis; in addition he has a special interest in hand conditions e.g. severe Dupuytren's contractures, arthritis, and nerve entrapment.

He is a reviewer for, as well as having numerous publications in major orthopaedic journals, and has research interests in tennis/golfer’s elbow, elbow and shoulder replacements and arthroscopy, and hand deformities. He has also chaired international orthopaedic meetings.

He is actively involved in training surgeons and students.