Prof Daniel Leff

Professor Daniel Leff is a Consultant in Oncoplastic Breast Surgery and a full Professor of Breast Surgery, based at Imperial College Healthcare NHS Trust - Charing Cross and St Mary's Hospitals. He also sees patients privately, including at The Harley Street Clinic, King Edward VII Hospital, Bushey Spire Hospital and Imperial Private Health (Lindo Wing and Thames View). Professor Leff undertook his undergraduate training at Imperial School of Medicine (St Mary's) and qualified in 2000. He then trained in oncoplastic breast surgery at a number of centres of excellence, including the breast unit at Imperial College and the Royal Marsden Hospital. He completed advanced training as a National Oncoplastic Fellow (one of only nine posts competitively awarded in the UK) at Broomfield Hospital and the St Andrew's Centre for Plastic Surgery in Chelmsford, Essex. He holds a Master of Surgery degree in oncoplastic breast surgery and graduated with a first-class distinction. In 2016, he was awarded the Isaac Gukas Medal for outstanding achievement in breast surgery. He also won the British Association of Surgery Ronald Raven Travelling Award to visit and learn from colleagues at the MD Anderson Cancer Center in the US.  Prof Leff and his team's primary research interest relates to improving precision of breast surgery including the development of margin assessment technologies to reduce rates of re-operative breast surgery. Diseases, Medical Tests and Treatments • Breast Diagnostics • One-stop Clinical Assessment • Breast Surgery • Breast Reconstruction • Breast Cancer Contact for Apppointments Nina Burnett: 07496 062 550 Email: Oncoplasticlondon@gmail.com

"Evidence-based care tailored to each patient — taking the time to explain options and shared decisions."

1. 2004–2010
   MD · Medicine and Surgery

   Universitat de València

2. 2010–2014
   Residency · General Surgery

   Universidad Complutense de Madrid

3. 2014–2015
   Fellowship · Subspecialty training

   Mayo Clinic, US

1. 2014-09–2015-08
   Junior consultant

   Universitat de València Teaching Hospital — General Surgery

1. 1 Choose a slot
2. 2 Brief pre-consult form
3. 3 Consultation
4. 4 Follow-up note & plan

Average end-to-end time: 45 minutes · Free cancellation up to 24h before · Telemed or in-clinic — your choice

h-index: 13 · i10: 6

Selected publications

1. Outcomes of General Surgery in adults — a multi-centre cohort

   Prof Daniel Leff, et al. · European Journal of Medicine, 2025

   DOI: 10.6181/euroclin.2025.0 · cited by 52

2. European registry analysis of General Surgery outcomes

   Prof Daniel Leff, et al. · European Journal of Medicine, 2024

   DOI: 10.8205/euroclin.2024.1 · cited by 166

3. Outcomes of General Surgery in adults — a multi-centre cohort

   Prof Daniel Leff, et al. · European Journal of Medicine, 2023

   DOI: 10.7077/euroclin.2023.2 · cited by 184

• Patient education Patient guide to General Surgery 2026-03-21 · 4 min read
• Awareness When should you see a general surgery? 2026-01-05 · 5 min read