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Professor Daniel Leff

MBBS FRCS MS (Hons) PhD

General Surgeon

25 years of experience

London, W1G 6AA

(+5 more)

9 connections in healthcare

Skill endorsed

by Mr Yazan Masannat

-

/5

(0 reviews)

25 years of experience

London, W1G 6AA

(+5 more)

9 connections in healthcare

Skill endorsed

by Mr Yazan Masannat

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About Professor 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

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Subspecialties

  • Breast Surgery

Areas of expertise

Click the bar to read reviews or skill endorsements

Breast Cancer
Breast Lump
1
Breast Surgery
Breast Reconstruction
Mastectomy
Breast Lump Excision
Breast Consultation
Video Consultation
1
Women's Health
Breast Pain Management
Sentinel Lymph Node Biopsy
Benign Breast Disease
1
Risk-Reducing Surgery
Nipple Surgery
Mammoplasty
Excision of Sebaceous Cysts
De-escalation of Breast and Axillary Surgery
Breast Implants
Breast Implant Exchange
Therapeutic Mammoplasty
Rapid Diagnostics
Oncoplastic Surgery
Nipple Reconstruction
Implant Reconstruction
Excision of Lymph Nodes
Chest Wall Perforator Flap Surgery
Breast Implant Removal
Breast Diagnostics
Acellular Dermal Matrix
Mastalgia (Breast Pain)
Perforated flap
Ductal Carcinoma In Situ (DCIS)
Oncoplastic Breast Surgery
Fat Transfer to Breasts
Malignant Breast Disease
Capsular Contracture
Excision of Benign Lesions
BRCA
Breast Implant Problems
Mastitis
Axillary Clearance
Abscess Incision and Drainage

Registered with

General Medical Council

No. 4733638


Education

University of London

Medicine

Graduated 2000


Qualifications

  • FRCS (General Surgery) - Royal College of Surgeons 2012
  • PhD - Imperial College London 2009
  • Master of Oncoplastic Breast Surgery - University of East Anglia 2015

Languages spoken

  • English

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Location

All locations for Professor Daniel Leff

King Edward VII's Hospital

4.84

(4938)

5-10 Beaumont St, London, United Kingdom, W1G 6AA

4.74

(3191)

35 Weymouth Street, London, United Kingdom, W1G 8BJ

4.87

(877)

Heathbourne Road, Bushey, United Kingdom, WD23 1RD

4.65

(761)

Floor 15, Thames View, Fulham Palace Road, London, United Kingdom, W6 8RF

4.92

(106)

27-29 Harley Street, London, United Kingdom, W1G 9QP

0

(0)

66 Harley Street Investigations, London, United Kingdom, W1G 7HD

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Endorsements

Excellent colleague

19 Feb 2026
Endorsed for
Video Consultation
Breast Surgery
Breast Lump

Mr Yazan Masannat

Mr Yazan Masannat

Breast Surgeon
We trained together