Mr Alexander Leeper

Mr Alexander Leeper

Consultant Oncoplastic Breast Surgeon

Breast CancerBenign Breast DiseaseMastalgia

About Alexander Leeper

Mr Alexander (Sandy) Leeper is a consultant oncoplastic and reconstructive breast surgeon at James Paget University Hospitals (JPUH), specialising in both benign and cancerous breast diseases. He has a particular interest in identification and risk reduction strategies for patients with a family history of breast cancer. He employs advanced oncoplastic techniques such as therapeutic mammoplasty, chest wall perforator flaps and implant based reconstruction methods. Skilled in breast reconstruction and cosmetic outcomes, Mr. Leeper provides tailored, evidence-based care to ensure optimal results for his patients.

Sandy was appointed a Consultant Oncoplastic Surgeon in 2021 after completing the prestigious TIG fellowship in London, and he holds an MD from the University of Edinburgh focused on 3D breast cancer models. He is the principal clinical investigator for the BEAM study, investigating the gut microbiome's role in breast cancer development, supported by a £250,000 grant from Breast Cancer Now. His roles also include clinical leadership in implementing electronic health records and contributions to healthcare education and innovation, particularly in low and middle-income countries.

Expertise

  • Breast Cancer
  • Benign Breast Disease
  • Mastalgia
  • Breast Screening
  • Future Breast Cancer Risk Assessment
  • Family Breast Cancer Risk Assessment
  • Rapid Diagnostic Assessment
  • Breast Cancer Diagnosis
  • Benign Breast Disease Management
  • Diagnostic Biopsy
  • Lumpectomy
  • Wide Local Excision
  • Mastectomy
  • Implant Based Reconstruction
  • Partial Breast Reconstruction
  • Chest Wall Perforator Flaps
  • Therapeutic and Symmetrising Mammoplasty
  • Lipomodelling
  • Sentinel Node Biopsy
  • Targeted Axillary Dissection
  • and Axillary Node Clearance

Overview

Age of patients seen
18+
Languages spoken
English
Online profiles

Consultations and services

  • Self-pay available from £200
  • Health insurance
  • Self-pay available from £150
  • Health insurance

Insurers covered

  • Aviva
  • AXA Health
  • Vitality Health
  • WPA
  • +1 more

Locations

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London

1 Welbeck Street
Marylebone
London
W1G 0AR

More information

Frequently asked questions

Yes, but only for certain services. Some consultations, assessments, and treatments can be booked directly, while others require a GP or specialist referral. Please check the relevant service page for guidance, and contact the centre if you’re unsure.


We aim to offer appointments as quickly as possible, and many services have same-day or next-day availability. Waiting times vary depending on the appointment type, specialty, and consultant availability, but our team will always offer the earliest suitable appointment.


Yes. You can arrange an appointment for a family member, or someone you care for, just let us know when you get in touch. We’ll need their details and consent to complete the booking, unless you're their legal guardian or have power of attorney.  


Your first consultation includes a detailed discussion of your symptoms, medical history, and lifestyle factors, followed by a thorough examination. It’s helpful if you can bring the results of any previous investigations with you, as well as a list of your current medications. Come with a comfortably full bladder so you can provide a urine sample if requested.


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