Accepting new patients
Doç. Dr.
Dr Mary Lei
Oncology
- 🇬🇧
- GP consultation
- Annual physical exam
- Vaccination administration
- Minor procedure (skin)
About Dr Mary Lei
Dr Mary Lei undertook her undergraduate medical training at King's College London School of Medicine and Dentistry and completed specialist training in clinical oncology at Imperial College Healthcare and Guy's and St Thomas' NHS Foundation Trusts. Dr Lei spent two years as a research fellow in the Royal Surrey County Hospital and the University of Surrey. Her research focused on image-guided intensity-modulated radiotherapy (IMRT) in head and neck cancer and culminated in the award of a Medical Doctorate (MD) postgraduate degree. She was then appointed to a one year charity funded IMRT fellowship in head and neck cancer at Guy's and St Thomas' NHS Foundation Trust. During her training, Dr Lei was the Chair of the Oncology Trainee Forum, representing the interests of clinical oncology trainees across the UK at the Royal College of Radiologists. She continues to be active in developing clinical oncology training in addition to roles as an educational and clinical supervisor. Dr Lei has been a consultant clinical oncologist specialising in the treatment of head and neck and thyroid tumours at Guy's and St Thomas' NHS Foundation Trust since 2011. Currently, she is the lead for the clinical oncology radiotherapy research and development (R&D) group and also leads to research and development for the network thyroid cancer team. Her research interests include novel therapies and predictive biomarkers in head and neck cancer. She is collaborating with colleagues in King's Health Partners on her work in this area. Diseases, Medical Tests and Treatments • Radiotherapy • Head • Neck • Thyroid • Neuroendocrine tumours
"Evidence-based care tailored to each patient — taking the time to explain options and shared decisions."
Credentials & verification
Medical license
Organización Médica Colegial de España (OMC) · GB
#GB-902022
Valid until 2028-12-31
Verify with issuerBoard certification
European Board of Oncology
#EB-E471CC9A
Renewal due 2025
Verify with issuerMalpractice cover
AmTrust Europe
4,000,000 EUR
Valid until 2026-12-31
No claims on file
Education & training
-
2004–2010
MD · Medicine and Surgery
Universidad Complutense de Madrid (GB)
-
2010–2014
Residency · Oncology
Universidad de Sevilla (GB)
-
2014–2015
Fellowship · Subspecialty training
Royal Marsden London, UK
Career & appointments
-
2014-09–2015-08
Junior consultant
Universidad Complutense de Madrid Teaching Hospital — Oncology
Procedures & conditions
| Procedure | Code | Lifetime volume |
|---|---|---|
| GP consultation | 99213 |
3,047 |
| Annual physical exam | 99395 |
1,417 |
| Vaccination administration | 90471 |
697 |
| Minor procedure (skin) | 17110 |
582 |
Patient reviews
See all 5213"Very thorough first visit — explained every step. Booking was easy and the staff were welcoming."
"Took time to listen and reviewed all my previous results. I would absolutely recommend."
"Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent."
Recognition & press
Awards
- Top-rated Oncology — — EuroClinics Patient Choice · 2025 regional
Society memberships
- WONCA Europe — Family Doctors — Member · since 2015
- national college of family doctors — Member · since 2015
- European Union of Medical Specialists (UEMS) — Member · since 2015
Your consultation, step by step
- 1 Choose a slot
- 2 Brief pre-consult form
- 3 Consultation
- 4 Follow-up note & plan
Services & pricing
New patient consultation (60m)
Follow-up consultation (30m)
Vaccination administration
Minor procedure (skin)
Research & publications
h-index: 20 · i10: 8
Selected publications
-
Outcomes of Oncology in adults — a multi-centre cohort
DOI: 10.7407/euroclin.2025.0 · cited by 199
-
European registry analysis of Oncology outcomes
DOI: 10.8253/euroclin.2024.1 · cited by 77
-
Outcomes of Oncology in adults — a multi-centre cohort
DOI: 10.4821/euroclin.2023.2 · cited by 99
Show full research record
Additional publications
-
European registry analysis of Oncology outcomes
Invited talks
- Practical updates in Oncology · European Annual Congress (Oncology) · Vienna · 2024
- Single-centre experience in Oncology · National Society Meeting · · 2023
Articles by Dr Mary Lei
Frequently asked
01. Do you accept new patients?
Dr Mary Lei is currently accepting new patients. Use the booking module to choose a slot.
02. Which languages can I be seen in?
Consultations are available in English.
03. Is the consultation in-person or online?
Most services are offered both in-clinic and via telemedicine. Each service card above marks its modalities.
04. Do you accept my insurance?
Please use the booking flow to enter your insurance — we verify and confirm before your slot.
05. What is the cancellation policy?
Free cancellation up to 24 hours before your slot. Last-minute cancellations may incur a small administrative fee.
06. How is my health data protected?
All records are stored on EU servers, field-level encrypted, and GDPR compliant. Data is never shared with third parties without your explicit consent.
Book Dr Mary Lei
Similar Oncology specialists
Other verified specialists you may want to compare.