Naar hoofdinhoud
Dr Mary Lei

Oncologie London

Dr Mary Lei

12 jaar ervaring

2,935+
Patients seen
12
Years in practice
15
Publications
1
Languages spoken

PROFILE SUMMARY

About Dr Mary Lei at a glance

Dr Mary Lei is an Oncologie practitioner based in London, Verenigd Koninkrijk, practising at Universidad Complutense de Madrid Teaching Hospital. They have 26+ years of clinical experience. Procedures focus on gp consultation, annual physical exam, vaccination administration, minor procedure (skin). Educated at Universidad Complutense de Madrid (MD, 2010). Serves patients in London, Verenigd Koninkrijk and the surrounding area.

Over

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.”

— Dr Mary Lei

Opleiding & training

  1. 2004–2010 MD · Medicine and Surgery
    Universidad Complutense de Madrid, London (GB)
  2. 2010–2014 Residency · Oncologie
    Universidad de Sevilla, London (GB)
  3. 2014–2015 Fellowship · Subspecialty training
    Royal Marsden London, UK

Carrière & aanstellingen

  1. 2014-09–2015-08 Junior consultant
    Universidad Complutense de Madrid Teaching Hospital — Oncologie

Vergunningen & verzekering

Medische licenties

GB — Organización Médica Colegial de España (OMC)
#GB-902022 active · expires 2028-12-31

Boardcertificeringen

European Board of Oncologie
#EB-E471CC9A · issued 2015 · renewal 2025
Beroepsaansprakelijkheidsverzekering: AmTrust Europe · 4,000,000 EUR dekking · No claims on file

Uitgevoerde procedures

ProcedureCodeLevenslang aantal
GP consultation 99213 3,047
Annual physical exam 99395 1,417
Vaccination administration 90471 697
Minor procedure (skin) 17110 582

Diensten & prijzen

DienstDuurModaliteitPrijs
New patient consultation (60m) 60 min in_clinic|telemed 180.00 EUR
Follow-up consultation (30m) 30 min in_clinic|telemed|phone 90.00 EUR
Vaccination administration 30 min in_clinic 180.00 EUR
Minor procedure (skin) 120 min in_clinic 450.00 EUR

Praktijk, team & in praktijk

Mary Lei
HEADSHOT
Mary Lei in consultation
IN OFFICE
Mary Lei with the team
WITH TEAM
Mary Lei at a conference
CONFERENCE

Video's

introduction · 146s
Meet Mary Lei

Onderzoek & publicaties

h-index: 20 · i10: 8

  1. Outcomes of Oncologie in adults — a multi-centre cohort
    Mary Lei, et al. · European Journal of Medicine, 2025
    DOI: 10.7407/euroclin.2025.0 · PMID: 32509668 · geciteerd door 199
  2. European registry analysis of Oncologie outcomes
    Mary Lei, et al. · European Journal of Medicine, 2024
    DOI: 10.8253/euroclin.2024.1 · PMID: 39832185 · geciteerd door 77
  3. Outcomes of Oncologie in adults — a multi-centre cohort
    Mary Lei, et al. · European Journal of Medicine, 2023
    DOI: 10.4821/euroclin.2023.2 · PMID: 31340855 · geciteerd door 99
  4. European registry analysis of Oncologie outcomes
    Mary Lei, et al. · European Journal of Medicine, 2022
    DOI: 10.1066/euroclin.2022.3 · PMID: 33453380 · geciteerd door 121

Uitgenodigde lezingen

  • Practical updates in Oncologie European Annual Congress (Oncologie) · Vienna · 2024 · invited
  • Single-centre experience in Oncologie National Society Meeting · London · 2023 · oral abstract

Onderscheidingen & lidmaatschappen

Onderscheidingen

  • 🏆 Top-rated Oncologie — London · EuroClinics Patient Choice · 2025 · regional

Lidmaatschappen

  • WONCA Europe — Family Doctors — Member · Sinds 2015
  • national college of family doctors — Member · Sinds 2015
  • European Union of Medical Specialists (UEMS) — Member · Sinds 2015

Artikelen van deze arts

  • Patient education Patient guide to Oncologie
  • Awareness When should you see a oncologie?

Voor internationale patiënten

Coördinator
Patient liaison · dr.mary.lei.1@euroclinics.example

Locatie

1 tag

Patiëntbeoordelingen

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Recente recensies

  • ★★★★★ ✓ Geverifieerd
    Very thorough first visit — explained every step. Booking was easy and the staff were welcoming.
    Anna B.
  • ★★★★★ ✓ Geverifieerd
    Took time to listen and reviewed all my previous results. I would absolutely recommend.
    Marco V.
  • ★★★★☆ ✓ Geverifieerd
    Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent.
    Helena F.

SPECIALTIES & PROCEDURES

Dr Mary Lei's Areas of Specialty

Each specialty below reflects the conditions and procedures Dr Mary Lei treats, with the size of the national pool of Verenigd Koninkrijk doctors offering the same care.

Oncologie

Cancer diagnosis and treatment including chemotherapy, immunotherapy, targeted therapy and survivorship care.

Dr Mary Lei is one of 791 oncologie doctors indexed in Verenigd Koninkrijk. Browse oncologie doctors in Verenigd Koninkrijk →

LOCAL CARE CONTEXT

Why local healthcare in London matters

Medical practice in Verenigd Koninkrijk is governed by country-specific licensing, professional standards, and patient-safety regulations. Practitioners listed here are registered with the relevant Verenigd Koninkrijk medical authority and operate within national rules on scope of practice, prescribing rights, and continuing professional development. Care delivered in London carries the additional benefits of local language support, in-person follow-up, and direct coordination with regional hospitals and labs. A verified profile means EuroClinics has cross-checked the practitioner or clinic against an official source (national medical register, public licence database, or the practitioner themselves), and that the data shown here matches that source as of the last verification date above.

Looking for additional providers? all doctors in London or all doctors in Verenigd Koninkrijk.

Veelgestelde vragen

Snelle antwoorden op de vragen die patiënten het vaakst stellen. Dezelfde antwoorden worden via gestructureerde data aan AI-assistenten doorgegeven.

  • What does Mary Lei specialise in?

    Mary Lei specialises in Oncologie in London, GB. 26 years of clinical experience.

  • What conditions does Mary Lei treat?

    Mary Lei treats conditions within Oncologie. View the full conditions-treated list on the profile.

  • Where does Mary Lei practise?

    Mary Lei practises in London, GB. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

  • What languages does Mary Lei speak?

    Mary Lei speaks English.

  • How do I book an appointment with Mary Lei?

    Use the "Request a booking" button on the profile to send an appointment request. Most appointments are confirmed within 24 hours; many slots are bookable instantly.

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