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Dr Mark Harries

Oncology London

Dr Mark Harries

2 years of experience

12,225+
Patients seen
2
Years in practice
4
Publications
1
Languages spoken

PROFILE SUMMARY

About Dr Mark Harries at a glance

Dr Mark Harries is an Oncology practitioner based in London, United Kingdom, practising at Universidad de Navarra Teaching Hospital. They have 36+ years of clinical experience. Procedures focus on gp consultation, annual physical exam, vaccination administration, minor procedure (skin). Educated at Universidad de Navarra (MD, 2020). Serves patients in London, United Kingdom and the surrounding area.

About

Dr Mark Harries is a Consultant Medical Oncologist at Guy's & St Thomas' Hospitals NHS Foundation Trust and honorary senior lecturer at Kings College London School of Medicine - he also sees patients privately. He specialises in the treatment of breast cancer and melanoma.
Dr Harries graduated from Cambridge University and underwent clinical training at the Royal London Hospital. He then trained in medical oncology at the Royal Marsden Hospital and completed a PhD and post-doctoral work in the Department of Immunology at University College, London. His research interests include immunotherapy for melanoma and breast cancer as well as clinical trials of new biological agents for these diseases.
He has published many papers and presents on a regular basis at national and international conferences. He is the Oncology Editor for the International Journal of Clinical Practice. Dr Harries is also an honorary senior lecturer at King's College London School of Medicine.
Diseases, Medical Tests and Treatments
Chemotherapy
Immunotherapy
Biological therapy
Hormonal therapy
Breast Cancer
Melanoma

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

— Dr Mark Harries

Education & training

  1. 2014–2020 MD · Medicine and Surgery
    Universidad de Navarra, London (GB)
  2. 2020–2024 Residency · Oncology
    UAB Barcelona, London (GB)
  3. 2024–2025 Fellowship · Subspecialty training
    AP-HP Paris, FR

Career & appointments

  1. 2024-09–2025-08 Junior consultant
    Universidad de Navarra Teaching Hospital — Oncology

Licenses & insurance

Medical licenses

GB — Organización Médica Colegial de España (OMC)
#GB-552477 active · expires 2028-12-31

Board certifications

European Board of Oncology
#EB-8E636C06 · issued 2025 · renewal 2035
Malpractice insurance: HDI Global · 3,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 998
Annual physical exam 99395 760
Vaccination administration 90471 2,120
Minor procedure (skin) 17110 2,319

Services & pricing

ServiceDurationModalityPrice
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 60 min in_clinic 450.00 EUR
Minor procedure (skin) 90 min in_clinic 180.00 EUR

Office, team & in practice

Mark Harries
HEADSHOT
Mark Harries in consultation
IN OFFICE
Mark Harries with the team
WITH TEAM
Mark Harries at a conference
CONFERENCE

Videos

introduction · 80s
Meet Mark Harries

Research & publications

h-index: 3 · i10: 4

  1. European registry analysis of Oncology outcomes
    Mark Harries, et al. · European Journal of Medicine, 2025
    DOI: 10.8603/euroclin.2025.0 · PMID: 33313569 · cited by 78
  2. Outcomes of Oncology in adults — a multi-centre cohort
    Mark Harries, et al. · European Journal of Medicine, 2024
    DOI: 10.9378/euroclin.2024.1 · PMID: 36587863 · cited by 116
  3. European registry analysis of Oncology outcomes
    Mark Harries, et al. · European Journal of Medicine, 2023
    DOI: 10.7992/euroclin.2023.2 · PMID: 32748612 · cited by 42

Invited talks

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

Awards & memberships

Awards

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

Society memberships

  • WONCA Europe — Family Doctors — Member · Since 2025
  • national college of family doctors — Member · Since 2025
  • European Union of Medical Specialists (UEMS) — Member · Since 2025

Articles by this doctor

  • Patient education Patient guide to Oncology
  • Awareness When should you see a oncology?

For international patients

Coordinator
Patient liaison · dr.mark.harries@euroclinics.example

Location

1 tag

Patient reviews

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Recent reviews

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

SPECIALTIES & PROCEDURES

Dr Mark Harries's Areas of Specialty

Each specialty below reflects the conditions and procedures Dr Mark Harries treats, with the size of the national pool of United Kingdom doctors offering the same care.

Oncology

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

Dr Mark Harries is one of 791 oncology doctors indexed in United Kingdom. Browse oncology doctors in United Kingdom →

LOCAL CARE CONTEXT

Why local healthcare in London matters

Medical practice in United Kingdom is governed by country-specific licensing, professional standards, and patient-safety regulations. Practitioners listed here are registered with the relevant United Kingdom 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.

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Frequently asked questions

Quick answers to the questions patients ask most. The same answers are surfaced to AI assistants via structured data.

  • What does Mark Harries specialise in?

    Mark Harries specialises in Oncology in London, GB. 36 years of clinical experience.

  • What conditions does Mark Harries treat?

    Mark Harries treats conditions within Oncology. View the full conditions-treated list on the profile.

  • Where does Mark Harries practise?

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

  • What languages does Mark Harries speak?

    Mark Harries speaks English.

  • How do I book an appointment with Mark Harries?

    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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