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Dr Karen Breen
✓ Verified Trust score 98/100 Accepting new patients

Dr

Dr Karen Breen

Haematology · London

5.00 · 2 verified reviews

6,103+ Patients seen
7 Years in practice
15 Publications
0 Languages spoken

About

Dr Karen Breen offers a range of treatments and video consultations in St Thomas Street, London, United Kingdom, SE1 9BS. Read reviews and book online now.

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

— Dr Karen Breen

Education & training

  1. 2009–2015 MD · Medicine and Surgery
    Universidad de Sevilla, London (GB)
  2. 2015–2019 Residency · Haematology
    Universidad de Navarra, London (GB)

Career & appointments

  1. 2019-09–2020-08 Junior consultant
    Universidad de Sevilla Teaching Hospital — Haematology

Licenses & insurance

Medical licenses

GB — Organización Médica Colegial de España (OMC)
#GB-379008 active · expires 2028-12-31

Board certifications

European Board of Haematology
#EB-6BD4EF02 · issued 2020 · renewal 2030
Malpractice insurance: HDI Global · 4,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 957
Annual physical exam 99395 1,715
Vaccination administration 90471 1,091
Minor procedure (skin) 17110 2,764

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 90 min in_clinic 720.00 EUR
Minor procedure (skin) 60 min in_clinic 630.00 EUR

Office, team & in practice

Dr Karen Breen
HEADSHOT
Dr Karen Breen in consultation
IN OFFICE
Dr Karen Breen with the team
WITH TEAM
Dr Karen Breen at a conference
CONFERENCE

Videos

introduction · 60s
Meet Dr Karen Breen

Research & publications

h-index: 6 · i10: 13

  1. Validation of clinical scoring in Haematology
    Dr Karen Breen, et al. · European Journal of Medicine, 2026
    DOI: 10.7340/euroclin.2026.0 · PMID: 37232540 · cited by 69
  2. Long-term follow-up of Haematology across GB
    Dr Karen Breen, et al. · European Journal of Medicine, 2025
    DOI: 10.7766/euroclin.2025.1 · PMID: 36510610 · cited by 119
  3. Validation of clinical scoring in Haematology
    Dr Karen Breen, et al. · European Journal of Medicine, 2024
    DOI: 10.1050/euroclin.2024.2 · PMID: 34026873 · cited by 129
  4. Long-term follow-up of Haematology across GB
    Dr Karen Breen, et al. · European Journal of Medicine, 2023
    DOI: 10.4399/euroclin.2023.3 · PMID: 34200238 · cited by 187

Invited talks

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

Awards & memberships

Awards

  • 🏆 Top-rated Haematology — London · EuroClinics Patient Choice · 2025 · regional
  • 🏆 Excellence in Patient Care · National Society · 2024 · national
  • 🏆 Young Investigator Award · European Society · 2023 · international

Society memberships

  • WONCA Europe — Family Doctors — Member · since 2020
  • national college of family doctors — Member · since 2020
  • European Union of Medical Specialists (UEMS) — Member · since 2020

Patient reviews

★ 5.00 2 verified reviews
Bedside Manner
5.00
Knowledge
5.00
Wait Time
4.75
Staff Friendliness
5.00
Ease Of Appointment
4.90
Value For Money
4.92
Would Recommend Pct
99
  • ★ 5 verified visit

    “Very thorough first visit — explained every step. Booking was easy and the staff were welcoming.”

    — Anna B. · 2026-05-25

  • ★ 5 verified visit

    “Took time to listen and reviewed all my previous results. I would absolutely recommend.”

    — Marco V. · 2026-04-16

  • ★ 4 verified visit

    “Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent.”

    — Helena F. · 2026-04-15

Articles by this doctor

  • Patient education Patient guide to Haematology
  • Awareness When should you see a haematology?

For international patients

Coordinator
Patient liaison · dr.karen.breen@euroclinics.example
Accepted intl insurance
Allianz Worldwide · AXA Global · BUPA Global · Cigna Global

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