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Dr Kasia Owczarczyk

Verified Oncology London

Dr Kasia Owczarczyk

14 years of experience 5.0 (178 verified reviews)

8,345+
Patients seen
14
Years in practice
11
Publications
3
Languages spoken

PROFILE SUMMARY

About Dr Kasia Owczarczyk at a glance

Dr Kasia Owczarczyk is an Oncology practitioner based in London, United Kingdom, practising at Universidad de Navarra Teaching Hospital. They have 20+ years of clinical experience. Procedures focus on gp consultation, annual physical exam, vaccination administration, minor procedure (skin). Educated at Universidad de Navarra (MD, 2008). Serves patients in London, United Kingdom and the surrounding area.

About

Dr. Kasia Owczarczyk is a Consultant in Clinical Oncology specialising in gastro-oesophageal, rectal and hepatobiliary cancers. She currently works as a consultant in Guy's and St Thomas' NHS Foundation Trust as her NHS base. She undertakes private practice across London at institutions including the Cromwell Hospital.
Dr. Owczarczyk undertook her medical degree in Germany before coming to the UK to train in clinical oncology at University College Hospital London and Mount Vernon Cancer Centre. She has numerous academic accolades including a research MD, a post-doctoral fellowship at Genentech, South San Francisco, and a clinical fellowship in cancer imaging at King's College London.
She was appointed as an honorary senior clinical lecturer at King's College London in 2018 and awarded the Guy's Cancer Career Development and Innovation Award in 2019. She remains active in research, with publications in the Science TM, JCI Insights, and Radiotherapy Oncology journals.
Dr. Owczarczyk's clinical interests include:
Chemoradiotherapy and radiotherapy treatment of gastro-oesophageal & rectal cancers
Chemoradiotherapy treatment of pancreatic cancer
Stereotactic body radiotherapy (SBRT) including MRI guided SBRT
Adaptive radiotherapy
Intraluminal HDR brachytherapy of oesophageal cancer
Predictive markers
Radionics

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

— Dr Kasia Owczarczyk

Education & training

  1. 2002–2008 MD · Medicine and Surgery
    Universidad de Navarra, London (GB)
  2. 2008–2012 Residency · Oncology
    Universidad Complutense de Madrid, London (GB)
  3. 2012–2013 Fellowship · Subspecialty training
    Mayo Clinic, US

Career & appointments

  1. 2012-09–2013-08 Junior consultant
    Universidad de Navarra Teaching Hospital — Oncology

Licenses & insurance

Medical licenses

GB — Organización Médica Colegial de España (OMC)
#GB-187112 active · expires 2028-12-31

Board certifications

European Board of Oncology
#EB-2CFCCD8E · issued 2013 · renewal 2023
Malpractice insurance: AmTrust Europe · 5,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 1,268
Annual physical exam 99395 1,898
Vaccination administration 90471 1,970
Minor procedure (skin) 17110 1,285

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 30 min in_clinic 360.00 EUR
Minor procedure (skin) 120 min in_clinic 270.00 EUR

Office, team & in practice

Kasia Owczarczyk
HEADSHOT
Kasia Owczarczyk in consultation
IN OFFICE
Kasia Owczarczyk with the team
WITH TEAM
Kasia Owczarczyk at a conference
CONFERENCE

Videos

introduction · 138s
Meet Kasia Owczarczyk

Research & publications

h-index: 10 · i10: 7

  1. European registry analysis of Oncology outcomes
    Kasia Owczarczyk, et al. · European Journal of Medicine, 2025
    DOI: 10.2615/euroclin.2025.0 · PMID: 38050529 · cited by 196
  2. Outcomes of Oncology in adults — a multi-centre cohort
    Kasia Owczarczyk, et al. · European Journal of Medicine, 2024
    DOI: 10.7036/euroclin.2024.1 · PMID: 30516267 · cited by 70

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
  • 🏆 Excellence in Patient Care · National Society · 2024 · national

Society memberships

  • WONCA Europe — Family Doctors — Member · Since 2013
  • national college of family doctors — Member · Since 2013
  • European Union of Medical Specialists (UEMS) — Member · Since 2013

Articles by this doctor

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

For international patients

Coordinator
Patient liaison · katarzyna.magdalena.owczarczyk@euroclinics.example
Accepted international insurance
Allianz Worldwide · AXA Global · BUPA Global · Cigna Global

Location

1 tag

Patient reviews

178 verified reviews
4.96
★★★★⯨
178 reviews
5★ 2
4★ 1
3★ 0
2★ 0
1★ 0
Bedside Manner
5.0
Knowledge
5.0
Wait Time
4.7
Staff Friendliness
5.0
Ease Of Appointment
4.9
Value For Money
4.9
Would Recommend Pct
98.0
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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 Kasia Owczarczyk's Areas of Specialty

Each specialty below reflects the conditions and procedures Dr Kasia Owczarczyk 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 Kasia Owczarczyk 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.

Looking for additional providers? all doctors in London or all doctors in United Kingdom.

Frequently asked questions

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

  • What does Kasia Owczarczyk specialise in?

    Kasia Owczarczyk specialises in Oncology in London, GB. 20 years of clinical experience.

  • What conditions does Kasia Owczarczyk treat?

    Kasia Owczarczyk treats conditions within Oncology. View the full conditions-treated list on the profile.

  • Where does Kasia Owczarczyk practise?

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

  • What languages does Kasia Owczarczyk speak?

    Kasia Owczarczyk speaks English, German, Polish.

  • How do I book an appointment with Kasia Owczarczyk?

    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.

  • What do patients say about Kasia Owczarczyk?

    Kasia Owczarczyk has a verified rating of 4.96/5 from 178 patient reviews. Read the most recent reviews on the profile page.

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