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Dr Kasia Owczarczyk

MBBS, MD (res), MRCP, FRCR

Oncologist

19 years of experience

London, SE1 2PR

(+4 more)

37 connections in healthcare

Skill endorsed

by Dr Richard Shaffer, Dr. Syed Hassan and 6 other professionals

Areas of expertise

All
Reviews
Endorsements
Radiotherapy
88
5
Chemotherapy
39
6
Stereotactic Ablative Radiotherapy (SABR)
15
2

Contact

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About Dr Kasia Owczarczyk

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

Subspecialties

  • Clinical Oncology
  • Medical Oncology

Areas of expertise

All
Reviews
(190)
Endorsements
(16)

Click the bar to read reviews or skill endorsements

Radiotherapy
88
5
Chemotherapy
39
6
Stereotactic Ablative Radiotherapy (SABR)
15
2
Liver Cancer
16
Rectal Cancer
11

Registered with

General Medical Council

No. 7062724


Qualifications

State Exam Med 2006 Universitat Köln

MD (res), USLME, MRCP, FRCR (examination)


Languages spoken

  • English
  • German
  • Polish

Consultation fees

  • New appointment: £250
  • Follow-up appointment: £100

Insurers

  • Bupa Fee Assured
  • AXA Health
  • Bupa
  • Aviva Health
  • Vitality

Location

All locations for Dr Kasia Owczarczyk

4.82

(5012)

27 Tooley Street, London, United Kingdom, SE1 2PR

4.86

(1674)

164-178 Cromwell Rd, London, United Kingdom, SW5 0TU

4.83

(391)

Guy's Cancer Centre, Great Maze Pond, London, United Kingdom, SE1 9RT

4.95

(115)

Borough Wing, Lower Ground Floor Guy’s Hospital, London, United Kingdom, SE1 9RT

4.83

(36)

164-178 Cromwell Rd, Kensington, London, United Kingdom, SW5 0TU

Reviews

AI Review Summary

This summary was created by AI based on recent reviews

Dr Kasia Owczarczyk is kind, caring, and clear in her patient interactions. She gives thorough, detailed explanations of procedures, including Stereotactic Ablative Radiotherapy (SABR), cancer plans, test results, and treatment options, ensuring patients feel informed. Dr Owczarczyk takes time to listen, answers all questions, and involves patients in decision making. Some patients mention explanations are technical or have fast delivery. Her expertise includes various cancer treatments and diagnoses, such as radiotherapy, chemotherapy, oesophageal cancer, and rectal cancer.

5.0
verified patient
02 Feb 2026

Excellent. Friendly and professional with very clear and comprehensive explanations of test results.

5.0
verified patient
29 Jan 2026

It was very positive and reassuring. Everything was explained thoroughly to me and I feel I'm in safe hands

5.0
verified patient
19 Jan 2026

I cannot speak highly enough of Dr Kasia. From the very first interaction, she was exceptionally kind, considerate, and empathetic. She spent nearly an hour with me on a call, which in itself was remarkable, especially compared with many private consultations where time can feel extremely limited. I never once felt rushed. What stood out most was the depth of her preparation and attention to detail. She had clearly reviewed my entire medical history thoroughly and in far more depth than any clinician I have seen previously. Her knowledge of oncology is outstanding, but what really impressed me was her ability to integrate this with a broader understanding of complex medical issues and explain everything clearly and logically. Her manner and tone were incredibly reassuring, and she demonstrated genuine sympathy and care throughout. She ensured no detail was overlooked and went above and beyond in liaising with other departments and specialists to make sure every aspect of my case was considered properly. For the first time in a long time, I felt that someone was truly in control of my care. She explained not only the current situation but also the possible future pathways, likelihoods, and risks in a way that finally made sense. Until this consultation, I had felt very much in the dark and extremely anxious due to conflicting or unclear information from other providers. After speaking with Dr Kasia, I felt informed, empowered, and significantly less anxious. I now feel completely reassured that I am in the best possible hands and that my care is being managed thoroughly and ...

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5.0
verified patient
14 Jan 2026

The whole team have been excellent as well so all in all a very professional team end individuals

5.0
verified patient
08 Jan 2026

It is always a pleasure to see Kasia, even under the most stressful circumstances, such as receiving scan results. I hold her in the highest esteem. She is an exceptional doctor with genuine empathy, and her care, presence, and expertise have consistently reassured me on my cancer journey. Kasia is an outstanding person who has restored my trust in Western medicine.

Patient seen for:
5.0
verified patient
08 Jan 2026

I was there as first appointment for SABR. Kasia explained everything showing me my scans and position of the tumor. She explained all possible complication and a rough timeline of the next steps and what would happen after treatment. She answered all my questions

5.0
verified patient
04 Jan 2026

Dr Owczarczyk has a lovely warm friendly manner. She explained everything thoroughly, in a clear way. I was kept well informed during my treatment. Dr Owczarczyk was easily contactable throughout, as well as arranged a number of face to face consultations.

Patient seen for:
5.0
verified patient
02 Jan 2026

Very good and caring consultation Dr Kasia

Patient seen for:
5.0
verified patient
30 Dec 2025

Dr kasia was full of smiles all through my appointment with her. This Made me very relaxed about my diagnosis. She offered me her listening ears and provided all the explanations I needed which has greatly allayed all my fears. She was very professional and compassionate in her discussions with me. I left Dr kasia's office very very happy and looking forward to seeing her again.

Patient seen for:
5.0
verified patient
30 Dec 2025

Dr Kasıa provıded consistently outstanding care. Always lıstenıng. A very reassuring presence.

Patient seen for:
Your trust is our top concern, so providers can't pay to alter or remove reviews.

Endorsements

06 Jan 2026
Endorsed for
Chemotherapy
Oesophageal Cancer

Dr Richard Shaffer

Dr Richard Shaffer

Oncologist
Is a colleague

Dr Owczarczyk is a well respected oncologist with a wealth of knowledge and a reputation for providing great service to her patients

22 Jul 2025
Endorsed for
Chemotherapy
Radiotherapy

Dr. Syed Hassan

Dr. Syed Hassan

Respiratory Doctor
I have looked after their patients

A wonderful colleague and a great oncologist

16 Jul 2025
Endorsed for
Chemotherapy
Radiotherapy
Stereotactic Ablative Radiotherapy (SABR)

Dr Andrew Gaya

Dr Andrew Gaya

Oncologist
Is a colleague

29 Jun 2025
Endorsed for
Chemotherapy
Radiotherapy

Dr Carla Perna

Dr Carla Perna

Oncologist
Is a colleague

FAQ

What are Dr Kasia Owczarczyk's reviews like?

Dr Kasia Owczarczyk's overall patient rating is 4.96 out of 5 stars on Doctify. This is based on 153 reviews.

What languages does Dr Kasia Owczarczyk speak?

Dr Kasia Owczarczyk speaks English, German and Polish

Where is Dr Kasia Owczarczyk located?

Dr Kasia Owczarczyk primarily practices at HCA Healthcare UK London Bridge Hospital, located at 27 Tooley Street, London, United Kingdom, SE1 2PR
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What are Dr Kasia Owczarczyk working hours?

Dr Kasia Owczarczyk is working Monday (09:00 - 13:00, 09:00 - 13:00), Friday (10:00 - 13:00, 10:00 - 13:00, 10:00 - 13:00)

Find where Dr Kasia Owczarczyk operates today

Does Dr Kasia Owczarczyk accept new patients?

Dr Kasia Owczarczyk generally accepts new patients.

Get in touch with this specialist to enquire as a new patient