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Dr Jason Lester

Oncology Swansea

Dr Jason Lester

5 years of experience

13,230+
Patients seen
5
Years in practice
9
Publications
1
Languages spoken

PROFILE SUMMARY

About Dr Jason Lester at a glance

Dr Jason Lester is an Oncology practitioner based in Swansea, United Kingdom, practising at Universidad de Sevilla Teaching Hospital. They have 33+ years of clinical experience. Procedures focus on gp consultation, annual physical exam, vaccination administration, minor procedure (skin). Educated at Universidad de Sevilla (MD, 2017). Serves patients in Swansea, United Kingdom and the surrounding area.

About

Dr Jason Lester is an oncologist based at GenesisCare in Bristol. He specialises in the management of lung cancer, mesothelioma, prostate, kidney, and bladder cancer.
He is able to offer the following treatments:
Chemotherapy
External beam radiotherapy
Genetic genomic testing
image-guided radiotherapy
immunotherapy
intensity-modulated radiotherapy
palliative radiotherapy
Stereotactic ablative radiotherapy
Surface-guided radiotherapy
volumetric modulated arc therapy
Dr Lester gained his medical degree in 1993 from the University of London and went on to train in general medicine in the south of England. In 2003, he completed his oncology training in Wales and became a consultant oncologist.
He has expertise in a wide range of radiotherapy treatments, such as brachytherapy, proton beam therapy, and conventional conformal radiotherapy. He is also experienced in chemotherapy, hormone therapy, immunotherapy, and targeted treatment.
There is such a wide range of potential therapies for cancer that it is necessary to understand which approach is best for an individual. Dr Lester, therefore, uses cancer genomic analysis to create a personalised treatment plan for his patients. He aims to deliver evidence-based treatment and ensures that his patients understand their treatment fully.
Dr Lester is a member of the Royal College of Physicians and a fellow of the Royal College of Radiologists.

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

— Dr Jason Lester

Education & training

  1. 2011–2017 MD · Medicine and Surgery
    Universidad de Sevilla, Swansea (GB)
  2. 2017–2021 Residency · Oncology
    Universidad de Navarra, Swansea (GB)

Career & appointments

  1. 2021-09–2022-08 Junior consultant
    Universidad de Sevilla Teaching Hospital — Oncology

Licenses & insurance

Medical licenses

GB — Organización Médica Colegial de España (OMC)
#GB-989850 active · expires 2028-12-31

Board certifications

European Board of Oncology
#EB-23688272 · issued 2022 · renewal 2032
Malpractice insurance: Allianz Professional · 3,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 2,683
Annual physical exam 99395 2,253
Vaccination administration 90471 1,837
Minor procedure (skin) 17110 1,458

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 120 min in_clinic 630.00 EUR
Minor procedure (skin) 30 min in_clinic 720.00 EUR

Office, team & in practice

Jason Lester
HEADSHOT
Jason Lester in consultation
IN OFFICE
Jason Lester with the team
WITH TEAM
Jason Lester at a conference
CONFERENCE

Videos

introduction · 97s
Meet Jason Lester

Research & publications

h-index: 10 · i10: 5

  1. Long-term follow-up of Oncology across GB
    Jason Lester, et al. · European Journal of Medicine, 2026
    DOI: 10.2854/euroclin.2026.0 · PMID: 31604873 · cited by 3
  2. Validation of clinical scoring in Oncology
    Jason Lester, et al. · European Journal of Medicine, 2025
    DOI: 10.9372/euroclin.2025.1 · PMID: 36132973 · cited by 121
  3. Long-term follow-up of Oncology across GB
    Jason Lester, et al. · European Journal of Medicine, 2024
    DOI: 10.2642/euroclin.2024.2 · PMID: 39172623 · cited by 111

Invited talks

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

Awards & memberships

Awards

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

Society memberships

  • WONCA Europe — Family Doctors — Member · Since 2022
  • national college of family doctors — Member · Since 2022
  • European Union of Medical Specialists (UEMS) — Member · Since 2022

Articles by this doctor

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

For international patients

Coordinator
Patient liaison · jason.lester@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 Jason Lester's Areas of Specialty

Each specialty below reflects the conditions and procedures Dr Jason Lester 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 Jason Lester is one of 791 oncology doctors indexed in United Kingdom. Browse oncology doctors in United Kingdom →

LOCAL CARE CONTEXT

Why local healthcare in Swansea 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 Swansea 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 Swansea 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 Jason Lester specialise in?

    Jason Lester specialises in Oncology in Swansea, GB. 33 years of clinical experience.

  • What conditions does Jason Lester treat?

    Jason Lester treats conditions within Oncology. View the full conditions-treated list on the profile.

  • Where does Jason Lester practise?

    Jason Lester practises in Swansea, GB. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

  • What languages does Jason Lester speak?

    Jason Lester speaks English.

  • How do I book an appointment with Jason Lester?

    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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