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Mr Kevin Sean O´Neill Neurosurgery in Central London
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Mr Kevin Sean O´Neill

Neurosurgery in Central London

Top Doctors Awards: 2017 and 2022
BSc MB BS FRCS(Eng) FRCS(SN)
GMC: 3342507

5.040reviewsReview

Expert in:
Brain tumour
Spinal surgery
Vascular malformations
Spinal endoscopy
Neuro-oncology
Brain aneurysm
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Professional statement

Mr Kevin Sean O’Neill is a consultant neurosurgeon in prominent clinics across London. He is nationally and internationally renowned for his knowledge and precision in numerous areas of his field, including brain tumour surgery, spinal surgery, neuro-oncology and peripheral nerve surgery.
 
Mr O’Neill is one of London’s most reputable neurosurgeons. Extensive training and decades of professional experience have led to him becoming the Head of Neurosurgery at the Imperial College Healthcare NHS Trust, one of the largest NHS trusts in England. He is also an honorary senior lecturer at the Division of Clinical Neuroscience for the college. Patients can access his private services at the well-known clinics of Cleveland Clinic London and Charing Cross Hospital. Spinal surgery and peripheral nerve surgery account for many of his elective procedures. 
 
He has also made remarkable contributions to clinical research. In 2004, Mr O’Neill co-founded the Brain Tumour Research Campaign charity to seed fund a research program that has since been awarded as a PI Centre of Excellence. Throughout his training and professional career, he has produced numerous research papers. His research includes investigations into neuro-protection and brain tumour invasion, as well as spinal cord and peripheral nerve regeneration. Above all, his research aims to develop new technologies and treatments.
 
Additionally, he plays an important role in various professional bodies. This includes the Society of British Neurological Surgeons (SBNS), the British Neuro-Oncology Society (BNOS) and the ​British Neurosurgical Research Group (BNRG).

Clinics

Cleveland Clinic Portland Place Outpatient Centre
  • Cleveland Clinic Portland Place Outpatient Centre profile image

    Cleveland Clinic Portland Place Outpatient Centre

    Central London, 24 Portland Place, W1B 1LU,

    Medical insurances accepted

    Bupa
    AXA
    AVIVA
    Cigna
    WPA
    Simply Health
    I'm paying for myself
    Allianz

Credentials

Professional experience

  • 37 years of experience
  • Consultant Neurosurgeon, Charing Cross Hospital, West London (present)
  • Consultant Neurosurgeon, Cromwell Hospital, Central London (1999 - present)
  • Head of Neurosurgery, Imperial College Healthcare NHS Trust (2014 - present)
  • Consultant Neurosurgeon, Imperial College Healthcare NHS Trust (1999 - present)
  • Senior Registrar, National Hospital for Neurology and Neurosurgery, Queen Square (August 1998 - February 1999)
  • Senior Registrar, Great Ormond Street Hospital for Children NHS Foundation Trust (February 1998 - July 1998)
  • Senior Registrar, Atkinson Morley's Hospital, Wilbledon (1997 - 1998)
View more

Subspecialties

  • Brain tumour
  • Peripheral nerve surgery
  • Spinal cord
  • Vascular neurosurgery
  • Complex neurovascular surgery
  • Neuro-protection
  • Spinal cord regeneration
  • Peripheral nerve regeneration
  • Stroke
  • Subarachnoid haemorrhage
  • Aneurysms
  • Arteriovenous malformation (AVM)
  • Disc prolapse
  • Neck pain
  • Back pain
  • Arm pain
  • Leg pain
  • Degenerative spine and tumour surgery
  • Nerve entrapment 
  • Nerve injury
  • Brain and central nervous system (CNS) infections
View more

Professional memberships

  • Society of British Neurological Surgeons (SBNS)
  • British Neuro-Oncology Society (BNOS)
  • British Neurosurgical Research Group (BNRG)
  • Society of Neurological Surgeons(SNS)
View more

Education

  • FRCS (SN) Fellowship of the Royal Colleges of Surgeons (Surgical Neurology)
  • FRCS (Eng) Fellowship of the Royal Colleges of Surgeons (England)
  • MB BS St Mary's Hospital Medical School
  • BSc St Mary's Hospital Medical School
View more

Teaching posts

  • Lecturer, St George's Hospital Medical School (1995 - 1997)
  • MDT Chair for Brain & CNS Oncology, Imperial College Healthcare NHS Trust (2011 - present)

Positions in organisations

  • Co-Founder and Chairman of the Brain Tumour Research Campaign

Publications and conferences

  • Mr O'Neill featured in BBC Two's Hospital.

Languages spoken

  • English
Registration number: 3342507

Reviews

Overall Rating

40 total reviews

5.0

  • ReviewsTOPDOCTORS

    32 reviews

  • ReviewsiWantGreatCare

    8 reviews

All reviews are from real patients and have been verified by our Customer Service department to ensure they meet our guidelines. Rules of the service

32 reviews

5.0

Review this doctor
  • Would you recommend this doctor?
  • Treatment of the doctor
  • Treatment of the staff
  • Waiting time
  • Condition of facilities
  • Genuinely one of the nicest, knowledgeable and caring Neurosurgeon and person I’ve met in a long time. A wonderful human being who considers his patients life circumstances and best pathway forward. Highly recommend. Thank you, I trust I’m in safe hands. Afirah Azmi
    7 July 2025

    A.A.

    Verified patient
  • Fantastic initial consultation with Mr O’Neill. He took the time to listen and was very thorough. I would highly recommend.
    4 June 2024

    S.P.

    Verified patient
  • I would highly recommend Mr O’Neill
    11 October 2023

    M.K.

    Verified patient
  • Mr O'Neil was very kind to my elderly mother and completely understood her pain issues, which has been overlooked before now because of her age. It was very important to us that she felt someone was finally listening to her and was clear about realistic solutions going forward.
    24 January 2023

    E.O.

    Verified patient
  • Follow up still awaited
    10 January 2023

    R.M.

    Verified patient
  • Very professional and thorough consultation and excellent initial follow up
    27 April 2022

    J.W.

    Verified patient
  • 22 April 2022

    I.B.

    Verified patient
  • Extremely pleased with Mr O'Neill's consultation.
    20 July 2021

    S.H.

    Verified patient
  • Extremely pleased with Mr O'Neill's consultation.
    20 July 2021

    S.H.

    Verified patient
  • Thank you very much we get help
    14 April 2021

    V.D.

    Verified patient
View all reviews

Treatments

The doctor is expert in

Brain aneurysm

Brain tumour

Neuro-oncology

Spinal endoscopy

Spinal surgery

Vascular malformations

The doctor also specialises in:

Back pain

Brain haemorrhage

Lumbar herniated disc

Minimally invasive spinal surgery

Neck pain

Sciatica

Spinal cord stimulator

Spinal fusion

Spinal stenosis

Frequently Asked Questions

What is Mr Kevin Sean O´Neill 's specialty?

Mr Kevin Sean O´Neill is a consultant specialising in Neurosurgery, with extensive experience in assessing and treating patients within this field.

Which conditions and treatments does Mr Kevin Sean O´Neill specialise in?

Mr Kevin Sean O´Neill is a neurosurgeon who provides assessment and treatment for Spinal surgery, Brain aneurysm, Vascular malformations, Brain tumour, Spinal endoscopy and Neuro-oncology. During your consultation, you will be informed of the most suitable options following a personalised evaluation.

How many years of experience does Mr Kevin Sean O´Neill have?

Mr Kevin Sean O´Neill has 37 years of professional experience as a consultant neurosurgeon, providing specialist assessment and treatment in this medical field.

What do patients say about Mr Kevin Sean O´Neill ?

Patients give a rating of 5.0 out of 5 to Mr Kevin Sean O´Neill , a score considered excellent. This average is based on 40 verified patient reviews, reflecting the experience of those who have attended an appointment.

Are Mr Kevin Sean O´Neill 's reviews verified?

Yes. All Mr Kevin Sean O´Neill 's reviews come from verified patients who have attended either an in-person or an e-Consultation appointment. We use a system that ensures authenticity and prevents fake reviews. Some profiles may also display reviews from other platforms, which follow their own verification policies, with the source always clearly indicated.

Where does Mr Kevin Sean O´Neill practise?

Mr Kevin Sean O´Neill practices in the following locations:

  • Central London at 24 Portland Place, W1B 1LU
  • Central London at 33 Grosvenor Place, SW1X 7HY

In-person consultations are available at these locations as a Neurosurgery.

How can I book an appointment with Mr Kevin Sean O´Neill ?

You can book an appointment with Mr Kevin Sean O´Neill directly from this page by selecting the time that suits you best. Alternatively, you can call the phone number shown if you prefer personalised assistance.

Does Mr Kevin Sean O´Neill see NHS patients?

Many specialists featured on Top Doctors also hold NHS positions. However, appointments arranged for Mr Kevin Sean O´Neill through this platform are private, either self-pay or covered by private medical insurance.

Does Mr Kevin Sean O´Neill offer private appointments?

Yes, Mr Kevin Sean O´Neill offers private appointments for patients seeking flexible and direct access to a consultant neurosurgeon.

Does Mr Kevin Sean O´Neill offer online consultations?

At the moment, Mr Kevin Sean O´Neill does not offer online consultations. You can book an in-person appointment from this page or call +44 02037447788. When calling, please mention that you are a Top Doctors patient.

Does Mr Kevin Sean O´Neill accept insurance?

Mr Kevin Sean O´Neill works with the following private medical insurance providers: Bupa, AXA, AVIVA, Cigna, WPA, Simply Health, Allianz, CS Healthcare, Vitality, The Exeter Friendly, Pru Health, Groupama, April, Freedom, National Assurance, General Medical, Saga, Healix, Legal & General Insurance, Health-online, Benenden Health , Alliance Health Group, Police Mutual, Aetna, Tricare, Asia Medical Assistance, AIG, Health Now, Humanis, International SOS, Standard Life and Bupa Global. If your insurer is not listed, you may contact the practice directly to confirm your coverage.

What is Mr Kevin Sean O´Neill 's availability?

Mr Kevin Sean O´Neill 's availability depends on the appointment slots open at any given time. On this page, you can check current availability, and if no slots are shown, you can request an appointment or contact the practice directly.

What payment methods does Mr Kevin Sean O´Neill offer?

You can pay for your consultation with Mr Kevin Sean O´Neill using the following methods: Self-paying.

What languages does Mr Kevin Sean O´Neill speak?

Mr Kevin Sean O´Neill is a neurosurgeon who offers consultations in English.

How is Mr Kevin Sean O´Neill selected to appear on this platform?

All doctors listed on Top Doctors, including Mr Kevin Sean O´Neill , undergo our rigorous selection process. Only one in five specialists meets the required standards to be included.
Discover Top Doctors' rigorous medical selection process.
The doctor, or where applicable the hospital or medical centre in which the doctor provides services, undertakes to keep the information relating to the prices of services published on their profile on the Top Doctors platform up to date at all times, ensuring that such prices correspond to those effectively charged to patients. In the event of any discrepancy between the published price and the price ultimately charged to the patient, the doctor and/or the relevant hospital or medical centre shall be solely liable towards the patient and towards Top Doctors for any claim or financial difference arising therefrom.

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Cleveland Clinic Portland Place Outpatient CentreCentral London, 24 Portland Place, W1B 1LU,
Payment methodSelf-paying
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