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Dr Nikolaos DiamantisConsultant Medical Oncologist in Central London
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Dr Nikolaos Diamantis

Consultant Medical Oncologist in Central London

MD MRCP PhD
GMC: 7013255

5.01reviewReview

Expert in:
Colorectal cancer
Oesophageal cancer
Liver cancer
Pancreatic cancer
Cholangiocarcinoma (bile duct cancer)
Rectal cancer
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Professional statement

Dr Nikolaos Diamantis is a distinguished consultant medical oncologist who specialises in colorectal cancer, oesophageal cancer, liver cancer, pancreatic cancer, bile duct cancer, and rectal cancer. He is currently practising at The Wellington Hospital, the Platinum Medical Centre, and The Harley Street Clinic (part of HCA Healthcare). 

After completing his undergraduate studies with outstanding achievements, Dr Diamantis pursued a career in medicine, driven by a desire to make a meaningful impact in the lives of cancer patients. His journey into oncology began during his medical training, where he was deeply inspired by the resilience of patients facing cancer and the transformative potential of cancer research and treatment. Diamantis's early career as a medical oncologist was characterised by a commitment to delivering personalised and evidence-based care to his patients.

Dr Diamantis honed his clinical skills through rigorous training programmes and hands-on experience, gaining expertise in the diagnosis, treatment, and management of various cancer types. As his career progressed, Diamantis emerged as a leader in oncology research, pioneering innovative approaches to cancer treatment and contributing to the development of novel therapeutics. His research interests spanned a wide range of topics, from cancer biology and genetics to translational medicine and clinical trials. 

Clinics

The Wellington Hospital - part of HCA Healthcare
  • The Wellington Hospital - part of HCA Healthcare profile image

    The Wellington Hospital - part of HCA Healthcare

    Central London, Wellington Hospital South Bldg, 8A Wellington Pl, NW8 9LE

    Medical insurances accepted

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

Credentials

Professional experience

  • 22 years of experience
  • Consultant Medical Oncologist, The Wellington Hospital, part of HCA Healthcare (present)
  • Consultant Medical Oncologist, Platinum Medical Centre (present)
  • Consultant Medical Oncologist, The Harley Street Clinic, part of HCA Healthcare (present)
View more

Subspecialties

  • Biliary cancer
  • Small bowel cancer
  • Immunotherapy
  • Chemotherapy
  • Targeted therapy
  • Neuroendocrine carcinoma of unknown primary
View more

Education

  • MD (2004)
  • MRCP
  • PhD
View more

Positions in organisations

  • Barts Trust Lead, Acute Oncology and Cancer of Uknwown Primary, St Bartholomew's Hospital (present)

Publications and conferences

  • You can see Dr Diamantis' publications on ResearchGate. 

Languages spoken

  • English
  • Greek
Registration number: 7013255

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

1 review

5.0

Review this doctor
  • Would you recommend this doctor?
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  • The treatment my mother has received from Dr Diamantis has been exemplary. His kind and caring approach has made a difficult situation much less traumatic, and he has shown true duty of care in considering my mother's needs and her treatment.
    5 December 2024

    P.D.

    Verified patient
View all reviews

Treatments

The doctor is expert in

Cholangiocarcinoma (bile duct cancer)

Colorectal cancer

Liver cancer

Oesophageal cancer

Pancreatic cancer

Rectal cancer

The doctor also specialises in:

Bladder cancer

Bowel cancer

Brain tumour

Cancer

Cancer of unknown primary

Chemotherapy

Colon cancer

Endometrial cancer

Kidney cancer

Lung cancer

Frequently Asked Questions

What is Dr Nikolaos Diamantis's specialty?

Dr Nikolaos Diamantis is a consultant specialising in Medical Oncology, with extensive experience in assessing and treating patients within this field.

Which conditions and treatments does Dr Nikolaos Diamantis specialise in?

Dr Nikolaos Diamantis is a medical Oncologist who provides assessment and treatment for Pancreatic cancer, Liver cancer, Cholangiocarcinoma (bile duct cancer), Colorectal cancer, Rectal cancer and Oesophageal cancer. During your consultation, you will be informed of the most suitable options following a personalised evaluation.

How many years of experience does Dr Nikolaos Diamantis have?

Dr Nikolaos Diamantis has 22 years of professional experience as a consultant medical Oncologist, providing specialist assessment and treatment in this medical field.

What do patients say about Dr Nikolaos Diamantis?

Patients give a rating of 5.0 out of 5 to Dr Nikolaos Diamantis, a score considered excellent. This average is based on 1 verified patient reviews, reflecting the experience of those who have attended an appointment.

Are Dr Nikolaos Diamantis's reviews verified?

Yes. All Dr Nikolaos Diamantis'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 Dr Nikolaos Diamantis practise?

Dr Nikolaos Diamantis practices in the following locations:

  • Central London at Wellington Hospital South Bldg, 8A Wellington Pl
  • Central London at 15 - 17 Lodge Road
  • Central London at 35 Weymouth Street, London

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

How can I book an appointment with Dr Nikolaos Diamantis?

You can book an appointment with Dr Nikolaos Diamantis 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 Dr Nikolaos Diamantis see NHS patients?

Many specialists featured on Top Doctors also hold NHS positions. However, appointments arranged for Dr Nikolaos Diamantis through this platform are private, either self-pay or covered by private medical insurance.

Does Dr Nikolaos Diamantis offer private appointments?

Yes, Dr Nikolaos Diamantis offers private appointments for patients seeking flexible and direct access to a consultant medical Oncologist.

Does Dr Nikolaos Diamantis offer online consultations?

At the moment, Dr Nikolaos Diamantis does not offer online consultations. You can book an in-person appointment from this page or call +44 02038840543. When calling, please mention that you are a Top Doctors patient.

Does Dr Nikolaos Diamantis accept insurance?

Dr Nikolaos Diamantis 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 Dr Nikolaos Diamantis's availability?

Dr Nikolaos Diamantis'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 Dr Nikolaos Diamantis offer?

You can pay for your consultation with Dr Nikolaos Diamantis using the following methods: Self-paying.

What languages does Dr Nikolaos Diamantis speak?

Dr Nikolaos Diamantis is a medical Oncologist who offers consultations in English and Greek.

How is Dr Nikolaos Diamantis selected to appear on this platform?

All doctors listed on Top Doctors, including Dr Nikolaos Diamantis, 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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The Wellington Hospital - part of HCA HealthcareCentral London, Wellington Hospital South Bldg, 8A Wellington Pl, NW8 9LE
Payment methodSelf-paying
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