
Dr Nikolaos DiamantisConsultant Medical Oncologist in Central London
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.
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
Central London, Wellington Hospital South Bldg, 8A Wellington Pl, NW8 9LEMedical insurances accepted
Credentials
Professional experience
- 22 years of experience
- Consultant Medical Oncologist, The Wellington Hospital, part of HCA Healthcare (present)
Subspecialties
- Biliary cancer
- Small bowel cancer
Education
- MD (2004)
- MRCP
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
- Would you recommend this doctor?
- Treatment of the doctor
- Treatment of the staff
- Waiting time
- Condition of facilities
- 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.