
Mr Nimalan ArumainayagamConsultant Urological Surgeon in Chertsey
Mr Nimalan Arumainayagam
BMedSci BMBS MD FRCS(Urol)
GMC: 4713476Professional statement
Mr Nimalan Arumainayagam is highly respected consultant urological surgeon in Woking, Chertsey, Windsor and west London. He is renowned for his expertise in prostate cancer diagnosis and benign prostate enlargement and also specialises in kidney stones, recurrent urinary tract infections, erectile dysfunction and haematuria (blood in the urine).
After qualifying in medicine from the University of Nottingham in 2000, Mr Arumainayagam underwent further training in London and Bristol. He was awarded a clinical research fellowship based at University College London Hospitals, where he formed part of a research group on minimally invasive treatment of prostate cancer. He additionally completed subspecialist training in stone surgery at Charing Cross Hospital and obtained an MD in multiparametric magnetic resonance imaging in the diagnosis of prostate cancer from University College London. He achieved the fellowship of the Royal College of Surgeons’ urology section in 2014 and was appointed as a consultant urological surgeon at Ashford and St. Peter’s Hospitals NHS Foundation Trust the following year. Offering expert care for a wide range of urological conditions, including innovative treatments for benign prostate enlargement, Mr Arumainayagam sees private patients at Nuffield Health Woking Hospital, Runnymede Hospital, GenesisCare Woking and the Syon Clinic.
Throughout his esteemed career, Mr Arumainayagam has held a number of senior positions and is currently clinical lead in the department of urology and lead cancer clinician within his NHS base. At the forefront of research in his field, he has also acted as principal investigator on a number of key clinical trials and his academic papers appear in peer reviewed journals. He is a regular speaker at important conferences of fellow urologists and has won awards throughout his career, including being the senior supervising author for the winning presentation of the Royal Society of Medicine’s Geoffrey Chisholm Communication Prize in 2018.
Additional to his clinical and research responsibilities, Mr Arumainayagam is an important figure in medical education in his role as foundation training programme director within his NHS base. He was awarded postgraduate certification in medical education from University College London in 2009 and a diploma in surgical education from Imperial College London, as well as an executive MBA with distinction from the University of Warwick in 2021. Mr Arumainayagam is also a member of the British Association of Urological Surgeons.
After qualifying in medicine from the University of Nottingham in 2000, Mr Arumainayagam underwent further training in London and Bristol. He was awarded a clinical research fellowship based at University College London Hospitals, where he formed part of a research group on minimally invasive treatment of prostate cancer. He additionally completed subspecialist training in stone surgery at Charing Cross Hospital and obtained an MD in multiparametric magnetic resonance imaging in the diagnosis of prostate cancer from University College London. He achieved the fellowship of the Royal College of Surgeons’ urology section in 2014 and was appointed as a consultant urological surgeon at Ashford and St. Peter’s Hospitals NHS Foundation Trust the following year. Offering expert care for a wide range of urological conditions, including innovative treatments for benign prostate enlargement, Mr Arumainayagam sees private patients at Nuffield Health Woking Hospital, Runnymede Hospital, GenesisCare Woking and the Syon Clinic.
Throughout his esteemed career, Mr Arumainayagam has held a number of senior positions and is currently clinical lead in the department of urology and lead cancer clinician within his NHS base. At the forefront of research in his field, he has also acted as principal investigator on a number of key clinical trials and his academic papers appear in peer reviewed journals. He is a regular speaker at important conferences of fellow urologists and has won awards throughout his career, including being the senior supervising author for the winning presentation of the Royal Society of Medicine’s Geoffrey Chisholm Communication Prize in 2018.
Additional to his clinical and research responsibilities, Mr Arumainayagam is an important figure in medical education in his role as foundation training programme director within his NHS base. He was awarded postgraduate certification in medical education from University College London in 2009 and a diploma in surgical education from Imperial College London, as well as an executive MBA with distinction from the University of Warwick in 2021. Mr Arumainayagam is also a member of the British Association of Urological Surgeons.
Clinics

The Runnymede Hospital - part of Circle Health Group
Chertsey, Guildford Street, Ottershaw, Lyne, Chertsey , KT16 0RQMedical insurances accepted
Credentials
Professional experience
- 26 years of experience
- Consultant urological surgeon, Nuffield Health Woking Hospital (present)
Subspecialties
- Adult circumcision
- Benign prostate enlargement
Professional memberships
- Member, British Association of Urological Surgeons
- Fellow, Royal College of Surgeons
Education
- B Med Sci, BMBS, Bachelor of medical sciences, bachelor of medicine, bachelor of surgery, University of Nottingham (2000)
- MRCS, Member, Royal College of Surgeons of England (2005)
Teaching posts
- Foundation training programme director, Ashford and St. Peter's Hospitals NHS Foundation Trust (2017 - present)
Positions in organisations
- Clinical lead, Department of urology, Ashford and St. Peter's Hospitals NHS Foundation Trust (2019 - present)
- Lead cancer clinician, Ashford and St. Peter's Hospitals NHS Foundation Trust (2017 - present)
Publications and conferences
- You can see some of Mr Arumainayagam's academic work on ResearchGate.
Prizes and awards
- Geoffrey Chisholm Communication Prize for Best Presentation, Prostate Cancer Litigation in the UK, Royal Society of Medicine (2018)
- Simpson Smith Travel Fellowship Award, Imperial College London (2014)
Languages spoken
- English
Registration number: 4713476
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
- Nimalan was excellent. Made me feel at ease with personal problems, prescribed appropriate medication following up with feedback on progress adapting medication when necessary until we got the right answer. Also discussed potential future options should alternative solutions
- I had a referral with Mr. Arumainayagam from a BUPA heathcheck. He explained clearly and simply what was going to happen and the results of the tests. He was very reassuring and gave me confidence in the tests and the results.
- Very approachable and provided clear professional advice
- He takes time to listen you and consider your inputs, and get himself clearly explained. It is great.
- Mr Nim was kind, considerate and caring. He explained everything that would happen so that I could easily understand. He puts you at ease, doesn't rush, answered all my questions, and is very thorough. I recommend him to everyone.
- Strongly recommend Mr Arum. Really appreciated his patient and calm demeanour and explaining things to me as he did. Thank you