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Mr Osama Naji

MBChB MD MRCOG, Clinic Director

Mr Osama Naji is a Consultant Gynaecologist at Guy’s and St Thomas’ Hospital since January 2020, he leads the Cancer Rapid Diagnostics Clinic at Guy’s Cancer Centre. He works in a leading tertiary organisation that was ranked #1 in the UK and #44 in the world.

Renowned for his kind, approachable demeanour. Mr Naji has a wealth of experience in the early detection of gynaecological pre-cancerous conditions through advanced, outpatient facilities using ultrasound, hysteroscopy and colposcopy, with the aim of reducing the need to perform major surgery. He is an expert in the field of ultrasound-guided minimally invasive procedures to treat menopause, infertility, early pregnancy, and emergency gynaecological conditions.

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Osama qualified from Baghdad, Iraq and completed his specialist training at centres of excellence in London and the West Midlands. Academically, he attained a Medical Doctorate in Research from the prestigious Imperial College London, for pioneering novel methods in assessing incomplete caesarean section scar healing by ultrasound and its subsequent effects on early pregnancy, infertility and menstrual bleeding abnormalities.

He is an accomplished author and has several publications in the field. He currently leads on several research studies and serves as a faculty member and speaker for a number of national and international societies and conferences in both the UK and the Middle East.

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Training, Qualifications & Accreditations

  • MBChB Baghdad 2004

  • Diploma of Faculty of Sexual and Reproductive Health, London 2009

  • MD Research Imperial College London 2013

  • MRCOG London 2015

  • Trans-vaginal Ultrasound (Level III Expert) RCOG accreditation 2018

  • Diagnostic and Operative Hysteroscopy RCOG Accreditation 2019

  • Mary-Seacole Leadership Award 2019

  • Certificate of Completion of Training (CCT), General Medical Council, 2020

  • UK Colposcopy Accreditation 2020

  • Appointed Consultant at Guy’s and St Thomas’ Hospital 2020

  • Appointed Consultant for Cancer Diagnostics at Guy’s Cancer Centre 2021

Mr Osama Naji

Mr Naji’s patients describe him as a kind, safe and sympathetic consultant. He has always adopted the most up-to-date diagnostic technologies in women’s health.


As a result of his commitment to providing modern care, Mr Naji’s patients glean the benefits of his excellent clinical management with the fast diagnosis, lower risk of complications and a faster recovery.

Mr Naji is approved by all major medical insurers

Aetna Private Medical Health Insurance
Allianz Private Medical Health Insurance
Rylon Clinic Private Health Insurance
AXA Health Private Health Insurance at Rylon Clinic
BUPA Private Medical Health Insurance
Cigna Private Medical Health Insurance
Aetna Private Medical Health Insurance
healix Private Medical Health Insurance
Vitality Private Medical Health Insurance

Professional Affiliations

The Ectopic Pregnancy Trust Logo
European Society for Gynaecological Endoscopy Logo
British Fertility Society Logo
Royal College of Obstetricians & Gynaecologists Logo
British Menopause Society Logo
Miscarriage Association Logo
The European Society of Human Reproduction and Embryology Logo
The British Society for Coloposcopy & Cervical Pathology Logo
British Gynaecological Cancer Society Logo

Clinic Locations

Mr Naji runs his clinic from different locations, and you can find specific location details and directions below.

The Harley Street Clinic

Devonshire Diagnostic Centre

16 Devonshire Street

London W1G 7AF

Rylon Clinic at Harley St Clinic 16 Devonshire St, London, England UK

Nine Elms and Battersea Outpatient Diagnostic Centre

12 Charles Clowes Walk

London SW11 7AD

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HCA at The Shard

The Shard, HCA Healthcare UK

32 St Thomas St, London SE1 9BS

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