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The Devonshire Diagnostic Centre offers fast, personalised diagnostic care in Marylebone, open six days a week. Same-day appointments and results within 48 hours are standard. World-renowned consultants and trained radiographers carry out multiple tests in one visit, with minimally invasive treatments available on the same day when clinically appropriate.What medical services does it specialise in? The Devonshire Diagnostic Centre at The Harley Street Clinic brings together specialists across a focused range of disciplines, each supported by advanced diagnostic technology. Breast care is also available, with specialist assessment provided to patients as required. Cardiology (cardiac care and investigations) Otolaryngology — ear, nose and throat (ENT) Endocrinology and diabetes care Medical oncology (cancer treatment) Orthopaedic surgery Urology Vascular surgery What tests and treatments does it offer? Some of the medical tests and care services offered at Devonshire Diagnostic Centre include: digital X-ray, MRI, CT scanning, cancer screening, cystoscopy and diagnostic ultrasound. What quality and safety standards does Devonshire Diagnostic Centre (HCA) meet? The Devonshire Diagnostic Centre holds a CQC Good rating. Its clinical radiologists are qualified doctors intensively trained to perform and interpret medical imaging. The centre supports seamless onward referral within the HCA UK network for complex or specialist care beyond diagnostics. Where is Devonshire Diagnostic Centre (HCA) located? 13–19 Devonshire Street, Marylebone, W1G. Near Great Portland Street and Warren Street stations (10 min walk). On-road metered parking nearby. What other HCA Healthcare UK centres are there in Central London? The Harley Street Clinic — Located at 35 Weymouth Street, Marylebone. The Princess Grace Hospital — Full-service private hospital on Nottingham Place, Marylebone. The Princess Grace Hospital Outpatients — Outpatient and diagnostic centre at 30 Devonshire Street. Women's Health Centre (HCA) — Specialist women's health services on Harley Street. Leaders in Oncology Care (LOC) — Specialist cancer care centre on Harley Street.

Based at the Platinum Medical Centre in St John's Wood, The Wellington Hospital Outpatients is the largest private outpatient centre in the UK, treating more than 30,000 patients every year. Across 38 consulting rooms and a 10-bed day surgery centre with four operating theatres, it provides rapid access to specialist consultants, comprehensive diagnostics and a dedicated One-Stop Breast Clinic — with results in as little as 48 hours.What medical services does it specialise in?The Wellington Hospital Outpatients brings together leading specialists in orthopaedic surgery, gastroenterology (digestive health), neurosurgery, medical oncology (cancer care), obstetrics and gynaecology (women's health) and physical medicine and rehabilitation (physiotherapy). Breast care services are also provided through a dedicated Breast Care Unit with a One-Stop Breast Clinic.What tests and treatments does it offer?Some of the medical tests and care services offered at The Wellington Hospital Outpatients include:MRI CT scan Ultrasound Mammography Digital X-ray (walk-in X-ray service) PET-CT scan One-Stop Breast Clinic Endoscopy What quality and safety standards does The Wellington Hospital Outpatients meet?The Wellington Hospital Outpatients holds a CQC Good rating. As the largest private outpatient centre in the UK, it delivers consultant-led specialist care with results in as little as 48 hours, supported by a full diagnostic imaging suite and a 10-bed day surgery centre.Where is The Wellington Hospital Outpatients located?15–17 Lodge Road, St John's Wood, NW8. Near St John's Wood tube (10 min). A campus shuttle bus links to The Wellington Hospital main building and other campus locations.What other HCA Healthcare UK centres are there in Central London?The Wellington Hospital Outpatients is part of the Wellington Hospital campus. Other campus locations include The Wellington Hospital at 8A Wellington Place, providing inpatient care, 30 intensive care beds and a full range of surgical facilities, and Golders Green Outpatients and Diagnostics Centre on Golders Green Road, North London, serving patients across the wider North London area.