Polysomnography (sleep study) specialists in London

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.

The Portland Hospital is the UK's only private hospital dedicated exclusively to women and children. With over 1,300 babies delivered each year and 60,000 outpatient appointments annually, its specialist paediatric, maternity, neonatal and fertility services are delivered by expert consultants and nursing teams with a paediatric and neonatal intensive care unit on site.What medical services does it specialise in? As the UK's only private hospital exclusively for women and children, The Portland Hospital brings together specialists across a uniquely focused range of clinical disciplines: Obstetrics and gynaecology (maternity and women's health) Paediatrics and child health Fertility and reproductive medicine (including IVF services) Paediatric gastroenterology Paediatric orthopaedics Otolaryngology — paediatric ear, nose and throat (ENT) Cardiology (paediatric cardiology) Urology (paediatric urology) Dermatology (paediatric dermatology) What tests and treatments does it offer? Some of the medical tests and care services offered at The Portland Hospital include: in vitro fertilisation (IVF), antenatal care, childbirth support, caesarean section, gynaecological examination, colposcopy, neonatal surgery and fertility testing. What quality and safety standards does The Portland Hospital meet? The Portland Hospital holds a CQC Good rating. Its specialist units include a paediatric intensive care unit (PICU) and neonatal intensive care unit, staffed by experienced consultants and nursing teams with access to advanced medical technology around the clock. Where is The Portland Hospital located? 205–209 Great Portland Street, W1W, Central London. Near Great Portland Street, Oxford Circus and Regent's Park stations. On-street and metered parking available nearby.

For over 50 years, The Wellington Hospital has delivered outstanding private healthcare in St John's Wood. With more than 1,000 specialist consultants, 30 intensive care beds and a JAG-accredited endoscopy centre, it offers comprehensive care in cardiology, oncology, neurology, neurosurgery, orthopaedics, gastroenterology and gynaecology — within a campus of specialist facilities. What medical services does it specialise in? The Wellington Hospital brings together leading specialists across cardiology, medical oncology (cancer care), gastroenterology (digestive health, with a JAG-accredited endoscopy centre), orthopaedic surgery, neurology, neurosurgery, general surgery and obstetrics and gynaecology, with over 1,000 consultants across specialist multidisciplinary teams. What tests and treatments does it offer? Some of the medical tests and care services offered at The Wellington Hospital include: Cancer treatment Endoscopy (JAG-accredited centre) MRI Spinal surgery Echocardiogram Colonoscopy CT scan Cardiac screening What quality and safety standards does The Wellington Hospital meet? The Wellington Hospital holds a CQC Good rating and has served patients for over 50 years. It operates 30 intensive care beds, a JAG-accredited endoscopy centre and consultant-led multidisciplinary teams across all major specialties. Where is The Wellington Hospital located? 8A Wellington Place, St John's Wood, NW8. Near St John's Wood Underground (short walk). Street parking available in St John's Wood and Maida Vale. What other HCA Healthcare UK centres are there in Central London? Other locations within the Wellington Hospital campus include The Wellington Hospital Outpatients at Lodge Road — the largest private outpatient centre in the UK, treating over 30,000 patients each year — and Golders Green Outpatients and Diagnostics Centre on Golders Green Road, North London, providing outpatient consultations and comprehensive diagnostics.