Professor Vassilis Hadjianastassiou
Vascular, General, and Transplant Surgeon Appointment subject to confirmation
Appointment subject to confirmation


The 78 Harley Street clinic is a renowned healthcare facility located in the heart of London's prestigious medical district. With a reputation for excellence in patient care and medical expertise, the clinic offers a comprehensive range of specialist services across various medical disciplines, including cardiology, dermatology, orthopaedics, urology, and more. At 78 Harley Street, patients can expect personalised care delivered by a team of highly skilled consultants, nurses, and support staff who are committed to providing the highest standards of medical care. The clinic boasts state-of-the-art facilities and equipment, ensuring that patients receive the latest diagnostic and treatment options tailored to their individual needs. Whether seeking preventive health screenings, diagnostic evaluations, or advanced treatment options, patients can trust the expertise and experience of the consultants at 78 Harley Street. The clinic is dedicated to delivering compassionate, patient-centered care in a comfortable and welcoming environment, with an emphasis on communication, education, and support throughout the patient journey.


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.
Appointment subject to confirmation



