Professor Jemima Mellerio
Consultant Adult and Paediatric Dermatologist Appointment confirmed instantly
Appointment confirmed instantly
Appointment subject to confirmation


108 Harley Street Medical is a multi-disciplinary centre which strives to deliver excellent patient care with focus on compassion, respect, and integrity based in London. The medical centre is comprised of:The Breast Clinic The Skin Clinic The Gilmore Groin and Hernia Clinic The Women's Health Clinic The Rectal Clinic The Prostate Clinic The Men's Health Clinic X-ray and imaging Day Surgery Centre By providing all the above services, 108 Harley Street Medical is able to provide care, choice, and support throughout their patients' journeys. The clinic is registered with the Care Quality Commission (CQC) as a division of 108 Medical Ltd.


Located in the heart of Chelsea, Sydney Street Outpatients is a purpose-built private outpatient and diagnostic centre. Across four floors of consulting rooms and treatment suites, it houses 13 dedicated chemotherapy bays, an on-site pharmacy and a full blood laboratory — enabling diagnosis and treatment in one visit. Appointments are confirmed within 24 hours with results in as little as 48 hours.What medical services does it specialise in? At Sydney Street Outpatients, consultant-led specialist care is delivered across a focused range of disciplines in a purpose-built setting: Dermatology (skin conditions and dermatological treatment) Otolaryngology — ear, nose and throat (ENT) Endocrinology and thyroid medicine Haematology (blood disorders and blood cancers) Medical oncology (cancer care via Leaders in Oncology Care) Ophthalmology (eye care) Oral and maxillofacial surgery Rheumatology Gastroenterology (digestive system care) What tests and treatments does it offer? Some of the medical tests and care services offered at Sydney Street Outpatients and Diagnostics Centre include: chemotherapy, cancer treatment, immunotherapy, blood testing (full blood laboratory on site), PET-CT scan, eye examination, gastrointestinal endoscopy and dermoscopy.What quality and safety standards does Sydney Street Outpatients and Diagnostics Centre meet? Sydney Street Outpatients holds an Outstanding CQC rating. Consultant-led multidisciplinary teams work alongside an on-site pharmacy and full blood laboratory, providing continuity from initial diagnosis through to treatment within a single, purpose-built centre. Where is Sydney Street Outpatients and Diagnostics Centre located? 102 Sydney Street, SW3, Chelsea. Sloane Square (Circle/District) is 15 min walk, South Kensington (Piccadilly) is around 20 min. On-street parking available nearby.What other HCA Healthcare UK centres are there in Central London? HCA Healthcare UK also operates The Lister Hospital on Chelsea Bridge Road, SW1, and the Chelsea Outpatients Diagnostic Centre on King's Road, SW3, both serving patients across Central and South West London.


Functional Doctors is a welcoming and patient-focused functional medicine clinic that provide online consultations, led by Dr Nicki Gill and Dr Meera Rajah. Combining their extensive experience as NHS General Practitioners with specialist training in functional medicine, they passion is in holistic care with particular focus on gut health, nutrition, and hormone imbalance. Their approach prioritises identifying and addressing the root causes of illness, offering personalised, evidence-based strategies to support long-term wellness.At the heart of their practice is the philosophy of treating the whole person, not just the symptoms. Using a systems-oriented approach, which looks at how different biological processes interact and affect each other, they assess each patient’s unique genetic, environmental, and lifestyle factors to create tailored treatment plans. From gut microbiome testing and nutritional profiling to hormone and methylation assessments, they integrate advanced functional medicine techniques with conventional medical expertise to optimise health and prevent disease.Dr Gill and Dr Rajah are committed to empowering patients through education and collaboration. By explaining results in-depth and recommending simple, practical steps, they help individuals make meaningful changes to improve energy, immunity, and overall well-being. Their dedication to a personalised, patient-led approach ensures that every consultation supports both immediate health concerns and long-term vitality.What medical services does the clinic offers specialise in?The Functional Doctors virtual clinic specialises in functional medicine, providing personalised, holistic care for complex and chronic health conditions, with a strong focus on hormonal, metabolic and immune-related disorders.They support patients with the following health concerns:Weight gain despite diet and exercise Gut health Low mood that won't shift Child health and development Autoimmune worries Subfertility concerns Where is Functional Doctors located?Functional Doctors is a virtual clinic, and offers their consultations online. Dr Gill and Dr Rajah work together at Functional Doctors, so the appointment may be with either doctor. If you have a preference please include this information in your booking request, or call directly on 0203 488 2349.
Appointment confirmed instantly
Appointment subject to confirmation





