Medical specialists – Top Doctors UK
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Dr Nick Linton is one of London's leading cardiologists. He specialises in atrial fibrillation, arrhythmia and hypertension (high blood pressure), alongside cardiomyopathy, heart attacks and heart murmurs. He privately practises at London Heart Practice, part of HCA Healthcare UK. His NHS base is Imperial College Healthcare NHS Trust.

He is dedicated to research and has a background in engineering as well as cardiology which has led to ground breaking developments in his field. He is highly qualified. Before his career in medicine, Dr Linton obtained an MA in engineering, economics and management from Oxford University, graduating with first class honours. He then studied medicine at King's College London, qualifying with a distinction in 2002. 

He also was awarded membership of the Royal Colleges of Physicians (MRCP) and trained in cardiology at Imperial College Healthcare NHS Trust (St Mary’s and Hammersmith Hospitals) and St Thomas’ Hospital. He completed a PhD at King's College London, investigating the mapping and ablation of organised atrial arrhythmias. Furthermore, he underwent training in France with Professors Haïssaguerre, Jaïs and Hocini at their leading electrophysiology unit in Bordeaux for a year. 

Dr Linton has authored a significant amount of research articles and has pioneered a new method of arrhythmia mapping that is now incorporated into the leading commercial system and routinely used at Imperial. He is also the co-inventor of Ripple Mapping, a technique that is now used internationally for treating arrhythmia patients.

Dr Linton is committed to teaching and research, working as a senior clinical lecturer in Bioengineering at Imperial College London, and carrying out research on atrial and ventricular arrhythmias funded by the British Heart Foundation.

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Dr Roberto Di Febo is a distinguished periodontist and dental surgeon renowned for his expertise in restorative dentistry, prosthodontics, complex oral rehabilitation, treatment of gingival recession with connective tissue grafts, and gum disease. He is the current director at the Italian Doctors clinic. 

With years of clinical experience and a passion for advancing dental care, Dr Di Febo has established himself as a leader in his field, offering comprehensive solutions for patients seeking functional and aesthetic oral health improvements. Dr Di Febo's educational journey reflects his dedication to excellence. After earning his dental degree from a prestigious institution, he pursued advanced training in prosthodontics and dental surgery, mastering techniques in implantology, full-mouth reconstruction, and aesthetic restorations.

His commitment to continual learning and innovation ensures his patients benefit from the latest advancements in dental science and technology. In his practice, Dr Di Febo specialises in treating complex cases that require a blend of technical skill and artistic precision. From creating lifelike dental prosthetics to performing intricate implant surgeries, he combines a meticulous approach with a deep understanding of patient needs.

His expertise extends to smile design, where he enhances both the functionality and appearance of teeth, transforming patients’ confidence and quality of life. Dr Di Febo is also deeply committed to education and research. He actively participates in academic collaborations, contributes to peer-reviewed journals, and lectures at international dental conferences, sharing his knowledge with colleagues and aspiring professionals. His work not only benefits his patients but also helps shape the future of prosthodontics and restorative dentistry.

10% discount on  1^st consultation  for new Top Doctors patients and free small X-Ray if needed

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Dr Husham Al-Shather is a highly skilled and experienced advanced cosmetic doctor (consultant specialist) in pain medicine, anaesthesia, and aesthetics who specialises in non-surgical liquid facelift, dermal fillers, botox, lip augmentation, PDO thread, PRP, as well as various different anti-ageing treatments.

To-date, Dr Al-Shather has obtained a vast amount of experience in relation to aesthetics and aesthetic medicine, and offers his patients a wide and comprehensive variety of both interventional and non-interventional treatments for patients seeking to enhance their physical features and overall appearance. Since joining The Royal Berkshire NHS Foundation Trust as a consultant in pain management, Dr Al-Shather has developed an excellent reputation when it comes to providing patients with optimal clinical care. Thus far in his medical career, he has distributed numerous amounts of injections and a whole host of procedures with no reports of infection, major complication nor readmission to hospital.

He provides a substantial amount of advanced cosmetic treatments, with the main ones including botox injections, Platelet Rich Plasma (PRP), dermal fillers, profhilo, skin boosters, non-surgical facelift, PDO thread facelift, botox for excessive sweating (hyperhidrosis), hand and neck rejuvenation, fat dissolving injection, botox for migraine and persistent headaches, botox for TM joint pain and bruxism, as well as radiofrequency treatment for skin rejuvenation. Dr Alshather has achieved comprehensive training in Botox and Fillers and qualified in Aesthetic Medicine from the Harley Academy, the largest postgraduate Aesthetic Medicine provider in the UK.

He successfully completed higher specialist training at Guy's and St Thomas' Hospitals in London, and undertook his training in advanced pain at St George's Hospital and Ashford & St Peter's Trust prior to completing further training in regional anaesthesia at Queen Victoria Hospital. He is a Fellow of the Royal College of Anaesthetists

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Dr Khalid Khan is a consultant cardiologist and general medicine specialist whose areas of expertise are in cardiovascular medicine. He specialises in cardiac arrhythmias, heart failure, angina, cardiomyopathies, and other forms of coronary heart disease, valve disease and inherited cardiac conditions as well as sudden death and high blood pressure, cardiac risk assessment and screening. He has considerable expertise in the assessment and management of patients with chest pain, palpitations, breathlessness, dizziness blackouts, or loss of consciousness.

Dr Khan graduated from St John’s College, Cambridge in 1994 and further trained in Newcastle, Cambridge, and Leicester. He completed his specialist training in both cardiology and general internal medicine in Liverpool.

Dr Khan is an honorary lecturer at Cardiff University and a visiting lecturer at several other universities. He is involved in both undergraduate and postgraduate medical education in the UK and abroad. He is a well established expert witness both in the UK and internationally and regularly gives evidence in civil, criminal, coroner, tribunal, and disciplinary cases as well as undertaking independent reviews for Trusts and the Health Ombudsman.

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Dr David Shortland is a highly-experienced consultant paediatrician based in Bournemouth who treats children with all types of medical problems. His areas of expertise lie in all aspects of general paediatric care including respiratory problems, urinary abnormalities, gastro-oesophageal reflux, headaches and abdominal pain.

Dr Shortland has over 30 years' of experience as a consultant diagnosing and treating children. He currently practises privately at Nuffield Health Bournemouth Hospital. Alongside his NHS duties, he has also had significant national roles, developing policies and setting important standards for paediatric services across the UK.

After training in Bristol, Great Ormond Street, Leicester and Nottingham hospitals, he became accredited in general paediatrics and neonatology. He was the neonatal clinical lead for 10 years and a clinical director for 15 years at Poole Hospital.

In addition to his consultancy position, Dr Shortland has had senior roles in the Royal College of Paediatrics and Child Health. These have included the National Workforce Officer, the Vice President for Health Policy and the Clinical Lead for the National Invited Review service. As a member of both the Neonatal Society and the Paediatric Society and as part of his NHS and research posts, he has published extensively in many paediatric and neonatal medical journals.

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Mr David Bell is a London-based neurosurgeon who specialises in complex spinal surgery. His NHS practice is King’s College Hospital where he is a key part of the supra-regional complex spine team, he also operates at a number of prominent private clinics including HCA UK at The Shard. His specialist interests are degenerative spinal disease, minimally invasive spine surgery (MISS), disc replacement surgery, vertebroplasty/kyphoplasty, back pain surgery, spinal tumours and spinal fractures. Mr Bell strongly supports a multidisciplinary approach to all disorders of the spine and regularly leads MDT (medical diagnosis and therapy) spine and neuro-oncology meetings.

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Mr Mark Dunbar is a leading consultant orthopaedic surgeon based in the Birmingham area who specialises in treatment of the knee. His areas of expertise include knee replacement, knee arthroscopy and knee ligament surgery.

Mr Dunbar graduated with his medical degree from the University of Oxford and pursued both his early and his specialist trauma and orthopaedic training in the West Midlands. He is active in research and completed his PhD at the University of Warwick in 2009. As an honorary associate professor at the university, his research work continues and Mr Dunbar prides himself on being able to use the highest quality of evidence available to inform the decision making in his clinical practice.

Mr Dunbar returned to Oxford for knee fellowship training where he was able to focus his expertise so that his practice was exclusively based on problems affecting the knee, offering clinics and performing operations in both Solihull and Sutton Coldfield.

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Mr Billy Wong is an esteemed consultant ENT, head and neck, thyroid, and parathyroid surgeon based in Ipswich, who specialises in head and neck cancer, thyroid disorders, parathyroid surgery, salivary gland surgery, alongside endoscopic sinus surgery and voice disorders. He privately practises at Nuffield Health Ipswich Hospital, while his NHS base is East Suffolk and North Essex NHS Foundation Trust.

With qualifications including MBBS, DOHNS, MRCS (ENT), and FRCS (ORL-HNS), Mr Wong is dedicated to providing comprehensive care to his patients. His sub-specialty in benign and malignant head and neck pathology is underscored by completion of the Advanced Head and Neck/Thyroid/Robotic Oncology Fellowship at Queen Alexandra Hospital, Portsmouth. He serves as a core member of the Head and Neck MDT and Thyroid MDT at his NHS trust, ensuring multidisciplinary collaboration for optimal patient outcomes.

Mr Wong's commitment to advancing the field of ENT is evident in his active involvement in research. As the principal investigator for nationally-run multi-centred randomised controlled trials, he contributes to shaping the future of ENT treatment.

Additionally, he has received recognition for his scholarly contributions, with multiple prizes and awards from prestigious institutions such as the Royal Society of Medicine, and he is a member of The Royal College of Surgeons of England.

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Mr Pedro Oliveira Castanho is a highly regarded consultant neurosurgeon based in London with specialist expertise in the diagnosis, management and treatment of neurovascular conditions (neurovascular malformation), skull base conditions, and brain tumours. With over 20 years of experience, he is also highly proficient in degenerative spine and peripheral nerve entrapment syndromes and tumours, as well as in performing bypass surgery and pituitary surgery.

Mr Oliveira Castanho, who consults privately at the renowned Queen Square Radiosurgery Centre, earned his medical degree from the University of Coimbra in 2002. He undertook his higher specialist training at the distinguished Central Lisbon University and Hospital Centre and later went on to accomplish state-of-the-art training across the different domains of neurosurgery at the most reputed centres in the UK, USA, Germany, Finland, and Brazil.

As an expert in Leksell Gamma Knife radiosurgery, Mr Oliveira Castanho is also particularly trained in minimally invasive and endoscopic surgery to manage lesions in the brain, using advanced precision techniques to preserve healthy tissue. Worldwide, Mr Oliveira Castanho is one of the few pioneers in the use of exoscopic surgery, a new technique employed in lateral skull-base surgery that combines endoscopic and microscopic approaches.

Beyond his accomplished clinical practice, Mr Oliveira Castanho remains actively involved in advancing the field of neurosurgery. He regularly offers courses on the management of cervicobrachialgia, spondylotic myelopathy and posterior fossa tumours, and as a prominent figure in his specialty, he has also acted as a co-ordinator for a number of high-impact peer-reviewed publications. Furthermore, Mr Oliveira Castanho holds an honorary senior clinical lecturer position at University College London, where he provides both undergraduate and postgraduate teaching.

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Dr Rachel Farrell is a consultant neurologist at the Cleveland Clinic London Hospital. She has special interest in neurological rehabilitation, cerebral palsy, multiple sclerosis, spasticity, stroke, and other aspects of neurodisability.

Dr Farrell completed her undergraduate medical studies at the National University of Ireland, and undertook her general medical and early specialist neurology training in Ireland. She moved to the UK in 2004 to pursue her PhD on multiple sclerosis and neuroimmunology at the University College London Institute of Neurology. She completed a fellowship in neurorehabilitation to further hone her expertise, shortly before her appointment as a consultant neurologist at the National Hospital for Neurology and Neurosurgery in Queen Square.

Dr Farrell offers many neurorehabilitation services for patients with neurological conditions due to injury, stroke, movement disorders, inflammatory conditions, and cerebral palsy. She is particularly interested in walking impairment and spasticity management, utilising techniques such as Botox and intrathecal therapies.

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