Medical specialists – Top Doctors UK
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Professional statement

Mr Harry Petrushkin is a consultant ophthalmic surgeon based in London, who specialises in uveitis, medical ophthalmology and cataract surgery in adults and children. He privately practices at Moorfields Private Eye Hospital and the International and Private Care Centre at Great Ormond Street Hospital for Children, while he is also a consultant in the NHS at the same centres.

Mr Petrushkin is a leading name in ophthalmology and has a subspecialist interest in Behcet's Disease, birdshot chorioretinopathy, tuberculosis and sarcoidosis. He carries out routine and complex cataract surgery and implants both monofocal and toric intraocular lenses. Mr Petrushkin is highly qualified, possessing a degree in medicine from the University of Cambridge, an MBBS in Medicine from King's College London and a PhD in Immunogenetics from Queen Mary University of London.

Mr Petrushkin has also undertaken international training in the United States. He worked alongside leading professionals at the Francis Proctor Eye Institute in San Francisco, California, the Casey Eye Institute in Portland, Oregon and the Massachusetts Eye Research and Surgery Institute, Boston, Massachusetts. His clinical research is highly respected, having featured in various peer-reviewed journals, while he is an active member of the Royal Society of Medicine (RSM), the British Society of Immunology (BSI) and a fellow of the Royal College of Ophthalmologists.

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Dr Tom C Dawson is a leading consultant paediatrician specialising in allergies, who treats patients privately in Birmingham and Worcester. With over 20 years of experience, Dr Dawson is an expert in the diagnosis, treatment, and management of food allergies, eczema, allergic rhinitis, asthma, and urticaria. Also, he specialises in the administration of immunotherapy.   
  
After earning his bachelor's degree in medicine and surgery from University College, London, Dr Dawson completed junior training, junior paediatric training, and advanced paediatric training in numerous leading hospitals across the country. As a result, he gained specialist experience in allergy and infectious disease, hepatology, rheumatology, and paediatric intensive care. He also completed a year-long position as a clinical fellow and then acting clinical lecturer researching the Meningococcal B vaccine. In 2014, Dr Dawson was awarded his master of science in allergy from Imperial College London.  
 
Since 2009, Dr Dawson has held a position as a consultant paediatrician at the Worcestershire Acute Hospitals NHS Trust. During this period, he has developed and led the trust's paediatric allergy services, establishing diagnostic services and provision of immunotherapy. Additionally, Dr Dawson treats patients privately at MidlandHealth, Birmingham, where it is possible to book a consultation with him on Friday or Saturday mornings, and at Barbourne Health Centre, Worcester. Consultations with Dr Dawson last 45 minutes with testing, or 30 minutes without.    
  
Alongside his clinical work, he is the chair of both the Three Counties Allergy and the Midlands Paediatric Allergy Groups.  He remains actively interested in research and has links with Worcester University and is the hospital’s lead paediatric researcher. He has contributed to meetings, both nationally and internationally. He is a member of various renowned bodies, such as his membership of the Royal College of Paediatrics and Child Health (MRCPCH) and the British Society for Allergy and Clinical Immunology (BSACI). He forms part of the BRIT committee overseeing the BRIT registry responsible for monitoring the efficacy of immunotherapy nationwide, and the RCPCH/BSACI Standards Group, which develops national standards for paediatric allergy services. 

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​Dr Oliver Guttmann is the Consultant Cardiologist for Inherited and Inflammatory Cardiovascular Diseases and Interventional Cardiology at St Bartholomew’s Hospital, the Wellington Hospital and Golders Green Outpatients and Diagnostics Centre, all located in London. He is also an Honorary Associate Professor at University College London.

Dr Guttmann sees patients related to all areas of adult cardiology (high blood pressure, high cholesterol and palpitations) for which he has a special interest in chest pain/angina management and coronary intervention, including  angiography and stenting. Dr Guttmann also specialises in inherited cardiac conditions, especially hypertrophic cardiomyopathy and the management of myocarditis.

Dr Guttmann studied medicine at Cambridge University and University College London. Following this, he was awarded both his membership of the Royal College of Physicians and Dr.med qualification from the Ludwig-Maximilians-University in Munich, Germany in 2008.

His research in atrial fibrillation and stroke in hypertrophic cardiomyopathy, which was funded by the British Heart Foundation, gained him his MD (Res) degree from the University College London in 2016. Dr Guttmann completed his cardiology training at the London Chest Hospital, Heart Hospital and Barts Heart Centre in 2017.

He publishes routinely in peer-reviewed journals and book chapters and has written medical articles on inherited inflammatory heart muscle disease, risk stratification in cardiomyopathy and outcomes after percutaneous coronary intervention. He is the Clinical Lead of the Coronary Care Unit at Barts Heart Centre and is a member of the British Cardiovascular Intervention Society and the Working Group on Pericardial and Myocardial Disease of the European Society of Cardiology.

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Mr Shyamsunder Kolvekar is a globally-renowned consulant cardiothoracic surgeon based in central London. He specialises in coronary arterial bypass grafting, valve repair and aortic valve replacement alongside chest wall deformities and lung cancer. He privately practices at The Harley Street Clinic, Barts Heart Centre at St Bartholomew's Hospital and The Royal Free London Hospital Private Patients. He also works at The Wellington Hospital.

He is an internationally-recognised surgeon for the adult NUSS procedure that treats pectus excavatum (a condition where the breastbone is sunken into the chest). Mr Kolvekar prides himself in innovative new techniques for this treatment, allowing for better pain control and reduced risk from surgery. 

Other specialist interests of Mr Kolvekar include open beating-heart surgery, cardiac arrhythmias and minimally-invasive cardiac surgery. He is also interested in ischaemic pre-conditioning of the heart and has thoracic practice in pneumothorax and pleural effusion.

Mr Kolvekar is highly qualified and is a senior lecturer at University College London. He lectures and teaches the NUSS procedure and connate minimally invasive surgery to surgeons from across the world. He also has research published in various international peer-reviewed journals and books. Furthermore, he also the medical advisor for the BBC hit series Holby City, making sure all the terms and scenarios are correct.  

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Ms Nefer Fallico is a consultant plastic surgeon based in London, specialising in cleft lip and palate alongside facial, skin and cosmetic surgery. 

She offers private cosmetic procedures in central and south London at Dottore London and Enhance Medical Group. In addition, she is a consultant cleft and plastic surgeon for the NHS at Spires Cleft Centre. 

As an experienced, fully-accredited plastic and reconstructive surgeon, she is on the specialist register of the General Medical Council (GMC) for plastic surgery. 

She is a full member of the British Association of Plastic, Reconstructive and Aesthetic Surgeons (BAPRAS), Craniofacial Society of Great Britain and Ireland (CFSGBI) and Italian Medical Society of Great Britain (IMSoGB). 

Ms Fallico has an esteemed MD from Sapienza University of Rome, Italy, and she went on to specialise in plastic, reconstructive and aesthetic surgery at the same institution, graduating in 2017 with a double distinction.

She continued her training with a dedicated fellowship in cleft lip and palate surgery at Guy's and St Thomas' Hospital in London.

During her career she has been recognised for her work, receiving numerous prizes and awards. Most recently she won the PRS Best Craniofacial Paper Award 2021 from the leading journal Plastic and Reconstructive Surgery (PRS).  
 
Alongside her impressive academic and career record, Ms Fallico is dedicated to clinical research, regularly presenting at international conferences and authoring papers in scientific journals.

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Dr Olga Kapellou is a renowned Consultant Paediatrician and Neonatologist operating in the London area. Her areas of expertise include general paediatrics, newborn physical examinations, child constipation and diarrhoea, rashes in babies and coughing and breathing problems. She is also an expert in preterm and term neonatal brain injury as well as follow-up after complicated pregnancies.

Dr Kapellou graduated from the National Capodistrian University of Athens in 1995. She then was awarded an MD by Imperial College London and went on to specialise in some of the UK’s most prestigious teaching hospitals, including Great Ormond Street, St Mary’s and Hammersmith.

She has an active research interest in preterm and term brain injury, therapeutic hypothermia for perinatal asphyxia and neurodevelopmental outcomes. Her publications on the effects of prematurity on brain growth and development have been cited extensively.

As well as being a skilled consultant, Dr Kapellou is a Neonatal Life Support instructor and Unicef trained breastfeeding specialist and uses the Griffiths Neurodevelopmental Scales to track infant development in outpatient clinics. She is a highly-trained and knowledgeable professional, who offers the best possible care using the most up-to-date techniques.

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Mr Hussameddin Muntasser is a distinguished consultant ophthalmic surgeon based in Liverpool. He specialises in glaucoma, cataract surgery and minimally invasive glaucoma surgery (MIGS), alongside selective laser trabeculoplasty (SLT), trabeculectomy and YAG laser capsulotomy.

He privately practices on the private wing at Royal Liverpool University Hospital and his NHS trust is The Royal Liverpool and Broadgreen University Hospitals NHS Trust.

Mr Muntasser's academic background includes an MSc (Merit) in the Biology of Vision from University College London (UCL) and an MBChB from the esteemed University of Glasgow (2006).

As an Honorary Clinical Lecturer at the University of Liverpool since August 2022, Mr Muntasser is actively involved in shaping the future of ophthalmology. His dedication to education reflects his commitment to advancing the field.

Mr Muntasser is fluent in English and Arabic, which ensures effective communication with a diverse patient population.

For those seeking superior eye care in the Liverpool area, Mr Hussameddin Muntasser blends a wealth of experience, a commitment to education, and a focus on cutting-edge ophthalmic treatments.

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Dr Grisham Smotra is a leading consultant obstetrician and gynaecologist with over 21 years of experience who specialises in menstrual disorders, early pregnancy problems, perimenopausal and menopausal conditions, ovarian cysts, and pelvic pain. She performs and is highly proficient in both open and minimal access surgery, and also holds one-stop gynaecology clinics for hysteroscopy, post-menopausal bleeding, and early pregnancy.

Dr Smotra, who consults privately at the renowned Midland Health clinics in Birmingham and Leicester, firmly believes in giving women the voice for their own health. As a specialist, Dr Smotra supports her patients in all the stages of their treatment journey, performing a broad range of diagnostic procedures such as cervical smear, endometrial biopsy and ultrasound, as well as outpatient operative coil insertion and removal, submucous fibroids and endometrial ablation, and Word catheter for Bartholin’s cyst/abscess.

Currently, Dr Smotra serves as the early pregnancy and acute gynaecology lead at Walsall Hospital NHS Trust, where she also manages a dedicated practice. Dr Smotra earned her medical degree from Jammu University in 2003 and trained in higher specialist obstetrics and gynaecology at several leading hospitals within the West Midlands region, where developing high level of expertise in both acute and general gynaecology conditions.

Alongside her clinical practice, Dr Smotra is a recognised trainer and an accredited clinical examiner, and presently sits on the annual appraisal panel for obstetrics and gynaecology trainees. She is widely published in high-impact scientific papers and has also presented at conferences on a national and an international level. Her professional memberships, which include the Royal College of Obstetricians and Gynaecologists, reflect her prominent role in her specialty.

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Dr Stefano Bonazzi is a renowned specialist in dermatology and venereology. He has extensive experience and a career dedicated to treatment and research in the field of skin diseases. Currently, he is a dermatologist at "Praxis am Bahnhof" in Rüti-Zürich, Switzerland, a position he has successfully held since 2014,  and also offers e-consultation.
 
His career includes prestigious positions, such as being head of the emergency dermatology department in an outpatient and inpatient clinic in 2013. Prior to this, he served as chief dermatologist at the "Clinica Urgencias Dermatologicas" in Palma de Mallorca from 2010 to 2012 and as the primary dermatologist at the dermatology department of the Spanish Red Cross Hospital, also in Palma de Mallorca, from 2006 to 2012.
 
His contribution to the field of dermatology is not limited to clinical practice, but also extends to consultancy in diverse fields. He worked as a dermatological consultant for major pharmaceutical companies, with assignments related to the health registration of antibiotics in countries in the Middle East and Eastern Europe between 2000 and 2007. Furthermore, he has provided consultancy to relevant Italian companies in the chemical and cosmetics industries, contributing to the research of new product compositions, marketing impacts and ensuring the dermatological quality of current cosmetic products.
 
Dr Bonazzi also has an academic background, holding the position of professor/ teacher of dermatology and venereology at the School of Nursing in Bologna between 1987 and 1991. During this period, he shared his vast knowledge and experience with students, contributing to the training of professionals in the field of dermatology.
 
His dedication to research is evident through his fellowship in the Department of Dermatology, during which he conducted research and studies using electron microscopy and monoclonal antibodies in skin diseases such as pemphigus, cutaneous lymphomas and mycosis fungoides. He also participated in the first research into AIDS-related conditions at Memorial Sloane Kettering Cancer Center in New York in 1984.
 
Dr Bonazzi has demonstrated his versatility in the practice of dermatology, tackling unique challenges such as forensic dermatology, the diagnosis and study of patomimias, as well as the treatment of skin diseases in situations of war and chemical-biological-nuclear danger at the Padua Military Hospital in 1987.
 
His career is marked by numerous contributions in clinical, academic and industrial settings, and his continued commitment to research and education makes him a respected leader in the field of dermatology.

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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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