Medical specialists – Top Doctors UK
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Professional statement

Dr Jaime Jonsson is a leading consultant clinical psychologist. Her areas of expertise include stress and burnout, anxiety disorders (including panic attacks, obsessive compulsive disorder, and social anxiety), trauma, depression and mood disorders, relationship problems, and grief. She is able to provide consultations in English and in Swedish.

Dr Jonsson, who consults privately via e-Consultation, is registered with both The Health and Care Professions Council and the IHPU Swedish Psychology Institute. She holds a BSc in Psychology from Northumbria University, and also holds a Master of Philosophy and a Doctorate in Clinical Psychology from the University of Newcastle-upon-Tyne, where she specialised in cognitive behavioural therapy and psychodynamic psychotherapy.

As a trusted specialist, Dr Jonsson draws upon a wide range of therapeutic modalities, including eye movement desensitisation and reprocessing therapy, acceptance and commitment therapy, as well as compassion focused therapy and systemic approaches, to address mental health concerns effectively. She believes in the power of active listening, patience, and understanding to build a strong therapeutic and safe relationship, supporting her patients on their journey towards healing and personal growth.

HCPC register: PYL25262

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Mr Ravindran Ranjith is a leading consultant trauma and orthopaedic surgeon in London, Brentwood and Southend-on-Sea  who specialises in knee replacement surgery, including partial and full replacements and revision surgery.

Mr Ranjith is also an expert in hip replacement and in arthroscopy of the knee and ankle, including ACL reconstructions and cartilage regeneration procedures like micro-fracture and stem cells. He undertakes forefoot reconstruction and ankle surgery on a regular basis. 

Mr Ranjith completed his postgraduate training in England (Liverpool, Bournemouth, Harrogate), Ireland and the USA, and was subsequently awarded fellowships in adult spine at the Cleveland Clinic, USA and knee surgery at the Royal Bournemouth hospital as well as Basildon and Thurrock University Hospitals. Notably, in 2008, he was awarded a travelling fellowship that took him to centres of excellence in Germany. Mr Ranjith has, to date, published an extensive amount of book chapters and papers in peer-reviewed journals

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Mr Kelvin Chong is a highly-skilled oncoplastic breast surgeon based in Central London, Central London, Hertfordshire and Buckinghamshire, who specialises in breast cancer surgery, breast reconstruction and breast reduction alongside fat grafting, breast cancer risk calculation and management and post-breast cancer treatment rehabilitation.
 
He privately practises at GenesisCare Cromwell Hospital, Spire Bushey Hospital and OSD Healthcare, as well as GenesisCare Milton Keynes. His NHS base is West Hertfordshire Hospitals NHS Trust. He runs a rapid access clinic at each of these hospitals and can often provide patients with a same day diagnosis.

Mr Chong is a graduate of the University of Glasgow. He completed surgical training at St George’s Hospital, London, where he also conducted clinical research investigating the effects of growth factors on breast cancer. He was awarded an MD for this research by the University of London. He completed his advanced surgical training in London, including at the Royal Marsden Hospital and Royal Surrey County Hospital (Guildford), before embarking on fellowships in Dusseldorf and Lyon, working with breast surgeons and plastic surgeons at the forefront of their fields.
 
As an oncoplastic breast surgeon, he combines both effective cancer surgical techniques and the best plastic surgical techniques to achieve favourable oncological and impressive cosmetic results. In addition to standard breast oncological surgery (mastectomy and lumpectomy), his oncoplastic techniques include breast reconstruction, breast reduction, augmentation, therapeutic mammoplasty and arterial perforator-flaps to enable breast-conserving surgery (and reduces the need for mastectomy). His operative portfolio also includes fat grafting for reconstructions, repair of lumpectomy defects and breast augmentation.
 
Mr Chong also runs a breast cancer risk assessment service via virtual online consultation, where he uses the latest evidence-supported statistical software for breast cancer risk assessment using breast density and genetic testing. He is able to provide patients tailor-made recommendations on how to manage their breast cancer risk and also how whether patients can safely commence on Hormone Replacement Therapy.
 
His research interest includes using clinical use of measuring breast density and post-breast cancer treatment rehabilitation. He is currently conducting research on using scar therapy for breast cancer patients at Mount Vernon Hospital and runs collaborative projects with RESTORE group to develop Scarwork therapy for breast cancer patients in the UK. Furthermore, he is studying new pain-relieving techniques for post-breast surgery pain syndrome (PBSPS). For more information about Mr Chong, please visit his website. 

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Mr Chetan Bhan is a distinguished consultant colorectal surgeon located in London. Renowned for his expertise in general surgery and advanced colorectal procedures, Mr. Bhan focuses on treating conditions such as colorectal cancer, inflammatory bowel disease, minimally invasive surgery, pelvic surgery, rectal surgery, and hernias.
 
Dedicated to offering state-of-the-art care to his patients, Mr. Bhan specialises in advanced minimally invasive techniques and single incision laparoscopic surgery (SILS), which not only shorten recovery periods but also reduce scarring associated with surgery.
 
Mr Bhan serves as the clinical lead for the colorectal service at the Cleveland Clinic London, where he also spearheads the development of robotic colorectal surgery. Performing over 100 procedures annually, he maintains a robust practice across various areas.
 
In addition to his clinical duties, Mr Bhan holds a prominent leadership role within the NHS, overseeing general surgery and colorectal cancer initiatives across the North Central London Integrated Care System, which includes esteemed institutions like University College London and Royal Free London Hospital. As a pioneer and clinical leader, he spearheads the advancement of the SILS colorectal service at the Whittington Hospital in London. His extensive training took place at renowned centres in London and Sydney, Australia.

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Dr Jude Oben is a leading consultant hepatologist based in London who holds additional consultant appointments in gastroenterology. His areas of hepatology expertise include autoimmune liver disease, primary biliary cholangitis, primary sclerosis cholangitis, hepatocellular cancer, obesity, non-alcoholic fatty liver disease (NAFLD), abnormal liver function test and endoscopy and metabolic endoscopy (Intra-gastric balloon) for weight loss.

Dr Oben has a PhD in Pharmacology from University College London. He studied Medicine at Oxford with a period at Stanford University, Palo Alto, USA, as a research fellow in Immunology. After Oxford, his initial Postgraduate Medical training was at the Hammersmith Hospital, Imperial College London, followed by training in Ophthalmology (Eye Surgery) which he left for Hepatology (Liver Medicine). During his specialist medical registrar training, he re-oriented his research career with two years as a postdoctoral fellow at John Hopkins University, USA.

At Johns Hopkins, Dr Oben combined his previous interest in neuroscience with liver medicine, with a particular focus on obesity-related liver disease (NAFLD). After his time at John Hopkins, he was awarded a Wellcome Trust Fellowship in London to start independent research at University College London. He is currently an Associate Professor in Hepatology at University College London, Institute for Liver and Digestive Health, Royal Free Hospital, London.

Dr Oben is a co-founder and Trustee of the Obesity Action launched at the House of Lords. The primary aim of Obesity Action is to raise political and public awareness of obesity and it’s health consequences. He is an invited member of the All-Party Parliamentary Group on Obesity.

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Mr Adam Ajis is a highly-experienced consultant orthopaedic surgeon with specialist interest in the treatment of foot and ankle disorders using the latest surgical and non-surgical techniques. Practising across clinics in Worthing, Brighton, and Chichester, Mr Ajis treats both routine and complex conditions, including bunion surgery, sports injuries, foot deformities such as cavus foot and flat foot, treatment for arthritis, and complex cases of foot reconstruction and ankle replacement.

Having undergone basic and higher surgical training in the UK, he was awarded a fellowship at the Institute for Foot and Ankle Reconstruction in the USA then undertook a further fellowship under one of the most experienced foot and ankle surgeons in the UK. With this experience, Mr Ajis introduced a number of cutting-edge techniques to hospitals in the UK.

As an honorary clinical lecturer at Brighton & Sussex Medical School, Mr Ajis is dedicated to the teaching of the next generation of surgical trainees. He regularly presents at national and international conferences, and has received numerous awards for outstanding research contributions to his field.

Mr Ajis has a friendly and relaxed approach to meeting patients and enjoys very much helping people with foot and ankle problems.

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Mr Ricci Plastow is a leading consultant trauma and orthopaedic surgeon based in London. His areas of expertise include hip replacement, knee replacement, ACL reconstruction, meniscal surgery, cartilage repair, joint preservation through osteotomy, patellofemoral stabilisation, and robotic-assisted surgery.

Mr Plastow, who consults privately at Outpatients and Diagnostics and at The Princess Grace Hospital, originally qualified with an MBBS from The University of Manchester in 2008. He completed nine years of extensive hip and knee surgery training, spanning from 2010 to 2019, before going on to accomplish two prestigious fellowships: an international fellowship in Canada in soft tissue knee sports injuries and a clinical fellowship in London in arthroplasty and robotic surgery.

With a commitment to surgical excellence, Mr Plastow also holds fellowship to the Royal College of Surgeons of England since 2017, reflecting his adherence to the best practices in the field of trauma and orthopaedic surgery. His additional roles as the training lead for the RCS robotic and digital assisted surgery division and the research lead for the British Orthopaedic Sports Trauma and Arthroscopy Association, further reflect his prominent figure in the development and the use of digital-assisted healthcare technology.

Alongside his clinical responsibilities, Mr Plastow plays an important role in the medical education of the next generation of orthopaedic professionals as well, as the lower limb teaching lead for the MSc Orthopaedic Course at University College London.

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Dr Khaled Mallek is a highly reputable consultant interventional cardiologist with an impressive background in the field of cardiology. He specialises in chest pain, shortness of breath, palpitations, high blood pressure, interventional cardiology, and coronary angioplasty. 

Dr Mallek, who is also currently a lecturer of cardiology at Ain Shams University in Egypt, successfully obtained a master’s degree in cardiology from Ain Shams University in 2005, three years after completing an MBBS from said university. His other main interests and areas of expertise include chronic total occlusions, coronary physiology, rotational atherectomy, high cholesterol, and shockwave therapy. 

Dr Mallek has notably undertaken fellowships at prestigious institutions, including Freeman Hospital, King’s College Hospital, and Guy’s and St Thomas’ NHS Foundation Trust. He actively participates in medical education and research, and to date, has been involved in a wide variety of educational programmes and conferences.

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Miss Ivilina Pandeva is a leading consultant gynaecologist in London and Cambridge who holds a sub-specialist interest in urogynaecology. She treats conditions such as primary and recurrent pelvic organ prolapse, female urinary incontinence, perineal problems and sexual dysfunction.

Miss Pandeva’s area of expertise lies within the management of female pelvic floor dysfunction, having undertaken three years of the RCOG (Royal College of Obstetricians and Gynaecologist) accredited sub-specialist training in urogynaecology and laparoscopic pelvic reconstructive surgery at Addenbrooke’s Hospital in Cambridge. 

She remains active in the research for prevention, diagnosis and treatment of pelvic floor dysfunction and has authored peer-reviewed articles and book chapters in this field. She is a member of the British Society of Urogynaecology (BSUG) training subcommittee and participates in the International Continence Society (ICS) mentorship scheme.

Miss Pandeva is passionate about improving women’s quality of life and self-confidence by providing care and treatment to common and potentially upsetting conditions.

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Dr Riaz Jan-Mohamed is a consultant haematologist at the London Haematology practice in Marylebone, who specialises in haemato-oncology, stem cell transplant, blood transfusions and B-cell lymphoma treatment.

Dr Jan-Mohamed qualified as a doctor in 1981 from the Middlesex Hospital Medical School, London. He trained in clinical haematology at King’s College Hospital London. Dr Jan-Mohamed facilitates the collections of stem cells from bone marrow and peripheral blood from normal volunteer donors so that unrelated patients with blood disorders may undergo allogeneic bone marrow transplantation.

Throughout his esteemed career, Dr Jan-Mohamed has held a number of senior positions, including head of department and clinical director at The Hillingdon Hospital. He has authored many peer-reviewed publications in the field of lymphoma, neutropenia, sepsis and haemato-oncology and was an honorary senior lecturer at The Royal Free Hospital and Imperial College and a clinic tutor for the Royal College of Pathologists.

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