Medical specialists – Top Doctors UK
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Professional statement

Dr Kevin Barnett is a highly qualified and experienced medical professional located in Buckingham, Buckinghamshire. As a consultant GP and the founder of MK18 Private Medical Practice, he brings over 23 years of knowledge and expertise in various medical fields. His areas of expertise include cardiology, minor surgery, joint injections, carpal tunnel injection, as well as specialised treatments using botox for hyperhidrosis and migraine relief.
 
Dr. Barnett's academic journey has been characterised by a commitment to excellence. He graduated with an MB ChB from the University of Leicester in 2000, and later gained membership to the Royal College of General Practitioners (MRCGP). Within his 23 years pf experience, he has worked in general practice, emergency medicine, out of hours, and NHS 111, demonstrating a broad understanding of healthcare services. 
 
Moreover, Dr Barnett holds the esteemed positions of rugby club doctor for Buckingham Rugby Club, as well as medical director for urgent care services in Buckinghamshire and London.
 
Beyond his clinical practice, Dr Barnett actively engages in research, focusing on areas such as medicine within the community and the transformative potential of hospitals as community builders.

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Dr Paresh Mehta is a highly revered and experienced senior consultant cardiologist in London, Berkshire and Buckinghamshire. He is the current director of both London Cardiac Clinic and Windsor Cardiac Clinic. He is presently practicing at Princess Margaret Hospital, Windsor Cardiac Clinic, Spire Thames Valley Hospital, Parkside Private Suite Wexham and The London Bridge Hospital.

He also continues to practice locally at Frimley Health NHS Foundation Trust. Dr Mehta's clinical practice covers all aspects of general cardiology including cardiac health screening, angina, arrhythmia, hypertension, hyperlipidaemia, syncope and structural heart disease. He possesses a high level of expertise in symptoms such as chest pain, palpitations, shortness of breath, dizzy spells and blackouts, amongst many others.

Dr Mehta utilises state-of-the-art cardiovascular investigations including ultrasound, ECG monitoring, CT and MRI imaging techniques in order to make an accurate diagnosis before setting out an individualised treatment and management plan for his patients. He has a specialist interest in heart failure, cardiomyopathy and cardiac rhythm management devices. He regularly performs cardiac procedures including implanting conventional and biventricular pacemakers, defibrillators and cardiac loop recorders.

Dr Mehta obtained his first medical qualification in 1999, completing an MBChB at Manchester Medical School. He achieved membership of the Royal College of Physicians (MRCP) London, in 2002 and subsequently spent three years in clinical research at Imperial College London and the Royal Brompton Hospital.

He successfully achieved a postgraduate medical doctorate (MD) from the University of London in 2009, for research conducted in the field of heart failure. He returned to specialist training at Harefield, Royal Brompton and St Thomas' Hospitals before appointment as a consultant cardiologist in 2011. He has published an extensive amount of peer-reviewed medical articles and original papers with ongoing research interests in the field of heart failure, arrhythmia and cardiac rhythm management device therapy. He was proud to be elected as Fellow of the Royal College of Physicians (FRCP) in 2015.

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Dr Shyamal Mashru is a leading consultant psychiatrist based in London who specialises in the assessment, diagnosis and management of adult ADHD (attention deficit hyperactivity disorder). Dr Mashru serves as the medical lead for an adult ADHD service in the NHS since 2016. His areas of expertise include adult ADHD with anxiety and depression, adult ADHD with autism, and adult ADHD and mental health symptoms in women going through the menopause. As a specialist, Dr Mashru is also a recognised expert in complex presentations and provides ADHD treatment options including ADHD assessment, diagnosis and medication.

Dr Mashru is the clinical director of ADHD Health Clinic, with whom he currently consults privately. He holds membership to the Royal College of Psychiatrists since 2011, and originally qualified from the prestigious Guy’s, King’s and St Thomas’ Medical School, with an additional BSc in Pharmacology. Dr Mashru, who is accredited by UKAAN, undertook his higher specialist psychiatry training on the Royal Free training scheme and was also awarded a Diploma with merit with the Institute of Psychiatry.

Dr Mashru has led workshops at national and international conferences, including the Annual Royal College of Psychiatry, and is a prominent figure in ADHD research. Dr Mashru uses biopsychosocial models to formulate a holistic ADHD management, helping patients feel comfortable and confident during their treatment and daily living.

He was awarded the Certificate of Excellence in 2023 for consistent 5-star patient ratings.

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Mr Athur Harikrishnan is an expert consultant in general and colorectal surgery based in Sheffield. He specialises in treating anal fissures and fistulas, haemorrhoids, groin and umbilical hernias and pilonidal sinus. His clinical interests also lie in laparoscopic surgery for benign and malignant colorectal conditions, transanal surgery and colonoscopy. He also provides advanced laparoscopic techniques like single port laparoscopic surgery and laparoscopic inguinal hernia repair.

He currently practices privately at the BMI Thornbury Hospital and Claremont Private Hospital where he routinely performs colonoscopy and gastroscopy. Mr Harikrishnan qualified at the Madras Medical College, India in 1992 and completed basic surgical training and Masters Degree (MS) in India. He then obtained two fellowships in 1997: his first from The Royal College of Surgeons of Edinburgh and the next in Glasgow. His subsequent surgical training was in South Wales and in East Anglia. He completed a research project on colorectal cytogenetics from Swansea university which was awarded a MPhil degree in 2006. He obtained the inter-collegiate FRCS (General Surgery) in 2009 and is a practicing colorectal and general surgical consultant since 2010.

Mr Harikrishnan is the Training Programme Director for General Surgery in Health Education Yorkshire (formerly Yorkshire Deanery) and an honorary clinical senior lecturer at both Edge Hill and Sheffield University. He is the course director for several surgical skills courses and in the teaching faculty of the University of East Anglia, Edge Hill University and the University of Edinburgh. He is the academic director of the Sheffield Academy for Surgical Skills and Simulation (SHEALSS). He is the assistant honorary treasurer of the Association of Coloproctogists of Great Britain and Ireland (ACPGBI).

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Miss Velloor Jayshree Menon is a highly experienced consultant ophthalmologist based in Kettering. She specialises in cataract surgery, lid and lacrimal surgery, glaucoma, medical retina and age-related macular degeneration. She also has a special interest in treating diseases of the eyelids and lacrimal system as well as periocular cancers.

She trained as a registrar at Birmingham and Midland Eye Centre and has completed fellowships in Oculoplastics at Queens Medical Centre Nottingham as well as at Birmingham Midland Eye Centre. She has also has subspecialist training in Medical Retina. 

Miss Menon is the clinical lead at Kettering General Hospital. Additionally, she organises and hosts the annual Kettering Eye Meeting - a scientific seminar for ophthalmologists which is recognised as a CME event by the Royal College of Ophthalmologists.

In addition to her consultancy position, she is passionate about education and is both an instructor at the Nottingham Cadaveric Course and educational and clinical supervisor for trainees in the East Midlands. Moreover, she is a member of the British Oculoplastic Surgeons Society and the Midland Oculoplastic Surgeons society.

 

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Professor Yirupaiahgari Viswanath is a highly revered consultant general, upper GI (gastrointestinal), laparoscopic and endoscopic surgeon with practice in Darlington, Stockton-on-Tees and Middlesbrough.

With over 30 years of experience, Professor Viswanath specialises in a range of gastrointestinal conditions, including hernias (inguinal hernia, sportsman’s hernia, incisional hernia), gallstones, inflammatory bowel disease, oesophago-gastic cancer and acid reflux disorders. He is also an expert in advanced laparoscopic surgery and endoscopy procedures, such as dilation, radical cancer resections and EMR placement of stents, and regularly carries out upper GI assessments to examine benign and malignant structures. In the UK, he is a pioneer in STRETTA Therapy, a minimally invasive endoscopic procedure for gastroesophageal reflux.

Alongside his NHS work at South Tees Hospitals, Professor Viswanath currently sees private patients at Woodlands Hospital, Nuffield Health Tees Hospital and Tees Valley Hospital.

Professor Viswanath originally qualified from Mysore Medical College in 1989 before relocating to the UK. He completed post-graduate training at the prestigious Northern Deanery in Tyne and Tees and accomplished higher advanced laparoscopic surgery training in Leeds. Professor Viswanath worked for three years at the renowned northern oesophagi-gastric cancer unit in Newcastle upon Tyne and, as an expert in upper gastro-intestinal pathologies, later led the successful centralisation of oesophago-gastric cancer services in Teesside, South Durham and North Yorkshire.

In 2001, Professor Viswanath took up his consultant post at James Cook Hospital, one of the largest tertiary centres in the UK, where he also served as the upper-gastrointestinal oncology team lead, the chairman of the clinical governance committee for surgery, as well as the cancer lead clinician, overseeing all major onco-specialties at the hospital. He is also a UK-wide trainer for symposia’s in endoscopic, laparoscopic and robotic surgery and programme director for postdoctoral MCh surgery specialties.

As a national leader in his specialty, Professor Viswanath’s excellent standards of practice have also been recognised with various accolades, including the distinguished National Clinical Excellence Award in 2011, 2015 and 2018, and the National HSJ Award. He is also recognised by his medical professional peers as well, with elected representative posts for laparoscopic surgery at the British Benign Upper GI Surgical Society and the Association of Laparoscopic Surgeons of Great Britain and Ireland.

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Professor Alex O'Neill-Kerr is a highly revered general adult psychiatrist who specialises in transcranial magnetic stimulation (TMS), depression, OCD, anxiety, and post-traumatic stress disorder. He currently practises at the Transforming Mind Solutions clinic.

Professor O'Neill-Kerr, who is the current medical director and clinical lead at the clinic, also specialises in transcranial direct current stimulation, ketamine, and vagus nerve stimulation. Until his retirement in 2020, as a visiting lecturer, Professor O'Neill-Kerr occupied the role of visiting Professor in neuromodulation at the University of Northampton.

Notably, Professor O'Neill-Kerr has authored and co-authored a substantial number of papers on TMS. He lectures both nationally and internationally on TMS at the Royal College of Psychiatry International Meeting and The Royal College of Psychiatry ECT training days. Professor O'Neill-Kerr is actively researching how effective transcranial magnetic stimulation can be in terms of treating patients with depression and anxiety.

He was a principle investigator in the NIHR BRIGHTMIND study researching Theta burst, Navigated TMS vs standard TMS, the biggest TMS study in Europe due for publication in 2023. He has racked up eight years of experience with regards to the investigation into how this specific treatment option can work for depression in cases where anti-depressants have not been effective.

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Dr Alison Falconer is a highly esteemed consultant clinical oncologist based in London who specialises in the diagnosis and treatment of prostate cancer, bladder cancer and urological cancer, as well as metastasis and pituitary tumours. She provides state-of-the-art treatments for cancer with (intensity-modulated) radiotherapy and chemotherapy.

Dr Falconer, who consults privately at Nuffield Health Cancer Centre London, GenesisCare London Cromwell Hospital and Cromwell Hospital Private, originally qualified from the University of Cambridge in 1990. She completed six years of higher specialist training in clinical oncology in London before being appointed a consultant at Imperial College Healthcare NHS Trust. Dr Falconer has since gone on to acquire proficiency in all aspects of uro-oncology and neuro-oncology through her 14 years working at the trust, previously at Hammersmith Hospital and now at Charing Cross Hospital, where she also serves as head of the radiotherapy department.

Alongside her clinical commitments, Dr Falconer is a GMC-recognised trainer for oncology trainees and the author of a number of publications in high-impact, peer-reviewed scientific journals. She is a member of The Royal College of Physicians and a fellow of The Royal College of Radiologists.

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Mr Colin Senior is a highly distinguished consultant orthopaedic surgeon based in Dorset. He specialises in the diagnosis and treatment of all shoulder condititions, as well as arthroscopic surgery, joint replacements, elbow conditions and sports injuries.

Mr Senior graduated from Nottingham University Medical School, in 1998, with bachelor's degrees in medicine, surgery and medical sciences. He trained at the Royal London Hospital Trauma Unit for one year before spending time in the South of England to complete his higher surgical training in orthopaedics. He went on to achieve fellowship from the Royal College of Surgeons and also completed fellowship training in arthroplasty, shoulder and trauma surgery at North Shore Hospital, New Zealand.

Since 2009, Mr Senior has held the position of consultant orthopaedic surgeon at Dorset County Hospital, a role he also fulfills at BMI The Winterbourne Hospital.

Mr Senior has conducted and contributed to numerous projects researching techniques for treating shoulder conditions, two of which have helped introduce revolutionary new treatment methods. He also regularly presents research papers at events in the UK and abroad, as well as being published in various orthopaedic journals and publications.

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Mrs Monika Vij is a leading consultant gynaecologist and subspecialist urogynaecologist based in South Wales specialising in prolapse, pelvic pain, general urogynaecology, urinary incontinence and recurrent UTIs. Mrs Vij is the only accredited sub-specialist in urogynaecology in Wales and performs a wide range of surgical procedures for complex prolapse and incontinence, which includes all non-mesh procedures.

Mrs Vij graduated from Kanpur University, India in 1996 and obtained postgraduate training with a master's in obstetrics and gynaecology. She then moved to the UK to undergo further postgraduate training in obstetrics and gynaecology. She later went on to complete full training in general gynaecology and urogynaecology in London, Bristol and Plymouth.

Mrs Vij is dedicated to teaching, regularly sharing her skills with junior surgeons and is also the deputy trainer of the sub-speciality training programme in urogynaecology in Wales. She takes on a multi-disciplinary approach when treating her patients and actively works alongside specialist pelvic floor physiotherapists and continence nurses.

She is on the committee of the Welsh Pelvic Health Implementation Group and holds many prestigious memberships, including with the British Society of Urogynaecologists, International Continence Society and International Society of Ultrasound in Obstetrics and Gynaecology.

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