Medical specialists – Top Doctors UK
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Professional statement

Dr Muhammed Baki is a highly regarded consultant clinical oncologist based in Hertfordshire. Dr Baki has over 10 years' of experience and offers diagnosis and treatment for a wide range of cancers, focusing primarily on radiotherapy, chemotherapy and immunotherapy for breast cancer, as well as upper GI cancer, and hepatobiliary cancer .
 
Dr Baki graduated from University of Sulaimani, Iraq with a Bachelor of Medicine, Bachelor of Surgery (MB ChB) in 2005. He undertook a specialist diploma in oncological radiotherapy at University of Florence and has practised as a clinical oncologist since 2017.

Alongside the aforementioned cancers and treatments, Dr Baki also sub-specialises in oesophagal cancer, gastric cancer, pancreatic cancer and cholangiocarcinoma (bile duct cancer).
 
He considers himself to have a pro-research mindset and is dedicated to enrolling patients in both national and international clinical trials. He is the Principal Investigator for 2 of the international trials in Breast Cancer, namely  EMBER-4 and ATNEC .
 
Dr Baki also holds the role of clinical lead for cancers of unknown primary (CUP) at the East and North Hertfordshire NHS Trust. 

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Professor Nick Maynard is a leading consultant Upper GI surgeon based in Oxford, with more than twenty-five years of experience in his field.

He treats patients at The Manor Hospital, Nuffield Health Oxford. He specialises in the treatment of a wide range of Upper GI conditions, including oesophageal cancer, stomach cancer and gallstones. He has extensive experience conducting laparoscopic surgery to treat hiatal hernia, achalasia and reflux disease. Professor Maynard also has particular expertise in revision surgery, which is surgery done to correct or modify a previous surgery that did not have the desired outcome.

As one of the leading Upper GI surgeons in the country, Professor Maynard is particularly experienced in upper gastrointestinal laparoscopy and endoscopy procedures. He is also an expert in treating adults who have had treatment of trachea-oesophageal fistula (TOF) and oesophageal atresia as a neonate - rare birth defects causing the upper part of the oesophagus and the windpipe to be connected to each other.  

Professor Maynard has been Consultant Upper GI surgeon at Oxford University Hospitals NHS Foundation Trust since 1997. He has been the Director for Cancer Services for Oxford University Hospitals from 2017 to 2022, and Associate Professor of Surgery at Oxford University. 

Professor Maynard graduated from the University of Oxford with a BA in Physiological Sciences in 1983, before receiving his Bachelor of Medicine, Bachelor of Surgery from Guy´s Hospital Medical School in 1986. He then went on to receive his MS from the University of London in 1993, and his FRCS from the Royal College of Surgeons of England in 1997. He then trained in various hospitals in south east England, as well as a 15-month stint in Melbourne, Australia.

In 2020, he was awarded FRCS Ed (ad hominem) at the Royal College of Surgeons of Edinburgh in recognition of his contributions to upper GI surgery over the last twenty-five years. 

He serves as the president of AUGIS (Association of Upper GI surgeons of Great Britain and Ireland). He is also the Clinical Lead for the National Oesophago-Gastric Cancer Audit. When not treating patients, Professor Maynard conducts research on a wide range of Upper GI conditions.

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Professional statement

Mr Patrick Grover is a renowned consultant neurosurgeon, practising privately for Amethyst Radiotherapy's London Clinic at the Queen Square (GammaKnife) Radiosurgery Centre, while also serving as the cranial neurosurgery lead and Consultant Skull base Vascular Neurosurgeon at the National Hospital for Neurology and Neurosurgery (NHNN) for University College London Hospitals NHS Foundation Trust.
 
With 15 years of experience, Mr Grover has particular expertise in surgical managing and treating skull base tumours, acoustic neuroma, meningioma, arteriovenous malformations, cerebral aneurysms and cavernoma. As an expert in Gamma Knife radiosurgery, Mr Grover employs a minimally invasive treatment that uses precise radiation beams to manage malignant and non-malignant brain tumours, as well as vascular and functional disorders in the brain, without harming healthy tissue.
 
Mr Grover is highly qualified, with a BSc in Biological Sciences, an MSc in Neurosciences, and an MBBS from the prestigious University of Oxford. He completed his medical and neurosurgical training at Imperial College, the Royal London Hospital, and Great Ormond Street Hospitals in North London, followed by fellowship training at NHNN.
 
In addition to his impressive qualifications, Mr Grover is a well-respected researcher in the field of neurosurgery, with academic interests in cavernoma, unruptured aneurysm, AVM registries, as well as AI techniques and technology applications in skull base tumour surgery. His work has been widely published in respected peer-reviewed journals, including Neurosurgical Review. Mr Grover also has significant teaching experience, serving as the course director for the Queen Square Neurosurgery Review Course and co-lead for the London Brain School.

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Professional statement

Professor Rajiv Jalan is a leading consultant hepatologist with more than 30 years of experience. Professor Jalan has been a professor of hepatology at University College London since 2000 and has lead research on multiple areas of liver disease, and is at the forefront of research into liver failure. 

Recently Professor Jalan was part of a team who invented the DIALIVE - a new liver dialysis system being trialled at the Royal Free Hospital where he is a consultant hepatologist and head of the liver failure laboratory. This new device removes toxins in the liver that cause liver failure and may even have the potential to allow liver regeneration, avoiding the need for liver transplantation.

Professor Jalan is involved in a leadership capacity with developing national guidelines and setting standards of care. He was elected Secretary of the British Association for the Study of Liver diseases in 2009. He liaises closely with both the Department of Health and the Department of Transport in organising liver disease services and developing statutes for driving in liver disease patients, respectively. He is also an international leader in ACLF research.

Together with his team, Professor Jalan looks to improve the lives of people with liver disease by developing new methods of diagnosis and treatment.

 

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Dr James Pattison is a leading consultant nephrologist based in London. His specialisms are urinary tract infections, diabetic kidney disease, hypertension, and all stages of chronic kidney disease. He also has a specialist interest in glomerular diseases and kidney transplantation. He privately practices at London Bridge Hospital, BMI The Blackheath Hospital and The Private Outpatients Consulting Rooms clinic in the capital. His NHS base is Guy's and St Thomas' NHS Foundation Trust, where he has practiced for over 25 years. 

Dr Pattison has a very busy clinical practice and alongside receiving impressive reviews from his patients, he is noted for his involvement as a principal investigator in clinical trials. These study new immunosuppressive agents used in kidney transplantation treatment.        

Dr Pattison has an impressive educational history, qualifying from Oxford University in 1987. He went on to undergo higher training in renal medicine, both nationally at Guy’s Hospital, and internationally at Stanford University in California, USA.

Dr Pattison is also a respected name in medical academia. He has authored two books, written several book chapters and co-authored several publications, mainly in the field of kidney transplantation. His work also has also been widely published in peer-reviewed journals.   

Furthermore, Dr Pattison is an active member of various professional bodies including the Royal College of Physicians (RCP), The UK Kidney Association (UKKA) and the British Transplantation Society (BTS) alongside The Medico-Legal Society. 

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Professional statement

Miss Caris Grimes is a highly respected consultant laparoscopic general and colorectal surgeon renowned for her expertise in laparoscopic surgery  and her dedication to providing exceptional patient care. She specialises in inflammatory bowel disease (Crohn’s disease and ulcerative colitis), bowel cancer surgery, diverticular disease, and laser surgery for haemorrhoids, anal fistulas and pilonidal sinus disease. She is also an accredited endoscopist performing both colonoscopies and gastroscopies.

Throughout her career, Miss Grimes has demonstrated a commitment to advancing the field of colorectal surgery through her clinical work, research endeavours, and contributions to medical education. Trained in some of the most prestigious medical institutions, Miss Grimes has honed her skills in laparoscopic surgery, specialising in procedures related to the gastrointestinal tract, particularly the colon and rectum. She also specialises in laser therapy for conditions such as anal fistula and pilonidal sinus disease.

In addition to her clinical practice, Miss Grimes is actively involved in research aimed at advancing the understanding and treatment of colorectal diseases, particularly Crohn’s disease.

Miss Grimes maintains an active interest in improving patient safety and quality of care. She has previous held posts including Associate Medical Director for Patient Safety and Quality and Non-Executive Director lead for patient safety within a healthcare system. She holds dual college accreditation, being registered with the Royal College of Pathologists as well as the Royal College of Surgeons and works as a Medical Examiner.  

She has an international reputation for research and clinical contribution to improving patient access to surgery globally and was a Commissioner on the Lancet Commission on Global Surgery.

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Dr Natalie Phillips is a consultant gastroenterologist with specialist training in hepato-pancreatobiliary medicine. Her specialist interests are gastroscopy, colonoscopy, ERCP, endoscopic ultrasound (EUS) and hepatobiliary medicine.

Dr Phillips began her studies at the renowned Guy's and St Thomas' hospital and qualified with Honors in 2000. She then earned her MBBS at the Guy's King's and St Thomas' School of Medicine in 2003 and has since earned her MRCP followed by her MRes with research in pancreatitis. In 2012, she studied in an international Fellowship in EUS/ERCP in Sydney, Australia, at the Royal Northshore Hospital.

She is a consultant within the GI Doctors group and this group consists of some of the top London specialists in diagnosing and treating gastrointestinal conditions. Dr Phillips attends private patients at the London Clinic on 116 Harley Street and at the Sainsbury Wing of Hammersmith Hospital in West London.

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Dr Efthimia Karra is a distinguished consultant endocrinologist based in London, specialising in a comprehensive range of endocrine disorders, including CGM (continuous glucose monitoring) diabetes, thyroid conditions, obesity, adrenal gland disorders, and polycystic ovary syndrome (PCOS).

With an illustrious academic background, Dr.Karra's journey began with an MD degree from the esteemed University of Patras in 2001. She became a fellow of the the Royal College of Physicians in 2006 and undertook further stuudies by choosing to pursure a PhD at University College London in 2014, showcasing her profound expertise in the areas of obesity, gut hormone physiology and metabolic medicine.

Beyond her academic achievements, Dr Karra is a pioneer in endocrinology research. Her primary interests encompass obesity, gut hormone physiology, and metabolic medicine. Her exceptional contributions were recognised with the prestigious Welcome Trust Clinical Research Training Fellowship in 2011, underscoring her status as a leading figure in her field.

Her commitment to professional growth is evident in her memberships in esteemed organisations. She is a proud member of the Royal College of Physicians, showcasing her commitment to upholding the highest medical standards. Her affiliation with the Medical & Dental Indemnity Protection UK (MDDUS) ensures comprehensive protection for her patients.

Furthermore, Dr Karra's association with the Society for Endocrinology BES reflects her dedication to staying at the forefront of advancements in endocrinology. In addition to her professional achievements, she is deeply engaged in volunteering, demonstrating her genuine concern for the well-being of her community.

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Mr Tom Pollard is a leading UK consultant orthopaedic surgeon and hip and knee specialist based in Reading. 

He performs a high volume of hip and knee surgeries: patients often seek his medical services for his extensive skill in hip and knee joint replacements (arthroplasty) as well as the complex revision of hip and knee replacements. He performs more than 250 hip and knee replacements annually and implements the latest techniques, including NAVIO robotic knee replacement. He is also a UK expert on hip arthroscopy and knee arthroscopy. Since becoming a consultant, Mr Pollard has performed over 1800 hip arthroscopy procedures and performs approximately 250 each year, making him one of the most experienced surgeons in the UK in arthroscopy

Among the conditions he treats are knee arthritis, hip arthritis, labral tears and young adult hip conditions. Mr Pollard's pioneering research has been recognised by the International Society for Hip Arthroscopy: he won two of the first three annual awards. This achievement has contributed to his international reputation as a specialist in the cause and treatment of young adult hip conditions. What's more, he is recognised to have written many of the most important publications in the field of young adult hip surgery.

Mr Pollard has always been an avid researcher. Throughout his studies and professional career, he has contributed to orthopaedic research and has over 40 peer-reviewed scientific research publications in orthopaedic journals. He also collaborates with the University of Oxford on research and clinical trials.

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Dr Shanthi Chandran is a leading consultant physician in diabetes and endocrinology practising in Milton Keynes. With over 20 years of experience, Dr Chandran is highly skilled in the provision of treatment for diabetes, including gestational diabetes, thyroid disorders, parathyroid gland problems, and adrenal gland disorders.  

After obtaining her bachelor of medicine and surgery from the Tamil Nadu Dr MGR Medical University, India, Dr Chandran completed specialist training in the eastern deanery and rotated to Addenbrookes Hospital. She has worked at Milton Keynes since 2008. She treats patients privately at The Saxon Clinic, Milton Keynes.   

Dr Chandran holds memberships to a number of revered associations such as the Royal Society of Medicine, Diabetes UK, Endo Society, the American Diabetes Association, and the Royal College of Physicians. 

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