Dr Clive Onnie, Consultant Gastroenterologist

Dr Clive Onnie

Consultant Gastroenterologist

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Dr Clive Onnie BSc (Hons), MSc, PhD, MRCP

Consultant Gastroenterologist

BSc (Hons), MSc, PhD, MRCP

Dr Clive Onnie

Consultant Gastroenterologist BSc (Hons), MSc, PhD, MRCP

Book online
|
BSc (Hons), MSc, PhD, MRCP
HCA-Healthcare-UK

Areas of expertise

  • Gastroenterology
  • Inflammatory bowel disease
  • Irritable bowel syndrome
  • Endoscopy
  • Diarrhoea
HCA-Healthcare-UK

Recommendations for Dr Onnie

These recommendations are for information purposes only. Doctors providing recommendations do so in good faith and are not responsible for clinical outcomes.

Recommended by:

  • byDr Laura Louise McNeilly, GP

    Worked with him as a trainee and he was very konwoledgable and friendly.

  • byDr Farzana Abbas Vanat, GP

    Appropriate management for patients

  • byDr Philippa Ruth Kaye, GP

    Recommended Gastroenterologist

  • byDr Timothy John Gerrard, GP

    Recommended gastroenterologist

  • byDr Leora Batia Harverd, GP

    Recommended gastroenterologist

  • byA GP

    Positive patient feedback

  • byDr Sherry Ann Taylor, GP

    Nice with patients

  • byDr David Spitzer, GP

    Very nice manner

  • byMr Jonathan Joseph, Consultant ENT and Facial Plastic Surgeon

    Dr Clive Onnie is someone that I know well, who also has a good manner with his patients and provides good care.

  • byProf. Howard Branley, Consultant Physician in Respiratory Medicine

    Dr Onnie is a very thorough gastroenterologist and my patients speak very highly of him.

  • byDr Basil Almahdi, Pain Medicine Specialist

    Dr Clive Onnie is an expert in the field of inflammatory bowel disease.

  • byMr Narendra Pisal, Consultant Gynaecologist

    Recommended Gastroenterologist

  • byMr Maxim Horwitz, Consultant Hand Surgeon

    Recommended gastroenterologist

  • byDr Mark Furman, Paediatric Gastroenterologist

    Recommended Gastroenterologist

  • by Mr Jonathan Wilson, Consultant Colorectal & General Surgeon

    Recommended Gastroenterologist

  • byDr Laura Louise McNeilly, GP

    Worked with him as a trainee and he was very konwoledgable and friendly.

  • byDr Farzana Abbas Vanat, GP

    Appropriate management for patients

  • byDr Philippa Ruth Kaye, GP

    Recommended Gastroenterologist

  • byDr Timothy John Gerrard, GP

    Recommended gastroenterologist

  • byDr Leora Batia Harverd, GP

    Recommended gastroenterologist

  • byA GP

    Positive patient feedback

  • byDr Sherry Ann Taylor, GP

    Nice with patients

  • byDr David Spitzer, GP

    Very nice manner

  • byMr Jonathan Joseph, Consultant ENT and Facial Plastic Surgeon

    Dr Clive Onnie is someone that I know well, who also has a good manner with his patients and provides good care.

  • byProf. Howard Branley, Consultant Physician in Respiratory Medicine

    Dr Onnie is a very thorough gastroenterologist and my patients speak very highly of him.

  • byDr Basil Almahdi, Pain Medicine Specialist

    Dr Clive Onnie is an expert in the field of inflammatory bowel disease.

  • byMr Narendra Pisal, Consultant Gynaecologist

    Recommended Gastroenterologist

  • byMr Maxim Horwitz, Consultant Hand Surgeon

    Recommended gastroenterologist

  • byDr Mark Furman, Paediatric Gastroenterologist

    Recommended Gastroenterologist

  • by Mr Jonathan Wilson, Consultant Colorectal & General Surgeon

    Recommended Gastroenterologist

  • Address

    About Dr Clive Onnie

    GMC number: 4315311

    Year qualified: 1996

    Place of primary qualification: University of London

    Dr Clive Onnie is a Consultant Gastroenterologist at the Whittington Hospital NHS Trust, a position he has held since 1997. He qualified with distinction from The London Hospital Medical School and pursued his postgraduate training at St Mark's Hospital and Guys and St Thomas Hospital. Dr Onnie furthered his education with a Masters in Medical Science at the Hammersmith Hospital and earned his PhD from Kings College, London, focusing on the genetics of inflammatory bowel disease. He was honoured with a Digestive Diseases Foundation Research Fellowship.

    In addition to his clinical role, Dr Onnie serves as an Honorary Senior Lecturer at the University College London Medical School and is the medical adviser to the North London Chapter of the Crohn's and Colitis UK Organisation.

    Dr Onnie is proficient in managing a wide range of general gastroenterology conditions. He is particularly skilled in treating inflammatory bowel disease, irritable bowel syndrome, dyspepsia, and reflux. His treatment philosophy is holistic, integrating conventional and alternative medicine with a strong emphasis on the importance of diet.

    Actively engaged in research, Dr Onnie's primary focus is on the genetics of inflammatory bowel disease and colorectal cancer. He has an extensive publication record in leading medical journals and has co-authored several book chapters.

    Dr Onnie performs various medical tests and treatments, including gastroscopy (OGD), colonoscopy, flexible sigmoidoscopy, ERCP, and video capsule endoscopy. He treats conditions such as irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), reflux, and dyspepsia.

    Dr Onnie's dedication to his field and his comprehensive approach to patient care make him a highly respected specialist in gastroenterology.

    Areas of expertise

    • Gastroenterology
    • Inflammatory bowel disease
    • Irritable bowel syndrome
    • Endoscopy
    • Colonoscopy

    Professional memberships

    Royal College of Physicians
    General Medical Council

    Articles by Dr Clive Onnie

    A genome-wide association scan of nonsynonymous snps identifies a susceptibility variant for crohn disease in atg16l1

    Genome-wide association study for ulcerative colitis identifies risk loci at 7q22 and 22q13 (il17rel)

    Association scan of 14,500 nonsynonymous snps in four diseases identifies autoimmunity variants

    Genome-wide association defines more than 30 distinct susceptibility loci for crohn's disease

    Mutational characterization of the bile acid receptor tgr5 in primary sclerosing cholangitis