Dr JAFAR JAFARI
JAFAR JAFARI
Dr. Jafar Jafari
Consultant in Gastroenterology & Neurogastroenterology, Clinical Scientist
MD in General Medicine, PhD in Neurogastroenterology
Dr. Jafar Jafari is a UK-based consultant in neurogastroenterology and GI motility with over 24 years of experience in diagnosing and managing functional gastrointestinal disorders. He is the founder and Clinical Director of GI Cognition Ltd, where he specialises in conditions like IBS, SIBO, gastroparesis, and gut-brain axis disorders, using advanced tools such as breath testing, manometry, and microbiome analysis.
- General Medical Council (GMC), UK – Reg. No. 6128766
- Consultant Neurogastroenterologist – Reg. No. 14993
- Accredited GI Physiologist – AGIP / BSG Reg. No. 10126
- Academy for Healthcare Scientists (AHCS) – Certified Member
Area of Expertise:
- Neurogastroenterology
- GI Motility & Functional Gut Disorders
- Breath Testing & Microbiome
- Gut-Brain Axis Disorders
- Reflux, Bloating, IBS, and SIBO
About Dr Jafar Jafari
Dr. Jafar Jafari is an expert in Gastrointestinal (GI) Physiology with extensive knowledge and expertise in his field. He holds a Medical Doctorate and a PhD in Neurogastroenterology from Queen Mary, University of London, and is an Accredited GI Physiology Practitioner. Dr. Jafari’s proficiency spans various advanced techniques, including high-resolution manometry, Sphincter of Oddi manometry, Hydrogen-Methane and C13 Breath Tests, EndoFlip, Bilitec, Galvanic Skin Response, Electrogastrography (EGG), and small bowel manometry.
Dr. Jafari is passionate about education and serves as a senior lecturer at King’s College London. He trains PhD students, mentors aspiring professionals, and educates GI physiologists through the Accredited Scientific Practice Programme in Upper GI Physiology, accredited by the National School of Healthcare Science (NSHCS). His dedication extends beyond academia as he offers training to international specialists via in-clinic sessions, webinars, seminars, and case study blogs. Dr. Jafari is committed to advancing GI Physiology knowledge and practice on both national and international platforms.
He has played an active role as a committee board member for the Association of GI Physiologists UK (AGIP), part of the British Society of Gastroenterology, and continually contributes to NHS England on national matters. Dr. Jafari also serves as a board member of various esteemed journals and acts as a clinical research advisor to multiple medical device manufacturers.
As the founder of GI Cognition, the first CQC-recognised mobile GI Physiology service in the UK, Dr. Jafari addresses the need for accessible healthcare. He operates the first “oesophageal” biofeedback therapy clinic in the NHS, a significant contribution that translates laboratory findings into clinical practice. Currently, he holds the position of Head of Upper GI Physiology Services at Guy’s and St Thomas’ NHS Trust, one of the busiest physiology units in the UK, providing exceptional care and innovative solutions to patients with complex GI disorders.
Key Positions and Roles
Founder and Executive Director
GI Cognition Ltd (since 2016)
Head of Upper GI Physiology
Guy’s and St Thomas’ NHS Foundation Trust (since 2014)
Senior Lecturer (Hon.)
King’s College London (since 2022)
BSG Committee Board Member
Serving on the Small Bowel and Nutrition Committee of the British Society of Gastroenterology
Qualifications
MD in General Medicine
Tehran University of Medical Sciences, Tehran, Iran (2000)
PhD in Neurogastroenterology
Queen Mary University of London (2014)
Consultant Highly Specialised Scientist in Neurogastroenterology
Academy for Healthcare Scientists (2023)
Consultant Highly Specialised Scientist in Neurogastroenterology
Academy for Healthcare Scientists (2023)
Accredited Independent GI Physiology Practitioner
Association of Gastrointestinal Physiologists (AGIP) / British Society of Gastroenterology (BSG) (2014)
Advanced Life Support (ALS) Certification (2024)
IR(ME)R Certified
Ionising Radiation (Medical Exposure) Regulations
Professional Registrations and Memberships
Health and Care Professions Council (HCPC)
Registered Clinical Scientist (Reg: CS022410)
Accredited GI Physiologist
AGIP / BSG (Reg: 10126)
Academy for Healthcare Scientists (AHCS)
Consultant in Neurogastroenterology (Reg: 14993)
Care Quality Commission (CQC)
Certified Provider (Reg: CRT1-4070207442)
General Medical Council (GMC), UK
Fully Registered (Reg: 6128766)
Information Commissioner’s Office (ICO)
Data Protection Registered (Reg: ZA254403)
Research & Publications
Dr. Jafari has authored numerous peer-reviewed studies on gastrointestinal motility, IBS, and diagnostic methodologies, cited by researchers worldwide. His research contributions can be accessed via:
Testimonials
Recent Blogs
Frequently Asked Questions
Who is Dr. Jafar Jafari, and what is his area of expertise?
Dr. Jafar Jafari is a London-based consultant gastroenterologist with over 24 years of experience. He specializes in neurogastroenterology and gastrointestinal motility disorders, including IBS, SIBO, gastroparesis, supragastric belching, and gut-brain axis dysfunction. He is also the founder and clinical director of GI Cognition Ltd.
What types of consultations does Dr. Jafar offer?
Dr. Jafar provides two types of consultations:
In-clinic consultations at GI Cognition in London
Online consultations via secure video call
All appointments are strictly by prior booking only.
Where is Dr. Jafar’s clinic located?
Dr. Jafar Jafari consults at GI Cognition Ltd, based in London, UK. The clinic is fully equipped for advanced diagnostics, including GI breath tests and motility assessments.
What breath tests are offered at GI Cognition?
GI Cognition provides a wide range of specialist breath tests, including:
SIBO (Small Intestinal Bacterial Overgrowth) Test
Fructose & Lactose Intolerance Breath Tests
Leaky Gut (Intestinal Permeability) Breath Test
Methane & Hydrogen Breath Tests
All tests are performed in clinic by trained professionals for accurate and timely results.
What in-clinic GI investigations are available?
Advanced diagnostic services offered include:
Oesophageal Manometry
24-Hour Reflux Monitoring
High-resolution Manometry
24-Hour pH-Impedance Testing
Supragastric Belching Assessment
Gut Microbiome Testing & Analysis
Can I book a SIBO test in the UK through GI Cognition?
Yes, at GI Cognition, you can either book an in-clinic SIBO test in London or order a convenient SIBO home test kit through our website. Both options use evidence-based breath testing to detect Small Intestinal Bacterial Overgrowth (SIBO), with results reviewed by Dr. Jafar Jafari, a UK consultant gastroenterologist specialising in gut motility and microbiome health.
Visit our SIBO Test Kit page to choose the option that best suits you.
How can I book an appointment with Dr. Jafar Jafari, Consultant Gastroenterologist in London?
You can easily book an appointment with Dr. Jafar Jafari, a leading gastroenterologist in London, through the GI Cognition website. Consultations are available online or in-clinic at our London location, based on your preference.
Whether you’re looking for a SIBO test in the UK, need help with IBS, or require expert investigation for reflux or gut motility issues, all consultations are appointment-based only to ensure personalised care. Early booking is recommended due to high demand.
