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King Faisal Specialist Hospital & Research Center
Dr. Aymen A. Almuhaidb, MD is a Saudi Consultant Gastroenterologist, Hepatologist and Advanced/Interventional Endoscopist based at King Faisal Specialist Hospital & Research Centre (KFSH&RC), Riyadh. His clinical and academic work focuses particularly on advanced therapeutic endoscopy, third-space endoscopy, colorectal endoscopic resection, inflammatory bowel disease, gastrointestinal cancers and complex gastrointestinal disorders.
King Faisal Specialist Hospital & Research Centre (KFSH&RC), Riyadh, Saudi Arabia
Current/recent roles include:
KFSH&RC's 2023 Annual Research Report lists Aymen Almuhaidb as a Consultant within the institution.
King Faisal Specialist Hospital & Research Centre (KFSH&RC), Riyadh, Saudi Arabia
Position: Consultant Gastroenterologist / Advanced & Interventional Endoscopist
Dr. Almuhaidb received his medical degree from King Saud University College of Medicine. His professional profile records his King Saud University education beginning in 2004, with his medical training completed before pursuing postgraduate training in the United States.
He subsequently completed postgraduate training in the United States, including:
His advanced endoscopy training has formed the foundation of his subsequent specialization in interventional and third-space endoscopy.
The American Gastroenterological Association also selected him for its AGA Innovation Fellows Program, where he participated as an innovation fellow in 2021.
Dr. Almuhaidb is primarily a gastroenterologist and advanced therapeutic endoscopist.
His areas of expertise include:
The Saudi Gastroenterology Association describes him specifically as an Interventional & Third Space Endoscopist, while his professional role includes leadership of interventional-endoscopy activities within the Saudi Gastro Association.
A major focus of Dr. Almuhaidb's career is third-space endoscopy, an advanced minimally invasive endoscopic approach used for treating selected gastrointestinal disorders.
His professional work includes advanced techniques such as:
His interest in colorectal ESD is also reflected in his research activities. His professional profile recently highlighted research published in Gut examining whether surveillance intervals can safely be extended following curative colorectal ESD.
Dr. Almuhaidb has contributed to peer-reviewed gastroenterology research.
One recent research area concerns artificial intelligence in gastroenterology in Saudi Arabia. A 2026 article in the Saudi Journal of Gastroenterology, “Digital horizons: Exploring the future of AI-enabled gastroenterology in the Kingdom of Saudi Arabia,” lists Aymen Almuhaidb as a co-author and identifies his affiliation as the Department of Gastroenterology, King Faisal Specialist Hospital and Research Centre, Riyadh.
He has also participated in research concerning gastroenterology fellowship training in Saudi Arabia. A 2025 Saudi Journal of Gastroenterology study examining strengths and opportunities in Saudi GI fellowship training lists him as a co-author with the KFSH&RC Department of Gastroenterology and Endoscopy.
Another publication involving Dr. Almuhaidb addressed pediatric pancreaticobiliary endoscopy performed by adult advanced endoscopists, reflecting his interest in complex therapeutic endoscopic procedures.
He has also co-authored a case report concerning acute pancreatitis, published in Clinical Gastroenterology and Hepatology.
Dr. Almuhaidb has an important role in postgraduate gastroenterology education in Saudi Arabia.
He serves as Director of the Gastroenterology Fellowship Program at KFSH&RC. The Saudi Gastroenterology Association's educational materials identify him in this role and as an Interventional & Third Space Endoscopist.
His leadership role includes helping train the next generation of Saudi gastroenterologists in advanced diagnostic and therapeutic endoscopy.
His 2026 professional activity also highlights his involvement in the KFSH&RC GI fellowship program, including the program's participation in Digestive Disease Week (DDW) 2026, where KFSH&RC fellows and faculty presented multiple abstracts.
Dr. Almuhaidb is active within the Saudi Gastroenterology Association (SGA).
His leadership position is:
Chair — SGA Interventional Endoscopy
Through this role, he contributes to education and professional development in advanced endoscopy in Saudi Arabia.
Dr. Almuhaidb is also a major organizer of Saudi Endoscopy Days.
For Saudi Endoscopy Days 2026, scheduled for 13–14 November 2026 in Riyadh, the official SGA website lists him on the organizing committee and identifies him as Chair of the Scientific Committee / Scientific Committee Co-Chair.
The meeting focuses on developments in gastrointestinal endoscopy, including advanced endoscopic techniques and hands-on education.
Dr. Almuhaidb has developed an international academic profile through his postgraduate training and professional activities in the United States.
His training included:
University of Virginia
Internal Medicine
Washington University School of Medicine
Gastroenterology & Hepatology
Northwestern University / Northwestern Memorial Hospital
Advanced and Complex Endoscopy
His participation in the AGA Innovation Fellows Program also provided exposure to innovation and emerging technologies in gastroenterology.
His principal professional interests can be summarized as:
| PeriodCareer / Training | |
| 2004 onward | Medical education, King Saud University |
| Postgraduate period | Internal Medicine training, University of Virginia |
| Following residency | Gastroenterology & Hepatology fellowship, Washington University |
| Advanced training | Advanced/Complex Endoscopy, Northwestern University |
| 2021 | AGA Innovation Fellows Program |
| 2023 | Listed as Consultant at KFSH&RC |
| Current | Consultant Gastroenterologist / Advanced Endoscopist, KFSH&RC |
| Current | Director, Gastroenterology Fellowship Program |
| Current | Chair, SGA Interventional Endoscopy |
| 2026 | Scientific Committee leadership, Saudi Endoscopy Days |
Kuwait Gastroenterology Association (KGA)
Kuwait Gastroenterology Association (KGA)
Saudi Gastroenterology Association
Saudi Gastroenterology Association