St Mark’s Hospital, known as The National Bowel Hospital, is a world-leading center for the treatment and research of intestinal and colorectal disorders. Established over 180 years ago, it has become an international referral center renowned for its expertise in managing complex bowel diseases. The hospital offers both inpatient and outpatient services, focusing on personalized patient care, medical research, and education. St Mark's has a strong historical foundation in pioneering treatments and continues to be at the forefront of gastroenterological healthcare.

St Mark’s Hospital specializes in various aspects of intestinal and colorectal medicine, including:

• Gastroenterology: Comprehensive care for inflammatory bowel diseases (IBD), including Crohn’s disease and ulcerative colitis.
• Colorectal Surgery: Advanced surgical interventions for colorectal cancer, polyps, and other bowel conditions.
• Endoscopy: Renowned for its expertise and training in endoscopic procedures.
• Stoma and Pouch Care: Specialized nursing care for patients with stomas and internal pouches.
• Psychiatric Services: Support for patients dealing with the psychological impact of chronic bowel diseases

St Mark’s Hospital is dedicated to maintaining high standards of quality care. The hospital is rated 'Good' by the Care Quality Commission (CQC), reflecting its commitment to patient safety, effectiveness, and compassionate care. The hospital engages in continuous quality improvement initiatives, regular audits, and incorporates patient feedback to enhance its services

St Mark’s Hospital aims to be the leading global center for the treatment and research of bowel diseases. Its mission is to provide high-quality, patient-centered care through innovative treatments and comprehensive services. The hospital is committed to advancing medical knowledge, educating future healthcare professionals, and improving patient outcomes through research and clinical excellence​.

St Mark’s Hospital is recognized both nationally and internationally for its excellence in bowel disease treatment and research. It is the only hospital in the world dedicated entirely to intestinal and colorectal medicine, underscoring its unique position in the medical community. The hospital’s commitment to research and education has earned it numerous accolades and a reputation for clinical excellence.