Located in Nishi-Ikebukuro, Toshima Ward, Ikebukuro Nishiguchi Hospital primarily specializes in the diagnosis and treatment of gastrointestinal diseases through its gastroenterological surgery and internal medicine departments, while also offering proctology, cosmetic dermatology, and orthopedic services. In the gastrointestinal field, the hospital provides care for conditions including stomach and colon cancer, endoscopic diagnosis and treatment of the stomach and intestines, and specialized outpatient services for anal diseases such as hemorrhoids. Patients presenting with gastrointestinal symptoms including indigestion, heartburn, nausea and vomiting, abdominal pain, constipation or diarrhea, bloody stool or gastrointestinal bleeding, as well as those experiencing unexplained weight loss can receive comprehensive medical care. The cosmetic dermatology department focuses on laser treatments for birthmarks and pigmented spots, accepting patients of all ages including infants. Additionally, the hospital conducts specific health screenings for Toshima Ward residents, including specific health checkups, welfare health checkups, and longevity health checkups, contributing to community health management. The facility features barrier-free accessibility and English-language support, ensuring a welcoming environment for diverse patient populations.