Ninomiya Clinic is a medical clinic specializing in internal medicine, gastroenterology, and gastrointestinal medicine located in Yamagata City, Gifu Prefecture, providing examinations for digestive system diseases using the latest endoscopic equipment. The clinic has introduced an endoscopic system using Olympus's latest models and offers painless examinations in cooperation with veteran technicians with 40 years of experience. The clinic specializes in detecting early gastric cancer, colorectal cancer, and colorectal polyps through gastroscopy and colonoscopy, and even slight lesions can be detected with NBI-equipped equipment that is 1.5 times brighter than conventional models. As a specialist in internal medicine, gastroenterology, and gastrointestinal medicine, the clinic treats gastric ulcers, duodenal ulcers, Helicobacter pylori, colorectal polyps, gastric cancer, and colorectal cancer, with support for English and other languages. The clinic is easily accessible with a parking lot and barrier-free design, and has adopted an advanced medical system that conducts online billing and online eligibility verification.