Located in Minami, Chigasaki City, Kanagawa Prefecture, Medical Corporation Oasis Clinic provides medical care primarily in internal medicine. Dr. Mari Shinsawa, the clinic director who holds certifications as a qualified gastroenterological endoscopy specialist by the Japan Gastroenterological Endoscopy Society and as a gastroenterology specialist by the Japanese Society of Gastroenterology, offers medical care utilizing expertise in digestive diseases for abdominal ultrasound examinations and H. pylori eradication. In addition to general internal medicine diagnosis and treatment, the pediatrics department provides vaccinations, and gastric endoscopic examinations use transnasal endoscopy inserted through the nose. With a thinner tube compared to the oral method, examinations are performed with minimal discomfort considering patient burden. A notable feature is that the female director provides medical care from the perspective of both a woman and a mother with child-rearing experience. The clinic interior, featuring white and lavender tones, is designed with barrier-free access that minimizes movement burden, and approximately 20 parking spaces are available for smooth visits by car. Various electronic payments, credit cards, and debit cards are accepted, and services are available in English.