Matsutani Naika Clinic, located in Akitsu-cho, Higashimurayama City, Tokyo, is a medical facility specializing in internal medicine. In addition to general internal medicine, the clinic focuses on gastroenterology, offering endoscopic examinations such as gastroscopy (including transnasal endoscopy) and colonoscopy from Monday through Saturday. Endoscopic examinations require advance reservation, which can be made by phone. The clinic also handles management of lifestyle-related diseases such as diabetes and hypertension, as well as various examinations and health checkups, providing comprehensive healthcare services. Additionally, the clinic offers hay fever treatment and COVID-19/influenza testing, addressing seasonal health concerns. The clinic is actively implementing medical DX initiatives, including the introduction of online eligibility verification systems, promotion of My Number health insurance card usage, and utilization of electronic prescription and electronic medical record sharing services, creating an environment aimed at providing high-quality medical care. The facility is equipped with a parking lot and is barrier-free, making it easily accessible for patients visiting by car or those requiring physical assistance. Consultation hours are from 9:00 AM to 12:30 PM in the morning and 3:00 PM to 7:00 PM in the afternoon, with the clinic closed on Sundays, holidays, and during the year-end and New Year period.