Koizumi Clinic, located in Koizumi, Ageo City, Saitama Prefecture, is a community-based clinic specializing in internal medicine and pediatrics. Dr. Kenji Itokazu serves as the clinic director, and the facility operates on a two-shift schedule primarily on weekdays. Consultation hours are from 9:00 AM to 12:30 PM and from 3:00 PM to 6:30 PM, with no afternoon sessions on Thursdays and Saturdays, so patients are advised to confirm before visiting. The clinic is closed on Sundays and public holidays, as well as during the year-end and New Year period (December 29 to January 3) and the Obon period (August 11 to 16). One notable feature of this clinic is its ability to provide services in English, creating a welcoming environment for those unfamiliar with Japanese. Additionally, the clinic has a parking lot and barrier-free design, making it easily accessible for elderly patients and those with physical disabilities. As a community-based primary care provider serving patients of all ages, this medical facility plays an important role in meeting the everyday healthcare needs of the local community.