Koizumi Clinic, located in Nakazuma-cho, Kamaishi City, Iwate Prefecture, is a community-based clinic specializing in internal medicine. The clinic's operating hours are 8:30 AM to 6:00 PM on weekdays and 8:30 AM to noon on Saturdays, making it convenient for those who have difficulty securing time during the day as patients can visit until evening on weekdays. However, the clinic is closed on Wednesday afternoons and on national holidays. During Golden Week, the clinic follows the regular calendar schedule, and closure dates for Obon and the New Year period are determined approximately two months in advance. The clinic offers English-language support, creating an accessible environment for patients who require communication in languages other than Japanese. On-site parking is available, making access by private vehicle easy. Kamaishi City is a port town located along the Sanriku Coast, and as a facility supporting local internal medicine care, the clinic addresses a wide range of internal medicine needs, from everyday health concerns to management of chronic conditions.