Mitarai Hospital, located in the Kamae district of Saiki City, Oita Prefecture, serves as a cornerstone of local healthcare by providing internal medicine services. The hospital operates on weekdays from 8:00 AM to 5:00 PM (Saturday mornings only), with Sundays and national holidays as closing days. With a focus on internal medicine, the facility supports the routine health management needs of local residents. A notable feature is the availability of English-language services, demonstrating flexibility in accommodating patients with language barriers. For visitor convenience, a parking lot is available, ensuring easy access by car. Additionally, the hospital functions as a designated facility for specific health screenings, offering facility-based preventive care services. Screenings are conducted by appointment and include multiple examination items such as blood tests and fundus examinations. Screening hours align with regular consultation hours, with a capacity to handle approximately 100 specific health screenings annually. Through these initiatives, the hospital contributes to the promotion of preventive healthcare in the local community.