Located in Nichinan City, Miyazaki Prefecture, Oi Surgical Clinic provides comprehensive medical care centered on surgery while also covering internal medicine. The clinic operates from 8:30 AM to 12:00 PM in the morning and 2:30 PM to 6:00 PM in the afternoon, with closures on Thursdays, Sundays, and national holidays. The clinic treats chronic conditions including lifestyle-related diseases as well as acute ailments such as injuries and fevers, delivering community-based healthcare. Blood tests, X-rays, ECGs, ultrasound examinations, and transnasal endoscopy (by appointment only) are available. Various health screenings including specific health checkups and statutory health examinations are offered, with reservations also accepted for corporate health checkups and vaccinations. A smoking cessation clinic provides support through oral medication treatment. The facility includes a parking lot and is wheelchair accessible. English-speaking services are available, and the clinic utilizes online eligibility verification and electronic prescriptions. A web reservation system has been implemented to reduce waiting times, with pre-visit questionnaire entry also supported. In this way, the clinic serves as a healthcare facility that broadly supports the health management of local residents.