Located in Kasamatsu Town, Hashima District, Gifu Prefecture, Aisei Hospital offers internal medicine, dermatology, cardiology, gastroenterology, radiology, and rehabilitation, with full-time physicians in each department. Established as the Hattori Clinic in 1926 and reorganized as Aisei Hospital in 1980, it has continuously enhanced its facilities through ward reconstruction and new construction, contributing to regional healthcare development. The hospital is equipped with long-term care beds and provides home medical care and specific health checkups upon request. Additionally, it offers English-language support, parking, and barrier-free facilities.