Oaso Hospital is located in Aso City, Kumamoto Prefecture, providing medical care primarily in internal medicine, along with cardiology, gastroenterology, orthopedics, rheumatology, rehabilitation medicine, and respiratory medicine. The hospital offers comprehensive medical services ranging from prevention to treatment, secondary emergency care, rehabilitation, and home care support, supporting the health of local residents. The facility is a four-story reinforced concrete building with 29 four-person rooms, 14 two-person rooms, and 5 single rooms in the convalescent ward, with a capacity of 97 patients in the medical ward and 52 in the nursing care facility. The multidisciplinary staff includes physicians, pharmacists, radiology technicians, clinical laboratory technicians, registered dietitians, physical therapists, occupational therapists, speech-language-hearing therapists, nurses, assistant nurses, care support specialists, certified care workers, and social workers. On-site facilities include X-ray rooms, endoscopy rooms, operating rooms, rehabilitation rooms, outpatient rehabilitation centers, and a shop. Outpatient services are available on weekdays from 9:00 to 13:00 and 14:00 to 18:00, with Sundays and holidays closed. Payment by credit card and electronic payment is accepted, with parking and barrier-free access available. English language support is also available. With these comprehensive facilities and services, the hospital meets a wide range of healthcare needs in the community.