Toshimi Hospital, located in Hagi City, Yamaguchi Prefecture, is a community-based general hospital operated by the medical corporation Iseikai. The hospital offers a wide range of departments including internal medicine, surgery, orthopedic surgery, neurosurgery, otolaryngology, urology, radiology, general medicine, and palliative care outpatient services, with a focus on early cancer diagnosis and treatment as well as care for elderly patients. Designated as a "Regional Cancer Care Hospital," the facility provides specialized oncology services for gastrointestinal, breast, lung, and urological cancers, incorporating chemotherapy and clinical research into its treatment approach. The hospital also serves as a disaster base hospital for Yamaguchi Prefecture, playing a central role in supporting the regional healthcare safety net. Additional services include a community comprehensive care ward, dialysis facilities, health checkups and comprehensive medical examinations, and home rehabilitation, enabling continuous care from outpatient visits through hospitalization and home medical care. English-language support is available, and the hospital accepts credit cards and electronic payments, with barrier-free facilities provided. Outpatient hours are 8:30–12:00 in the morning and 15:30–17:00 in the afternoon, with closures on weekends, public holidays, year-end and New Year period, and the Obon period.