Kasagai General Rehabilitation Hospital, operated by Medical Corporation Keiunkai and located in Kokufu, Kasagai-cho, Fuefuki City, Yamanashi Prefecture, boasts excellent accessibility: a 10-minute drive from the Chuo Expressway Ichinomiya Misaka Interchange and a 10-minute taxi ride from JR Chuo Main Line Isawa-Onsen Station. Established in 1978 as a specialized rehabilitation hospital, it provides rehabilitation services for patients suffering from cerebrovascular disorders and various aftereffects. The hospital practices a 365-day care system through team medicine involving physicians, nurses, physical therapists, occupational therapists, speech-language-hearing therapists, medical social workers, and other staff. In addition to rehabilitation medicine, the hospital also advances initiatives in the field of cancer treatment. In April 2012, it became one of the first in Japan to introduce the state-of-the-art cancer treatment device CyberKnife G4, and in September 2015, it upgraded to the new model. In 2023, it achieved a record of over 2,700 treated cases. The facility features a parking lot, barrier-free accessibility, and English communication support.