Nishi Kumagaya Hospital is a psychiatric hospital located in Ishihara, Kumagaya City, Saitama Prefecture. The hospital provides treatment for mental disorders such as schizophrenia, depression, dementia, and adjustment disorders, offering a combination of pharmacotherapy and psychotherapy. For schizophrenia treatment, medication is combined with psychotherapy and rehabilitation to address symptoms like hallucinations and delusions. In depression treatment, the hospital ensures patients can get adequate rest while combining medication and psychotherapy to reduce symptoms. For dementia, pharmacotherapy slows progression while alleviating peripheral symptoms such as agitation, excitement, and delusions, and rehabilitation helps maintain remaining functions. The hospital also emphasizes rehabilitation, offering occupational therapy for inpatients and day care for outpatients, in addition to operating lifestyle training facilities and community activity support centers. The dementia day care program provides rehabilitation to maintain cognitive and physical functions, enabling patients to continue living at home as much as possible. The hospital offers English services, has parking, and is barrier-free.