Located in a green residential area of Oizumigakuen-cho, Nerima Ward, Tokyo, Oizumi Hospital is a psychiatric hospital. Since its establishment in 1955, the hospital has been dedicated to psychiatric care, aiming to be an urban treatment hospital. In addition to medication therapy, the hospital emphasizes occupational therapy, recreation programs, and psychoeducation programs starting from during hospitalization, with the goal of social rehabilitation through short-term inpatient treatment. The hospital strives to improve the amenity of the treatment environment and ensures users can use the facility with peace of mind. It also offers convenience in terms of access, including English support, credit card and electronic payment options, parking facilities, and barrier-free accessibility. The hospital is closed on Sundays, holidays, and year-end/New Year holidays, and implements infection control measures such as mask recommendations and thorough hand disinfection.