Medical Corporation Sekiaikai Yokohama Maioka Hospital is a medical institution located in Maioka-cho, Totsuka-ku, Yokohama City, Kanagawa Prefecture. It offers internal medicine services and features English language support. The hospital was established in 1957 with 50 beds, and after several expansions, it now has 600 authorized beds. In 2014, the facility received certification as the Yokohama City Dementia Disease Medical Center. Building on this expansion, the hospital opened the elderly healthcare facility "Sen no Hoshi Yokohama" in 2008, responding to local healthcare needs through both medical and nursing care. The facility is closed on Sundays, holidays, and year-end/new year (December 29 to January 3), and features such as parking and barrier-free accessibility are well-equipped.