Reiwa Arakawa Hospital is a 240-bed general hospital located in Higashi-Ogu, Arakawa-ku, Tokyo. It opened in April 2023 on the former site of Tokyo Women's Medical University East Medical Center, which had over 80 years of history, at the request of Arakawa-ku, and was established by Medical Corporation Seishikai. The hospital is designated as a special affiliated hospital of Nippon Medical School and serves as a hub connecting university hospital-level advanced medical care with community healthcare. The hospital offers a wide range of internal medicine departments including cardiology, gastroenterology, respiratory medicine, nephrology (dialysis), diabetes and metabolism, and neurology, as well as surgery, orthopedics, obstetrics and gynecology, pediatrics, and ophthalmology, providing comprehensive care from emergency to convalescent rehabilitation. The hospital maintains a 24-hour ambulance acceptance system to respond to emergency patients in the community. Multilingual support including English and Korean is available, along with various payment methods such as credit cards, debit cards, and electronic payments. The facility also has a parking lot and barrier-free features, making it accessible to a diverse range of patients. Online appointment booking is available for adult, pediatric, and obstetrics/gynecology consultations, allowing patients to complete pre-visit procedures online.