Aiiku Hospital, located in Chuo-ku, Sapporo, is a general hospital primarily focused on internal medicine, operated by Kikugokai Medical Corporation. The hospital offers a broad range of departments—including hematology, gastroenterology, diabetology, cardiology, surgery, orthopedic surgery, pediatrics, anesthesiology, and rehabilitation—serving as a core regional hospital that handles everything from routine health checkups to specialized medical care. Hematology stands as the hospital's flagship specialty; equipped with a sterile treatment room, the facility is recognized as a key center for blood disease treatment in Hokkaido. Hospital director Sei Mori received the Reiwa 6 (2024) Hokkaido Medical Association Award and the Hokkaido Governor's Award for research on the effectiveness of COVID-19 vaccines in patients with hematopoietic disorders, and the hospital maintains an active presence in academic activities on a global scale. The hospital also offers "Locomotive Syndrome Health Checkups" for early detection of declining mobility, reflecting a strong commitment to preventive medicine aimed at extending healthy life expectancy. The facility features a parking lot and is fully barrier-free accessible; consultations in English are available, and both credit card and electronic payment methods are accepted. The hospital is closed on Sundays, public holidays, and during the year-end and New Year period.