Mashiba Clinic is an internal medicine clinic located in Midori-cho, Hannō City, Saitama Prefecture. It is conveniently situated approximately a 5-minute walk from Higashi-Hannō Station East Exit and about 5km from Sayama-Higashi Interchange. The clinic offers 40 parking spaces and is fully barrier-free, making it easily accessible for wheelchair users and those with mobility concerns. Clinic hours are 9:00 AM to 12:30 PM and 3:00 PM to 6:30 PM on weekdays, and 2:00 PM to 5:30 PM on Saturdays. The clinic is closed on Sundays and holidays. According to the official website, English services, credit cards, and electronic payments are available. Dr. Shōji Mashiba, the clinic director, has set forth a mission to diagnose any illness, and continuously introduces state-of-the-art diagnostic equipment while securing physicians from various specialties. The clinic emphasizes early detection, and through advanced diagnostic equipment and a diverse team of specialists, it is able to diagnose and predict the four leading causes of death: "malignant neoplasms," "heart diseases," "pneumonia," and "cerebrovascular diseases."