Nagao Clinic is an internal medicine clinic located in Honmachi, Toda City, Saitama Prefecture, a 5-minute walk from the East Exit of Toda-Koen Station on the JR Saikyo Line. It offers internal medicine, cardiology, endocrinology, and pediatrics, treating lifestyle-related diseases such as hypertension, diabetes, and dyslipidemia. Morning hours are from 9:00 to 12:00, and afternoon hours are generally from 14:30 to 18:30, with Monday and Wednesday afternoons from 14:00 to 17:00, and Saturday afternoons from 13:00 to 16:00. The clinic is closed on Sundays and holidays. The clinic provides English-speaking support and accepts credit cards and electronic payments, offering flexible payment options. It also features parking and barrier-free accessibility.