Located in Iragawa, Sayama City, Saitama Prefecture, Social Medical Corporation Foundation Ishinkai Saitama Ishinkai Hospital provides a specialized medical care system centered on internal medicine. In addition to general internal medicine, the hospital offers highly specialized departments including infectious diseases, diabetes, metabolic endocrinology, respiratory medicine, and cardiology. Outpatient services are available Monday through Friday from 8:30 AM to 5:00 PM, and Saturdays from 8:30 AM to 12:30 PM, with closures on Sundays and holidays. The emergency department operates 24 hours a day, 365 days a year, ensuring prompt medical care in urgent situations. The facility is equipped with parking and is barrier-free, supporting patients in various circumstances. Payment methods include credit cards, debit cards, and electronic payment for enhanced convenience. Multilingual support is provided in English, Korean, and other languages.