Located just a 2-minute walk from the North Exit of Kiyose Station on the Seibu Ikebukuro Line in Kiyose City, Tokyo, Tomimatsu Pediatric Cardiology Clinic provides comprehensive care including pediatrics, cardiology, allergy treatment, infant health checkups, and vaccinations. Situated on the second floor of Pleandoor J, the clinic handles everything from common childhood illnesses to specialized cardiac and cardiovascular examinations, offering the specialized field of pediatric cardiology to the local community. The clinic operates on weekdays as well as Saturday, Sunday, and holiday mornings, with Sunday afternoon hours also available, making it highly accessible for families who have difficulty visiting during weekdays. Infant health checkups and vaccinations are offered by appointment on Tuesday and Saturday afternoons, and specialized outpatient services are also available by appointment on multiple days per week. A queue reservation system has been implemented to reduce waiting times, allowing returning patients to reserve their place in line via the internet. The clinic is equipped with parking and is barrier-free, ensuring a comfortable environment for families with small children and those requiring mobility assistance.