Keisen Second Clinic is located on the 2nd floor of Frontier Building in Minami-Karasuyama, Setagaya-ku, Tokyo, accessible by going straight through the shopping district from Chitose-Karasuyama Station North Exit. As a certified medical institution by the Japanese Society of Sleep Medicine, the Snoring/Sleep Apnea Clinic primarily treats sleep apnea syndrome, while the Otolaryngology Department, staffed by specialists, handles general ear, nose, and throat conditions. Outpatient services are available from 9 AM to 8 PM, with morning hours from 9 AM to 12:15 PM and afternoon hours from 2 PM to 4:30 PM. Payment methods include credit cards and electronic payments, and barrier-free facilities are available. The clinic features comprehensive infection control measures, including designating the director as an infection control manager and establishing an infection prevention department. The clinic collaborates with the Japan Self-Defense Forces Central Hospital on infection control measures and is committed to appropriate antibiotic use. With an online qualification verification system in place, the clinic strives to provide high-quality medical care by acquiring and utilizing medical information through My Number insurance cards.