Located in Chuo-cho, Atami City, Shizuoka Prefecture, Kasai Clinic, operated by Keijinkai Medical Corporation, is a medical facility offering a wide range of services centered on internal medicine. A key feature of this clinic is its multi-physician specialist outpatient system. In addition to general internal medicine, specialized outpatient services in orthopedics, urology, dermatology, ophthalmology, and cardiology are available on specific days, allowing patients to receive care from multiple departments at a single facility. Morning hours are from 9:00 AM to 12:30 PM, and afternoon hours from 3:00 PM to 6:00 PM. The clinic is also open on Saturday mornings and provides morning consultations on the second and fourth Sundays, making it accessible for those who have difficulty visiting on weekdays. The facility is equipped with parking and is wheelchair accessible, accommodating visitors arriving by car and those with mobility challenges. English-speaking staff are available, ensuring a comfortable experience for patients unfamiliar with Japanese. Payment methods include credit cards and electronic payments, offering flexibility for those without cash. Situated in central Atami, a renowned hot spring resort destination, this medical facility serves as a vital healthcare resource for many patients.