Located in Fujikawaguchiko, Minamitsuru District, Yamanashi Prefecture, Katsuyama Clinic is a medical facility specializing in internal medicine and psychosomatic medicine, approximately 10 minutes by car from Kawaguchiko Station on the Fuji Kyuko Kawaguchiko Line. The clinic is committed to community-based healthcare, addressing conditions from common ailments such as colds and hay fever to the management of lifestyle diseases including hypertension and diabetes. On Tuesday and Friday afternoons, psychosomatic medicine outpatient services are offered, providing consultations for stress-induced physical symptoms, irritability, anxiety, and other mental health concerns, with an approach that addresses both mind and body. The clinic also features specialized services including consultations for dementia and memory issues, fibromyalgia, and sleep apnea testing. Director Michio Hosaka holds numerous qualifications, including specialist and training supervisor certifications from the Japanese Society of Psychosomatic Medicine and the Japanese College of Psychosomatic Internal Medicine, and is actively engaged in academic activities. Vaccinations such as influenza and pneumococcal vaccines are available by appointment, and the ability to visit without a prior appointment adds to its convenience. With a parking lot and barrier-free facilities, the clinic offers an accessible environment for a wide range of patients.