Katsuyama Clinic in Fujikawaguchiko Town is an internal medicine and psychosomatic medicine clinic providing community-based healthcare services, equipped with parking and barrier-free accessibility, and offering English language support. Internal medicine consultations cover a wide range of care from colds and hay fever to lifestyle-related disease management, with psychosomatic medicine outpatient clinics held on Tuesday and Friday afternoons. The psychosomatic medicine department addresses physical conditions exacerbated by stress and provides mental health consultations for irritability and anxiety, maintaining strict confidentiality. Services also include consultations for dementia and memory problems, fibromyalgia consultations, and sleep apnea syndrome testing, as well as health consultations including health checkups, preventive health guidance, and lifestyle disease screenings. Vaccination services for influenza, hepatitis B, pneumococcal, and shingles are available by appointment, and suspected infectious disease cases are seen at the fever outpatient clinic. The clinic has an online qualification verification system using My Number cards and conducts medical care utilizing patient medical history and medication information. Medical consultations are not by appointment, and the director Dr. Hosaka Michio holds a PhD in Medicine and serves as a specialist, registered supervisory physician, and representative of the Japanese Society of Psychosomatic Medicine, as well as chairperson of the Fuji Yoshida Medical Association.