Located in Koga City East, Ibaraki Prefecture, Yamanaka Clinic is a community-based medical facility specializing in internal medicine. The clinic offers weekday hours from 8:30 AM to 6:00 PM (with a lunch break from 12:00 PM to 3:00 PM) and morning appointments on Sundays, accommodating local lifestyles. The clinic is closed on the third Sunday and national holidays, though holiday schedules may vary by year, so advance confirmation is recommended. A notable feature is the clinic's comprehensive dementia care services, including cognitive function assessments, specialist referrals and treatment coordination, home visits, preparation of nursing care insurance physician reports, and adult guardianship certification documents. English-speaking staff are available, making the clinic accessible to those unfamiliar with Japanese. The facility also offers parking and barrier-free access for patients with mobility challenges. Serving as a healthcare hub, the clinic addresses a wide range of needs from general internal medicine to specialized dementia care.