Koike Clinic, located in Ogasawara, Minami-Alps City, Yamanashi Prefecture, is a medical facility specializing in internal medicine, equipped with parking and barrier-free facilities. English language services are available, and the clinic transitioned to a specified appointment system on May 19, 2025, primarily treating patients of junior high school age and above. As part of medical digital transformation initiatives, the clinic has implemented online eligibility verification and encourages the use of My Number insurance cards. The clinic claims generic prescription fees and provides infection control measures as part of the outpatient infection control improvement fee, accepting febrile patients as a designated Type 2 medical institution. Through the medical information acquisition fee, the clinic aims to provide high-quality medical care by utilizing treatment information such as pharmaceutical information and specific health checkup data. The clinic resumed regular operating hours on January 17, 2026, after the winter schedule ended. Influenza vaccine reservations are accepted online until December 27, 2025, and COVID-19 vaccinations are available until March 31, 2026.