Matsunaga Internal Medicine Clinic is located on the 4th floor of Hamamatsu Medical Park Building in Chuo Ward, Hamamatsu City, Shizuoka Prefecture, and provides medical care primarily in internal medicine and gastroenterology. In addition to internal medicine and gastroenterology, the medical specialties include health checkups such as general health examinations, corporate health examinations, and specific health examinations, as well as vaccinations. Consultation hours are set from 9:00 AM to 12:30 PM and from 3:30 PM to 6:00 PM, with Saturday afternoons shortened to 2:00 PM to 4:00 PM. The clinic is closed on Sundays and holidays, with only morning consultations available on Saturdays. This clinic is capable of providing services in English, and is equipped with facilities that consider patient convenience, such as parking lot provision and barrier-free accessibility. Located within Hamamatsu Medical Park Building, it has excellent access to the city center.