Katsumi Clinic, located in Higashisae, Ojiya City, Niigata Prefecture, is a medical clinic specializing in internal medicine. The clinic is closed on Wednesdays, Sundays, and public holidays, as well as during Golden Week, Obon holidays, and year-end/New Year periods. Appointments are prioritized, and while walk-in patients are accepted, they may be asked to reschedule on busy days. English-speaking staff is available, and parking is provided. Barrier-free facilities are in place, ensuring accessibility for all patients. When the director is absent, substitute doctors provide medical care. New counseling patients are not currently accepted.