Tsumuraya Internal Medicine Clinic is an internal medicine clinic located in Hiyoshi-Honcho, Kohoku Ward, Yokohama City, Kanagawa Prefecture, with convenient access just a 5-minute walk from Hiyoshi-Honcho Station. In addition to internal medicine services, the clinic has an on-site dialysis room and provides dialysis treatment using Online HDF (Online Hemodiafiltration). Along with this dialysis method that places less burden on the heart and is effective for patients with low blood pressure, the facility is equipped with amenities such as on-site parking and barrier-free access to enhance outpatient convenience. The clinic director provides care for all internal medicine and dialysis patients, practicing team-based medical care with professional staff. While maintaining close cooperation with multiple hospitals including Showa University Northern Yokohama Hospital and Kawasaki Municipal Ida Hospital, it functions as a community-based primary care physician.