Located at the center of Oguchi-dori Shopping Street in Kanagawa Ward, Yokohama City, Oguchi Saito Clinic is an internal medicine clinic a 6-minute walk from JR Oguchi Station and Keikyu Koyasu Station. The clinic primarily treats lifestyle diseases including hypertension, dyslipidemia, diabetes, and hyperuricemia, as well as cardiovascular diseases, respiratory diseases, and general internal medicine conditions. They also handle suture treatments for cuts and abrasions, burns, post-operative care, ingrown nails, contusions, lower back pain, knee pain, and post-cancer surgery follow-up. For endoscopic examinations, patients can choose between transnasal endoscopy and sedated transoral endoscopy according to their preferences. The clinic meets the facility standards for outpatient infection control improvement, with the director as the infection control manager leading all staff in hospital infection prevention measures. As part of medical information acquisition, they have introduced an online qualification verification system and also support generic prescription addition and statement issuance system addition. They use IMMUNO AG-1 for influenza testing and accept applications for Yokohama City specific health checkups, stomach cancer screenings, and various vaccinations at any time. English language services are available, and a fever outpatient clinic is also provided.