Kagurazaka Okada Clinic, located in Yaraicho, Shinjuku Ward, specializes in internal medicine and provides services in multiple languages including English and Korean. The clinic operates from 9:00 AM to 1:00 PM Monday through Saturday, and from 3:00 PM to 6:00 PM Monday through Friday. The clinic is closed on Thursday afternoons, Saturday afternoons, Sundays, and holidays. In addition to general internal medicine symptoms such as fever, headache, and cough, the clinic treats kidney-related conditions including diabetic nephropathy and nephrosclerosis, as well as lifestyle diseases such as diabetes, obesity, stroke, heart disease, hyperlipidemia, hypertension, arteriosclerosis, and gout. Digestive system disorders including abdominal pain, diarrhea, vomiting, constipation, acute gastroenteritis, gastroesophageal reflux disease, chronic gastritis, gastric and duodenal ulcers, and irritable bowel syndrome are also treated. Various health checkups and vaccinations are available, and parking is provided. Established in 1994, this historic facility is equipped to support the community's health as a local primary care provider.