JTK Clinic, located in Kojimachi, Chiyoda-ku, Tokyo, is an internal medicine specialty clinic operated by Medical Corporation Chishinkai. Situated in a corner of Chiyoda-ku's business district, the clinic provides medical care on weekdays from 10:00 AM to 5:30 PM. The clinic places particular emphasis on continuous management of lifestyle-related diseases, creating treatment plans that include guidance on blood pressure, weight, diet, and exercise for patients with conditions such as hypertension, diabetes, and dyslipidemia, supporting health management through regular follow-ups approximately every three months. During consultations, the clinic utilizes the Online Eligibility Confirmation System, leveraging My Number health insurance card data to deliver high-quality medical care. For medications with available generic alternatives, the clinic follows a policy of prescribing by generic name after thorough explanation to patients, demonstrating consideration for reducing healthcare cost burdens. The clinic also offers online consultations, maintaining a flexible system to accommodate patients who have difficulty visiting in person. Services such as medical certificates in English and Chinese, as well as in-hospital interpretation services, are available to meet diverse needs. Payments can be made via credit card, debit card, or electronic payment, enabling cashless settlement.