Niki Heart Clinic

Niki Heart Clinic is a cardiology and internal medicine practice on Honmachi 4-chome in Shibuya Ward, Tokyo, sitting at the border of the Shibuya, Nakano, and Shinjuku districts. Led by director Dr. Kiyomi Niki, a female physician trained at Tokyo Women's Medical University with a background in cardiology and ultrasound diagnostics, the clinic emphasizes early detection and preventive care. It offers a range of cardiac and internal-medicine testing (ECG, chest X-ray, ultrasound, 24-hour ECG, sleep apnea screening, CPAP follow-up), general health checkups, vaccinations, and a separate fever/infection clinic. Online consultations are available, and the clinic uses an automated payment machine to speed up visits. It is a short walk from Nishi-Shinjuku-gochome Station on the Toei Oedo Line.