HDC Atlas Clinic, located in Ichibancho, Chiyoda-ku, Tokyo, near the Imperial Palace, is an internal medicine clinic specializing in diabetes care. Conveniently situated just a 2-minute walk from Hanzomon Station on the Tokyo Metro Hanzomon Line, it offers easy access for those commuting to the city center for work or school. Director Dr. Yoshihiko Suzuki, a graduate of Keio University School of Medicine and former visiting professor at Nippon Medical School, is a Japan Diabetes Society-certified diabetes specialist with extensive clinical and research experience. The clinic focuses on diabetes care while also managing lifestyle diseases and providing treatment in endocrinology and cardiovascular medicine, with team-based cross-disciplinary care for comprehensive health management. In addition to in-person consultations, the clinic offers membership-based online consultations available from the first visit, allowing patients to choose flexible consultation styles suited to their lifestyles. The clinic is open on weekdays and Saturdays (Saturday: GLP-1 obesity treatment only), accommodating patients who find it difficult to visit on weekdays due to work commitments. Treatment plans are scientifically grounded, with regular re-evaluations based on pancreatic function and GAD antibody test results. Credit cards and electronic payments are accepted.