Located in Bunkyo Ward, Tokyo, N2クリニック ホテル椿山荘東京院 is a fully reservation-based private clinic housed within Hotel Chinzanso Tokyo, specializing in internal medicine. The clinic's defining feature is its commitment to world-class, science-driven medicine, guided by a leading authority in aging mechanism research and supported by collaborations with domestic and international laboratories for cell quality management and specialized diagnostics. The clinic advocates "personalized medicine," conducting thorough examinations and consultations before crafting treatment plans tailored to each patient's condition. Its services span from regenerative medicine, including stem cell therapy, to minimally invasive liposuction and fat transfer using BeautiFill®, as well as nutritional and beauty IV drips—emphasizing both internal and external approaches to care. Set within a luxury hotel renowned for its expansive private gardens, the clinic offers an exclusive, fully private environment where patients can receive treatment in comfort—an advantage unique to this facility. Safety management is another priority, with comprehensive regenerative medicine support insurance and a proprietary rigorous safety review system in place. The clinic also provides medical interpreter services and online consultations, with a healthcare framework overseen by travel medicine-certified physicians backed by insights from international collaborative research projects. Payment methods include credit cards, electronic payments, and debit cards, and the facility is equipped with barrier-free access and parking. The clinic is open Tuesday through Saturday from 10:00 AM to 6:00 PM (with a lunch break), and is closed on Mondays, national holidays, and the year-end/New Year period.