Sachiko Otsuki Clinic, located in Otsuki, Otsuki City, Yamanashi Prefecture, is a clinic specializing in internal medicine, valuing women's health and smiles. The clinic features a parking lot, barrier-free facilities, and provides English-language services. In addition to internal medicine, the clinic offers both catch-up and routine cervical cancer vaccinations. Mask wearing indoors has been left to individual discretion since July 2025, though continued use is recommended for those with symptoms such as fever or cough. The clinic actively promotes medical digital transformation, offering online billing, online eligibility verification, and electronic prescriptions. To reduce waiting times, a fully appointment-based system is in place, and appointments must be made in advance for your preferred date and time. Patients are recommended to arrive 10 minutes before their appointment time, and appointments take priority. Even for sudden illness requiring examination, prior contact is required.