Ochiai Parkside Clinic is a medical clinic that primarily specializes in internal medicine, opened in December 2004 in Kamiochiai 1-chome, Shinjuku Ward. In addition to internal medicine, the clinic provides comprehensive medical care in pediatrics, cardiology, respiratory medicine, gastroenterology, and allergy. The director, who is a board-certified cardiologist and internal medicine specialist, has experience serving as Director of Internal Medicine and ICU Director at general hospitals in Tokyo. Clinical hours are from 8:30 AM to 1:00 PM on weekdays and Saturdays, and from 2:30 PM to 6:30 PM on Mondays, Wednesdays, and Fridays. The clinic is closed on Thursday afternoons, Sundays, and holidays. Additionally, as part of infection control measures, the clinic sees patients with fever on a separate floor. The facility also offers convenient amenities such as English-speaking services, parking, and barrier-free accessibility. As a designated medical institution under the Livelihood Protection Act and for rare diseases, the clinic is an insurance-based medical facility and supports online eligibility verification and online billing for medical insurance fees.