Located a 3-minute walk from Higashi-Shinjuku Station and a 5-minute walk from Shinjuku-Sanchome Station, Higashi-Shinjuku Endoscopy Internal Medicine Clinic provides specialized gastroenterology and endoscopic examinations performed by endoscopy specialists certified by the Japan Gastroenterological Endoscopy Society. The clinic performs approximately 250 endoscopic examinations per month and about 3,000 per year, offering painless endoscopic examinations using sedatives. Same-day examinations are available for both gastroscopy and colonoscopy, and simultaneous examinations of both are also possible. High-precision gastroscopy is conducted using an AI endoscopic support system. The clinic offers medical consultations and examinations on weekends and holidays, and online pre-examinations and mailing of laxatives are also available. The clinic provides day endoscopic surgeries such as EMR, EMR-L, and ESD, and also handles gastrointestinal treatments including CT and abdominal ultrasound. The clinic operates on an appointment-only basis and is for patients aged 18 and above. Credit cards, debit cards, and electronic payments are accepted, and the facility is barrier-free. English-speaking staff are available, and the clinic is designed to be user-friendly for digital natives.