Kitajima Internal Medicine & Gastroenterology Clinic is located in Rokubo Kitamachi, Oita City, Oita Prefecture, specializing in gastroenterology and general internal medicine. The clinic operates Monday through Saturday with morning hours from 9:00 AM to 12:00 PM and afternoon hours from 3:00 PM to 5:30 PM, closed on Sundays and holidays. The clinic emphasizes early detection and treatment through endoscopic procedures. Gastroscopy is available by appointment during weekday and Saturday mornings. Colonoscopy requires a prior consultation and is offered on Monday, Wednesday, Thursday, Friday, and Saturday afternoons. The gastroenterology department diagnoses and treats conditions affecting the digestive system from the mouth through the intestines, including the liver, gallbladder, and pancreas. They manage both structural diseases such as tumors, ulcers, gallstones, and hepatitis, as well as functional disorders including constipation, gastroesophageal reflux disease, and irritable bowel syndrome. The general internal medicine department treats acute infections like colds and influenza, and provides diagnosis, treatment, and lifestyle counseling for chronic conditions including hypertension, diabetes, dyslipidemia, and hyperuricemia. The clinic is equipped with ultrasound technology, offering abdominal, carotid artery, and thyroid examinations without radiation exposure. Additional services include health screenings, vaccinations, and gut flora analysis. The facility features on-site parking, barrier-free accessibility, and online appointment and questionnaire systems. The clinic aims to provide specialized, patient-centered care with a warm, compassionate approach. English assistance is available.