Located in Koibuchi, Kasama City, Ibaraki Prefecture, Tomobe Central Clinic is a specialized clinic that provides general internal medicine with a focus on diabetes and thyroid diseases. The clinic's director, Dr. Hideo Iijima, holds a diabetes specialist qualification from the Japan Diabetes Society. After graduating from Dokkyo Medical University, he gained experience in endocrinology and metabolism at university hospitals and national hospitals, and opened the clinic in 2009. In their medical practice, they emphasize the prevention and progression of complications through blood sugar control, adopting individualized treatment approaches including insulin pump therapy. On Wednesday, Friday, and Saturday mornings, the clinic operates with a two-doctor system where diabetes and endocrinology specialists from university hospitals join the team, providing a more specialized medical environment three days a week. The clinic offers same-day blood sugar and HbA1c testing, as well as fundus examinations for early detection of diabetic retinopathy and abdominal ultrasound scans, allowing many tests to be completed at a single location. A registered dietitian with a certified diabetes educator qualification is always on duty, providing comprehensive dietary support. English-speaking services are available, and the clinic features a barrier-free design with 44 parking spaces, allowing wheelchair users to move freely throughout the facility. All consultations are by appointment only, with hours on Monday, Tuesday, Wednesday, and Friday mornings and afternoons, and Saturday mornings.