Located in Tsuneda, Ueda City, Nagano Prefecture, Kobayashi Neurosurgery and Neurology Hospital (Kenwa-kai Medical Corporation) serves approximately 200,000 people primarily in Ueda City. The hospital provides treatment for stroke, head trauma, brain tumors, and neurological diseases. It is designated as a Certified Training Hospital by the Japan Stroke Society, with 24,116 outpatients and 550 inpatients from April 2024 to March 2025. The hospital performed 129 surgeries from January 2024 to December 2025, covering brain tumor surgery, cerebral aneurysm surgery, and endovascular procedures. It also operates a memory clinic and hosts dementia cafes, demonstrating a strong commitment to dementia care. The hospital offers Tumor Treating Fields (TTF) therapy and accepts My Number cards as health insurance cards. English-speaking staff are available, and the facility features parking and barrier-free accessibility.