Located in Chikuma City, Nagano Prefecture, this internal medicine clinic provides English services and features a barrier-free facility with parking. For patients with fever or cold symptoms, appointments are required, and the clinic maintains strict hand sanitization and mask-wearing protocols. Specializing in internal medicine, the clinic has adopted advanced diagnostic equipment to provide rapid and thorough health assessments. The clinic also offers specific health screenings and vaccinations for chickenpox, mumps, hepatitis A, and hepatitis B. Starting May 2026, a dermatology department will be established, and the clinic will be renamed "Toyoki Internal Medicine and Dermatology Clinic." Dr. Daigo Toyoki provides medical care on Thursday mornings and the fourth Saturday of each month. Dr. Takaaki Toyoki, a Medical Doctor, Certified Internal Medicine Physician, Cardiology Specialist, and Certified Occupational Physician, serves as Director, while Dr. Daigo Toyoki, a Medical Doctor and Certified Internal Medicine Physician specializing in Nephrology, serves as Vice Director.