Fukushima Mental Clinic, a medical corporation located in Wakasato, Nagano City, Nagano Prefecture, is a clinic specializing in psychiatry. The clinic is open on weekdays except Wednesdays from 8:30 AM to 8:00 PM, accommodating patients who are working. They accept same-day initial consultations, enabling treatment to begin at an early stage. As the first clinic in the prefecture to introduce optical topography examination, they support understanding and acceptance of the illness based on objective data. They place emphasis on diagnosing developmental disorders and approach underlying factors contributing to mental illnesses. Since January 2018, they have started high-intensity light therapy to regulate biological rhythms, aiming to improve the easily disrupted biological rhythms of modern people caused by exposure to light day and night from smartphones and computers. They offer English language support and have parking facilities. In June 2020, they opened a branch clinic as a log-house style clinic in Tokura, Chikuma City.