Tokachi Mutsumi Clinic, located in Obihiro City, Hokkaido, is a clinic specializing in psychiatry, child and adolescent psychiatry, psychosomatic medicine, and allergy. Dr. Mutsuo Naganuma, the clinic director, specializes in the treatment of HSP, HSC, neurodevelopmental disorders, developmental trauma, attachment disorders, chronic fatigue syndrome, and various hypersensitivities, aiming for integrated care from multiple perspectives including brain, mind, body, and nutrition. The clinic is characterized by a unique approach combining Western and traditional medicine, actively addressing conditions that are difficult to diagnose as definite diseases. The clinic conducts Wechsler intelligence tests such as WPPSI, WISC-IV, and WAIS-IV, as well as psychological tests like K-ABC-II, and the MAST36 test which can measure 36 allergens simultaneously. Counseling is also available as non-insured treatment, providing support for challenging cases where symptoms are present but no diagnosis has been established. The clinic maintains constant ventilation and air purification, and patients can use private rooms with beds according to their condition, demonstrating thorough consideration for patients. The facility features a parking lot and barrier-free access, and medical consultations are available in English.