Behavioral Health Services of McKinney, TX Medical City McKinney, located at Virginia Parkway and Highway 75, has been the leading inpatient Behavioral Health provider in Collin County for more than a decade. Medical City McKinney's warm and nurturing environment provides the ideal setting for adults and seniors receiving treatment for a wide range of Behavioral Health conditions including depression, anxiety, suicidal and/or aggressive behavior, psychotic thinking and bipolar disorder.