Welcome To Derek Kolander, DDS Derek Kolander, DDS is proud to serve Fair Oaks as well as Rancho Cordova, Citrus Heights, Carmichael, Sacramento, Folsom, Orangevale, Gold River & Mather, to a lesser extent, Roseville, Granite Bay and Rancho Murieta. We are dedicated to providing the highest level of dental medicine along with friendly, compassionate service. If you have any questions about how we can care for your teeth & mouth, please don't hesitate to call us at (916) 961-3760. Thank you!