Ivy M. Andersen, M.D. Ivy M. Andersen, M.D. (720) 279-9098 Primary Specialties Sleep Medicine SHARE Primary Office Address Colorado Sleep Institute 4895 Riverbend Road, Suite A Boulder, CO 80301 Get Directions Phone (720) 279-9098 Fax (720) 540-4250 Website coloradosleep.org/ivy-andersen Secondary Office Address 1551 Professional Lane, Suite 220 Longmont, CO 80501 Get Directions Phone (720) 279-9098 Fax (720) 540-4250 Education Medical School University of Iowa Residency Vanderbilt University Fellowship Vanderbilt University