Upon graduation from dental school in 1980, she established her first private practice in the Dallas suburb of Duncanville. She maintained this practice for 20 years, establishing high standards of excellence, integrity and compassion. In 2000, she relocated to Grayson County, where she joined the practice of Dr. Don Skelton in Denison, taking over full ownership in 2007. Dr. Hickey is a proud member of the American Dental Association and Texas Dental Association, and a regular participant in the Southwest Dental Conference and the Excellence in Dentistry seminar series. She and her husband, George Morgan Jr., reside near Gordonville and enjoy all of the wonderful outdoor activities that Lake Texoma has to offer.