The study population will encompass users of outpatient primary care clinics of one or more health care systems who are considered to be at average-risk for developing colorectal cancer (CRC), have not completed standard screening options, and are not up-to-date with a screening program. Such health care systems may include large healthcare networks with relatively stable patient bases such as Geisinger Health Systems (Danville, PA), Kaiser Permanente (Portland, OR).