As of April 2015, the Express Scripts fax number for orders placed within the United States is 1-877-895-1900. Importantly, only physicians can fax prescriptions to Express Scripts. Even if a doctor signs a prescription, a patient cannot fax it.
In addition to faxing prescriptions to Express Scripts, physicians can also contact 1-877-283-3858 or send prescriptions by mail to Express Scripts, Inc., PO Box 52150, Phoenix, AZ 85072. Express Scripts is a prescription plan for people with government and union health insurance, such as those in the military.
