Contact Information for Preferred Health Choices Mailing Address Preferred Health Choices, LLC 1605 Associates Drive Suite 101 P.O. Box 5003 Dubuque, IA 52002 For claims inquiries, enrollment information and benefits: Phone: 563-584-4783 Toll-Free: 866-390-3872 Fax: 563-556-5134 For questions on prior authorizations: Phone: 563-584-3275 Toll-Free: 800-325-7442 Fax: 563-585-1545 Flex Spending Administration: Health Choices, FSA 1605 Associates Drive, Suite 101 PO Box 5009 Dubuque, IA 52004-5009 Phone: (563) 584-4783 Toll-free: 866-390-3872 Fax (563) 584-4778