Third-Party Administrators
Organizational Chart
P.O. Box 579
Roseville, CA 95661
(916) 677-4359
(800) 771-5454
Third Party Administrator/Drug & Alcohol Testing
Preferred Alliance
16960 S. Harlan Rd., Bldg. 2, Suite 2D
Lathrop, CA 95330-8738
Toll Free: (877) 272-5227
FAX: (209) 858-2669
www.preferredalliance.com
For program questions or problems: supportdesk@preferredalliance.com
Contact:
Problems with testing, positive test results, MRO question, or serious problems call:
Changes in your district personnel lists can be made by fax (209) 858-2669 or e-mail, supportdesk@preferredalliance.com
If there is ever a problem (no matter what kind) Linda Ploof should be notified
Linda Ploof
Cell: (209) 481-6078
FAX: (209) 858-2669