Preferred IPA UM Department
P.O. Box 4449
Chatsworth, CA 91313
Phone: (800) 874-2091
Fax: (800) 874-2093
Office Hours: Monday through Friday 8:30 A.M. – 5:00 P.M.
Preferred IPA UM Department
P.O. Box 4449
Chatsworth, CA 91313
Phone: (800) 874-2091
Fax: (800) 874-2093
Office Hours: Monday through Friday 8:30 A.M. – 5:00 P.M.