Our customer service representatives are available to speak with you by phone Monday–Friday from 8 a.m. to 6 p.m. ET. You can also fax or email us. Our website and online service center are available 24/7.
Healthcare Providers Service Organization (HPSO)
159 E. County Line Road
Hatboro, PA 19040-1218
Fax for Applications: 1-800-739-8818
Fax for Correspondence: 1-800-758-3635