Member Services
Hours: 8:00am-5:00pm
877.514.2442
TTY: 844.472.2442
info@commongroundhealthcare.org
Walk-in service is available from 8:00am-4:00pm.
Please email to schedule an appointment. If you do not have access to email, please call Member Services to schedule your appointment.

Prescription Questions
(OptumRx)
855.577.6545

Premium Payment Mailing Address

CGHC
Box 78553
Milwaukee, WI 53278-8553

Claims Mailing Address

CGHC Claims and Correspondence
PO Box 1630
Brookfield, WI 53008-1630