Contact Us

We’re here to help. If you have a question about one of our plans, how to use your benefits or how to make a claim, please don’t hesitate to contact us.


Member Services
Hours: 8:00am-5:00pm, Mon-Fri

(except some holidays*)

TTY using WI Relay Service: 711


Appointments are available.

To schedule, email:

or call  Member Services at 877.514.2442


*CGHC is closed for the following holidays:

New Year’s Day

Memorial Day

Independence Day

Labor Day

Thanksgiving Day

Friday After Thanksgiving

Christmas Eve Observed – 12/22/2023

Christmas Day

New Year’s Eve Observed – 12/29/2023 Afternoon


Prescription Questions


Premium Payment Mailing Address
Box 78553
Milwaukee, WI 53278-8553


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

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Broker & Navigator Inquiries


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Appeals and Grievances


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Notice: Please keep in mind that communications sent via email over the internet, unless sent encrypted, are not necessarily secure. Although unlikely, there is a possibility that the information you include in an email can be intercepted and read by other persons besides the one whom it is addressed.

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