Enrollment Options

Gundersen Health System

Back to View Plans and Enroll

To enroll in a Quartz Medicare Advantage plan, choose from one of the three options below.


You can complete our secure, online enrollment form if you live in the following counties:

Wisconsin Service Area: Buffalo, Crawford, Jackson, Juneau, La Crosse, Monroe, Trempealeau and Vernon counties

Iowa service area: Allamakee, Clayton, Fayette, Howard and Winneshiek counties

If eligible, you may also enroll in a Medicare Advantage Plan (like Quartz Medicare Advantage) online through the CMS Medicare Online Enrollment Center at Medicare.gov. (By selecting this link, you will leave the Quartz Medicare Advantage website).


A local Medicare expert is available to meet with you to discuss your plan options. You can complete an enrollment application during this appointment if you choose. Or, you can take an application home with you to fill out and return later. There's no obligation to enroll.

To schedule an appointment, please contact us.

By Mail

You can also print an application, complete and mail to: 

Quartz Medicare Advantage (HMO)
840 Carolina Street
Sauk City, WI 53583

Please keep in mind that applications are time-sensitive. If you want to talk to a local Medicare expert about your eligibility for a Quartz Medicare Advantage plan or the date your coverage would begin, please contact us today.