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Eligibility & Service Area

To be eligible for Quartz Medicare Advantage (HMO), you need to:

  • Be eligible for Medicare Part A
  • Be enrolled in Medicare Part B
  • Be a resident of our service area

Wisconsin Service Area:

  • Waukesha County


Map-Gundersen Health System MA

Enrollment Options

Once you decide on the plan that's right for you, enrollment is easy. You can enroll by:

 ContactUs_Red_White_Web   Meeting with a local Medicare plan expert safely over the phone.

Call to schedule an appointment at (608) 881-8242.

 SignForm_Red_Gray_Web  Completing a printed application and mailing it to us.
 DesktopWithMouse_Red_Circle  Completing an application online.

See an in-depth review of the options available and to start the process today.

Or just enroll now!

Have a question?

We have answers.

Call (800) 362-3310

Give us a call:
(800) 394-5566 
TTY 711 or
(800) 877-8973 


8 a.m. to 8 p.m. Monday-Friday (year-round)

8 a.m. to 8 p.m. Saturday-Sunday (Oct. through March only)

If you would rather find answers on your own, you can visit our Frequently Asked Questions.

We're happy to answer your questions and send you information, such as a printed formulary (drug list), or the provider and pharmacy directory.


Quartz Medicare Advantage has been awarded a CMS 5-Star Rating

Quartz Medicare Advantage has been awarded a 5-star rating from the Centers for Medicare and Medicaid Services (CMS) for 2021.* 

*Plan performance summary star ratings are assessed each year and may change from one year to the next.

This webpage was updated on October 16, 2020.