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Welcome! We’re So Happy You’re Here.

Thank you for choosing Quartz Medicare Advantage. We are honored that you have entrusted us with your health insurance needs and we are committed to making your experience be the best it can be. Giving you the information you’ll need to make the most of your benefits is a great place to start.

Click on your county of residence for your plan information. Plus, check out our recent blog posts. 

Gundersen Health System


Buffalo   |   Crawford   |  Jackson  |  Juneau  |  La Crosse   |  Monroe   |  Trempealeau  |  Vernon


Filmore  |   Houston  |  Wabasha  |  Winona


Allamakee  |  Clayton  |  Fayette  |  Howard  |  Winneshiek



Adams  |  Columbia  |  Dane  |   Iowa   |  Jefferson  |   Marquette  |  Richland  |    Sauk



Brown  |  Kenosha |  Manitowoc  |  Milwaukee  |  Ozaukee  |   Racine  |  Sheboygan  |   Walworth  |  Washington   |   Waukesha |  Winnebago

Swedish American


Boone  |  Ogle  |  Jo Daviess  |  Stephenson  |  Winnebago 

Contact Us

By Phone: (800) 394-5566
TTY 711 or (800) 877-8973

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

8 a.m. - 8 p.m.
Saturday - Sunday
October 1 - March 31 only)

By Mail:
Quartz Medicare Advantage
840 Carolina Street
Sauk City, Wisconsin 53583

This webpage was updated on January 1, 2021.

New Providers In 2021

  • January 11, 2021
  • |Quartz
As you know, information is always subject to change.
There may have been updates since this blog post was published.
Questions? Please contact Customer Service

You’ll have even more providers to choose from in the Quartz Medicare Advantage (HMO) provider network. Quartz Medicare Advantage, in collaboration with Aurora Health Care, will offer care and services to our Medicare Advantage members in eastern Wisconsin for the 2021 plan year.

To find Aurora Health Care providers near you, see the online provider directory at

More choices for ProHealth members, too!

For ProHealth members who live in Waukesha County, it means:

  • You can keep your ProHealth doctors, plus have access to the doctors and clinics of Aurora Health Care – all in your Quartz Medicare Advantage network!
  • Your plan’s name will change to “Aurora Health Quartz Medicare Advantage” and you will start to see the new name on your plan’s materials for the 2021 plan year.
  • You’ll receive a Quartz Medicare Advantage ID card to keep on hand when you seek care and services from both ProHealth and Aurora Health Care.

Questions? Please contact Customer Service at (800) 394-5566 or TTY 711 or through your MyChart account at


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Y0092_20 142 CMS Accepted

This webpage was updated on October 26, 2020.