Where Quartz began
For over 40 years, we have partnered with our provider sponsors to provide care and coverage to our communities
1983
HMO of Wisconsin Insurance Corporation forms as one of the nation’s first rural-based HMOs
1994
HMO of Wisconsin Insurance Corporation and U-Care HMO, Inc. become Unity Health Plans Insurance Corporation (Unity)
1995
Gundersen Health Plan, Inc. (GHP) incorporates in Wisconsin as a non-stock service insurance corporation
2016
HMO of Wisconsin Insurance Corporation and U-Care HMO, Inc. become Unity Health Plans Insurance Corporation (Unity)
2017
Unity, GHP, Physicians Plus Insurance Corporation (PPIC), UW Health, UnityPoint Health – Meriter, and UnityPoint Health (UPH) formalize plans to collaborate, UPH becomes a company owner
2017
The Quartz brand is introduced, integrating Unity, GHP, PPIC, and Quartz
2021
Advocate Aurora Health becomes a minority owner in Quartz Health Plan Corporation
2022
Quartz announces Dual Eligible and Medicaid SSI plans to expand coverage in our communities.
2026
Quartz launches the Quartz Level Funded product
Contact us
Quartz is committed to providing superior customer service. That’s one reason we offer so many ways to reach us.