Our history: The making of Quartz
For over 40 years, we have partnered with our provider sponsors to provide care and coverage to our communities
Community beginnings
Quartz’s story starts in the early 1980s, with local health plans created to bring care closer to home. These organizations focused on access, coordination, and community well-being — values that continue to guide us today.
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
1995
Gundersen Health Plan, Inc. incorporates in Wisconsin as a non-stock service insurance corporation
Stronger together
Over time, the health plans aligned with trusted care systems, combining expertise and resources to better serve members and communities. Each step forward strengthened the foundation for something unified.
2005
Unity Health Plans becomes a wholly owned subsidiary of UW Health
2016
Unity Health Plans and Gundersen Health Plan combine operations, co-owned by UW Health and Gundersen Health System
2017
Unity Health Plans, GHP, Physicians Plus Insurance Corporation, UW Health, UnityPoint Health – Meriter, and UnityPoint Health formalize plans to collaborate, UPH becomes a company owner
Formation of Quartz
In 2017, the alignment of the multiple regional plans led to the creation of one brand: Quartz.
2017
The Quartz brand is introduced, integrating Gundersen Health Plan, Physicians Plus Insurance Corporation, and Unity Health Plans
We’re still growing
The addition of a new provider sponsor and additional lines of business highlight Quartz’s mission to build proactive solutions together for a life well-lived
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 for small group employers
Contact us
Quartz is committed to providing superior customer service. That’s one reason we offer so many ways to reach us.