Where Quartz began
For over 40 years, we have partnered with our provider sponsors to provide care and coverage to our communities
The early days
Our story begins with the formation of the health plans in Wisconsin that would later become Quartz
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
Strengthening of partnerships
The growth of these health plans led to full ownership from provider sponsors and ultimately the decision to merge the health plans
2005
Unity becomes a wholly owned subsidiary of UW Health
2016
Unity and GHP combine operations, co-owned by UW Health and Gundersen Health System
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
Formation of Quartz
The merging of the health plans led to the creation of one brand to encompass these entities
2017
The Quartz brand is introduced, integrating Unity, GHP, and PPIC
Continued growth
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.