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Wisconsin Group & Employer Plans: Large Groups

No matter where you’re based in southern Wisconsin, we have the right large-group plan for you.

Quartz Large-Group Networks

From our expansive and comprehensive Commercial/POS Network to our National PPO Plan offerings, we have the quality providers and plans you’re looking for.

With Quartz, your group receives:

  • Excellent customer service
  • Health & Wellness Programs
  • Local doctors, specialists, and clinics
  • Renowned hospitals, including –
    • Advocate Aurora Health
    • UW Health Hospitals & Clinics
    • SwedishAmerican
    • UnityPoint Health
    • Gundersen Health System

Quartz One Network

This expansive regional network offer providers throughout the Southwest and South Central region, Illinois, Iowa and Minnesota.

The Quartz One Network is available to employer groups located in the following counties

A map of large group counties of Quartz One in Wisconsin

Service Area

  • Adams
  • Buffalo
  • Columbia
  • Crawford
  • Dane
  • Dodge
  • Fond du Lac
  • Grant
  • Green
  • Green Lake
  • Iowa
  • Jackson
  • Jefferson
  • Juneau
  • La Crosse
  • Lafayette
  • Marquette
  • Monroe
  • Pepin
  • Richland
  • Rock
  • Sauk
  • Trempealeau
  • Vernon
  • Walworth
  • Waukesha
  • Waushara

National Network – PPO

Quartz offers PPO plans to provide national network access options for members who live in the United States outside of our Wisconsin service area. Quartz PPO (Cigna PPO Network*) covers a majority of our groups along with Multiplan’s Health EOS network and PHCS.


*The Cigna PPO Network refers to the health care providers (doctors, hospitals, specialists) contracted as part of the Cigna PPO for Shared Administration. All Cigna products are provided exclusively by or through operating subsidiaries of Cigna Corporation, including Cigna Health and Life Insurance Company. The Cigna name, logo, and other Cigna marks are owned by Cigna Intellectual Property, Inc.

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Quartz is committed to providing superior customer service. That's one reason we offer so many ways to reach us.