2019 Network Information

Quartz offers Large Group plans to employers based in –

  • Boone
  • Ogle
  • Stephenson
  • Winnebago

Network Options for Large Group Employers

  • Performance Plus Network
  • Performance Network
  • PHCS Network*
*for employees residing outside Quartz’s service area.
Gundersen Health Plan Illinois

Health plans offered by Quartz Health Plan Corporation.
2020 Network Information

Quartz offers Large Group plans to employers based in –

  • Boone
  • Carroll
  • Jo Daviess
  • Lee
  • Ogle
  • Stephenson
  • Winnebago
Gundersen Health Plan Illinois

Call us at (800) 926-8227

Call us at
(800) 926-8227.


Network Options for Large Group Employers

  • Performance Plus Network
  • Performance Network
  • PHCS Network*
*for employees residing outside Quartz’s service area.

Health plans offered by Quartz Health Benefit Plans Corporation.