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Contact Us

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To send a message, question or concern select from the following secure options:

Reminder: Personal medical information is valuable and should be protected. Many e-mail services are not secure and may not be appropriate for discussing sensitive medical information. For these communications, please call us, send U.S. mail, or submit a secured message through our online form or MyChart.

General Mail

Quartz Health Solutions, Inc.
840 Carolina Street
Sauk City, WI 53583

Please note: Our building hours are Monday through Friday from 8 a.m. to 5 p.m. Your Member ID card lists the correct address for submitting your claims.


Quartz Customer Service

  • Toll Free: (800) 362-3310
  • Local: (608) 644-3430

Quartz for Self-Funded Groups

  • Toll Free: (800) 805-0693
  • Local: (608) 644-3440

ETF - State of Wisconsin Employees

  • Toll Free: (844) 644-3455

Employers and Brokers

  • Toll Free: (800) 926-8227


  • 711 or toll free (800) 877-8973

Customer Service Hours


  • 7 a.m. to 6 p.m. Monday – Thursday
  • 7 a.m. to 5 p.m. Friday

Quartz Self-Funded:

  • 8 a.m. to 5 p.m. Monday - Friday
Billing & Payments

Individual & Family Plans (not provided through an employer):

Employer Groups:

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