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Contact Quartz

Let us support you on your journey to a life well-lived.
Here’s how to connect with us.

Contact Quartz by phone

Current Members

Toll-Free: (800) 362-3310
Local: (608) 644-3430
TTY: 711 or (800) 877-8973

Mon – Thu: 7 am – 6 pm
Fri: 7 am – 5 pm

Medicare Advantage and Dual Eligible Members

Toll-Free: (800) 394-5566
TTY: 711

Mon – Fri: 8 am – 8 pm
Sat – Sun: 8 am – 8 pm (Oct 1 – Mar 31)

ETF -WI State Members

Toll-Free: (844) 644-3455
Local: (608) 644-3455

Mon – Thu: 7 am – 6 pm
Fri: 7 am – 5 pm

Self-Funded Members

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

Mon – Fri: 8 am – 5 pm

Employers + Agents

Toll-Free: (800) 926-8227

Mon – Thu: 7 am – 6 pm
Fri: 7 am – 5 pm

Not a member?

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

Mon – Thu: 7 am – 6 pm
Fri: 7 am – 5 pm

Quartz office locations

Madison Office

Quartz Health Solutions, Inc.
2650 Novation Parkway
Madison, WI 53713

GET DIRECTIONS

Onalaska Office

Quartz Health Solutions, Inc.
2651 Midwest Drive
Onalaska, WI 54650

GET DIRECTIONS

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

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Questions about billing?

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