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Contact Us

CURRENT MEMBERS

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

Hours:

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

MEDICARE ADVANTAGE MEMBERS

 Toll-Free: (800) 394-5566
TTY 711 or (800) 877-8973

Hours:

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

ETF – WI STATE EMPLOYEES

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

Hours:

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

SELF-FUNDED MEMBERS

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

Hours:

 Mon – Fri: 8 am – 5 pm

EMPLOYERS + AGENTS

Toll-Free: (800) 926-8227

Hours:

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

NOT A MEMBER?

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

Hours:

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

Contact Quartz by TTY

CURRENT MEMBERS

 TTY: 711
Local: (800) 877-8973

Contact Quartz by Email

[email protected]

Securely Contact Quartz with MyChart

Send us a secure message through MyChart. Don’t have MyChart? Sign up and get started!

Contact Quartz by 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.

Madison Office

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

Sauk City Office

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

Onalaska Office

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

Interoperability APIs