Quartz Contact Directory
12 contact channels across 4 types (Email, Fax, Mailing Address, Phone) for claims, prior authorization, provider services, and more.
Last verified Sep 2, 2026 from the payer's published directories.
Phone
5 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| 800-683-2300 | Behavioral Health | All | N/A | Behavioral Health prior authorization – Medical Management | View source |
| 800-897-1923 | Eligibility Benefits, Prior Authorization, Provider Services, Pharmacy, General | All | Monday–Thursday 7 a.m.–6 p.m.; Friday 7 a.m.–5 p.m. | Mon–Fri 8 a.m.–5 p.m. | Medicare Advantage – prior authorization, benefits, eligibility, claims status (Customer Success) | General provider prior authorization questions – Customer Success | Quartz Customer Success – provider portal support (site administrators and providers) | Pharmacy / medication prior authorization appeals – Customer Success toll-free | General provider Customer Success / provider services | View source |
| 608-881-8271 | Eligibility Benefits, Provider Services, Pharmacy, General | All | Monday–Thursday 7 a.m.–6 p.m.; Friday 7 a.m.–5 p.m. | Mon–Fri 8 a.m.–5 p.m. | Medicare Advantage – prior authorization, benefits, eligibility, claims status (Customer Success, local) | Quartz Customer Success – provider portal support (direct line) | Pharmacy / medication prior authorization appeals – Customer Success local | Local provider Customer Success / provider services | View source |
| 608-643-1421 | General | All | Monday–Friday 8 a.m.–5 p.m. | TTY for hearing impaired - Customer Success – hearing impaired | View source |
| 888-450-4711 | Pharmacy | Commercial | N/A | Medication prior authorization questions – Quartz Customer Success (HealthEOS PPO) | View source |
Fax
4 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| 608-644-3500 | Appeals Disputes | All | N/A | Appeals Specialists – fax for appeals (includes provider-filed appeals per Quartz appeal rights documents) | View source |
| 608-643-2564 | General | All | N/A | General information fax (Quartz Customer Success) | View source |
| 608-821-4207 | Medical Management | All | N/A | Medical Management – prior authorization request form mailing/fax contact | View source |
| 888-450-4711 | Pharmacy | Commercial | N/A | Medication Coverage Request Form – clinic-administered medications prior authorization fax (Quartz) | View source |
Mailing Addresses
2 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| Quartz Health Solutions, Inc., 2651 Midwest Drive, Onalaska, WI 54650 | General | All | N/A | Quartz Health Solutions office location | View source |
| Medical Management, 2650 Novation Parkway, Fitchburg, WI 53713 | Medical Management, Appeals Disputes | All | N/A | Medical Management – prior authorization request form mailing address | Medicaid plans appeals and grievances – mailing address (providers may file appeals on behalf of members) | Appeals Specialists – mailing address for appeals (includes provider-filed appeals per Quartz appeal rights documents) | View source |
1 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| AppealsSpecialists@QuartzBenefits.com | Appeals Disputes | All | N/A | Appeals Specialists – email for appeals (includes provider-filed appeals per Quartz appeal rights documents) | View source |
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Sources
Where this data comes from
Every contact in this directory comes from documents the payers publish themselves, such as provider manuals, quick reference guides, and contact pages, and each payer page shows when its contacts were last verified. You can see all of our data sources and how we process them.
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