MA payer · 1 active contracts
QUARTZ HEALTH PLAN CORPORATION
18,929
Total MA enrolled
10
Counties served
2
States served
WI
Largest state
Top counties
by single-county enrollment- 7,874La Crosse, WIHMO/HMOPOS · contract H5262
- 6,604Dane, WIHMO/HMOPOS · contract H5262
- 1,777Monroe, WIHMO/HMOPOS · contract H5262
- 1,433Trempealeau, WIHMO/HMOPOS · contract H5262
- 586Columbia, WIHMO/HMOPOS · contract H5262
- 290Buffalo, WIHMO/HMOPOS · contract H5262
- 178Allamakee, IAHMO/HMOPOS · contract H5262
- 99Green, WIHMO/HMOPOS · contract H5262
- 66Winneshiek, IAHMO/HMOPOS · contract H5262
- 22Fayette, IAHMO/HMOPOS · contract H5262
Plan-type mix (enrollment)
HMO/HMOPOS
18,929 enrolled
Source: CMS Monthly MA Enrollment by State/County/Contract (May 2026, abridged). Enrollment counts ≤ 10 are excluded from the source file (HIPAA suppression).