MA payer · 4 active contracts

UNITEDHEALTHCARE OF WISCONSIN, INC.

1,313,038

Total MA enrolled

1,187

Counties served

States served

Largest state

Top states by enrollment

1NC335,931
2WI190,764
3OH188,381
4TN125,024
5VA77,449
6OK57,011
7MO53,179
8KY49,614
9IA44,045
10MA41,558
11PA35,607
12RI24,522
13MS23,833
14KS17,508
15DE14,238

Top counties

by single-county enrollment

Milwaukee, WI
HMO/HMOPOS · contract H5253
34,254
Cuyahoga, OH
HMO/HMOPOS · contract H5253
29,050
Waukesha, WI
HMO/HMOPOS · contract H5253
28,090
Mecklenburg, NC
HMO/HMOPOS · contract H5253
27,665
Guilford, NC
HMO/HMOPOS · contract H5253
20,831
Wake, NC
HMO/HMOPOS · contract H5253
18,155
Milwaukee, WI
HMO/HMOPOS · contract H3794
16,358
Forsyth, NC
HMO/HMOPOS · contract H5253
15,394
Montgomery, OH
HMO/HMOPOS · contract H5253
14,813
Providence, RI
HMO/HMOPOS · contract H5253
13,195
Hamilton, OH
HMO/HMOPOS · contract H5253
12,639
Summit, OH
HMO/HMOPOS · contract H5253
12,455
Oklahoma, OK
HMO/HMOPOS · contract H5253
12,188
Stark, OH
HMO/HMOPOS · contract H5253
10,524
Franklin, OH
HMO/HMOPOS · contract H5253
10,448

Plan-type mix (enrollment)

HMO/HMOPOS

1,313,038 enrolled

Source: CMS Monthly MA Enrollment by State/County/Contract (May 2026, abridged). Enrollment counts ≤ 10 are excluded from the source file (HIPAA suppression).