MA payer · 2 active contracts

UNITEDHEALTHCARE OF THE ROCKIES, INC.

147,102

Total MA enrolled

Counties served

States served

Largest state

Top states by enrollment

1UT103,444
2ID41,416
3NM2,242

Top counties

by single-county enrollment

Salt Lake, UT
HMO/HMOPOS · contract H4604
36,734
Utah, UT
HMO/HMOPOS · contract H4604
13,613
Davis, UT
HMO/HMOPOS · contract H4604
11,055
Weber, UT
HMO/HMOPOS · contract H4604
9,245
Cache, UT
HMO/HMOPOS · contract H4604
6,617
Kootenai, ID
HMO/HMOPOS · contract H4604
4,919
Box Elder, UT
HMO/HMOPOS · contract H4604
4,222
Washington, UT
HMO/HMOPOS · contract H4604
3,815
Bonneville, ID
HMO/HMOPOS · contract H4604
3,570
Tooele, UT
HMO/HMOPOS · contract H4604
3,142
Bannock, ID
HMO/HMOPOS · contract H4604
2,774
Ada, ID
HMO/HMOPOS · contract H4604
2,190
Uintah, UT
HMO/HMOPOS · contract H4604
2,086
Twin Falls, ID
HMO/HMOPOS · contract H4604
1,919
Wasatch, UT
HMO/HMOPOS · contract H4604
1,799

Plan-type mix (enrollment)

HMO/HMOPOS

147,102 enrolled

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