MA Enrollment Explorer / States / Arkansas
Medicare Advantage in Arkansas: enrollment, penetration and market share
329,235 people in Arkansas were enrolled in Medicare Advantage in October 2026. 47.3% of the state's 696,635 eligible Medicare beneficiaries are in Medicare Advantage, +0.5 pts since October 2025. UnitedHealth Group, Inc. is the largest parent organization with 40% of reported enrollment; 17 parent organizations have 11 or more members, and the market's HHI is 2,967 (highly concentrated). Through the 2026 Annual Election Period (December to February), reported MA enrollment in Arkansas changed by +4,422 (+1.4%).
47.3%MA penetration, October 2026
329KMA enrollees
17parent organizations (11+ members)
2,967HHI, highly concentrated
Parent organizations in Arkansas
| Parent organization | Members | Change | Share | Share change |
|---|---|---|---|---|
| UnitedHealth Group, Inc. | 132,156 | −8,173 | 40.5% | −3.6 pts |
| Humana Inc. | 112,189 | +35,927 | 34.3% | +10.4 pts |
| CVS Health Corporation | 26,675 | −12,914 | 8.2% | −4.3 pts |
| Centene Corporation | 24,249 | −4,057 | 7.4% | −1.5 pts |
| USAble Mutual Insurance Company | 14,952 | −8,608 | 4.6% | −2.8 pts |
| Health Care Service Corporation | 7,315 | +1,915 | 2.2% | +0.5 pts |
| Devoted Health, Inc. | 4,707 | +3,679 | 1.4% | +1.1 pts |
| Select Founders, LLC | 2,706 | +339 | 0.8% | +0.1 pts |
| Lumeris Group Holdings Corporation | 662 | +170 | 0.2% | +0.05 pts |
| St. Bernard's Healthcare | 366 | +36 | 0.1% | +0.01 pts |
| Elevance Health, Inc. | 235 | +8 | under 0.1% | +0.00 pts |
| Baptist Health (Arkansas) | 137 | +47 | under 0.1% | +0.01 pts |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 125 | −3 | under 0.1% | −0.00 pts |
| Washington Regional Medical System | 109 | +2 | under 0.1% | −0.00 pts |
| California Physicians' Service | 30 | +18 | under 0.1% | +0.01 pts |
| Louisiana Health Service & Indemnity Company | 18 | −180 | under 0.1% | −0.1 pts |
| Highmark Health | 12 | new | under 0.1% | +0.00 pts |
Change and share change are since October 2025. Shares are of reported enrollment in the CMS State/County/Contract file.
