Medicare Advantage in Atlantic County, New Jersey
29,555 people in Atlantic County, New Jersey were enrolled in Medicare Advantage in October 2026, 43.8% of 67,428 eligible beneficiaries (+0.6 pts since October 2025). CVS Health Corporation is the largest parent organization with 30% of reported enrollment; 13 parent organizations have 11 or more members and the HHI is 1,995 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 2,969 members here are in plans that terminate or leave the county, and Independence Health Group, Inc., Health Care Service Corporation leave. MA plans offered go from 47 to 36.
Parent organizations in Atlantic County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| CVS Health Corporation | 8,680 | +187 | 29.5% |
| Clover Health Holdings, Inc. | 7,614 | +1,336 | 25.9% |
| UnitedHealth Group, Inc. | 4,131 | −777 | 14.0% |
| Horizon Mutual Holdings, Inc | 3,480 | +237 | 11.8% |
| Humana Inc. | 3,002 | +929 | 10.2% |
| Elevance Health, Inc. | 942 | −352 | 3.2% |
| Independence Health Group, Inc. | 630 | −133 | 2.1% |
| Thomas Jefferson University | 282 | +172 | 1.0% |
| Health Care Service Corporation | 253 | −478 | 0.9% |
| Centene Corporation | 251 | −51 | 0.9% |
| AtlantiCare Health Services, Inc. | 138 | −4 | 0.5% |
| Longevity Health Founders, LLC | 38 | −5 | 0.1% |
| Highmark Health | 11 | new | under 0.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 10,653 beneficiaries in Atlantic County were assigned to 102 Medicare Shared Savings Program ACOs, 39.5% of assignable Original Medicare beneficiaries. Together, roughly 66% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.