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Top MA Enrollment Contracts in Delaware (Jul 2026)
This page summarizes county-level Medicare Advantage enrollment by contract in Delaware.
Home / Data Tools / MA Enrollment / MA State Rankings / Delaware
Data source: SCC Enrollment MA Alternative File (2026-07). State total enrollment shown: 84,165.
Top 10 Contracts
| Rank | Contract ID | Organization Name | Plan Type | Enrolled | Counties | State Share |
|---|---|---|---|---|---|---|
| 1 | H5253 | UNITEDHEALTHCARE OF WISCONSIN, INC. | HMO/HMOPOS | 14,450 | 3 | 17.2% |
| 2 | H2406 | CARE IMPROVEMENT PLUS SOUTH CENTRAL INSURANCE CO. | Local PPO | 12,824 | 3 | 15.2% |
| 3 | H3959 | AETNA HEALTH INC. (PA) | HMO/HMOPOS | 12,045 | 3 | 14.3% |
| 4 | H5522 | AETNA LIFE INSURANCE COMPANY | Local PPO | 7,698 | 3 | 9.1% |
| 5 | H2001 | SIERRA HEALTH AND LIFE INSURANCE COMPANY, INC. | Local PPO | 6,314 | 3 | 7.5% |
| 6 | H5216 | HUMANA INSURANCE COMPANY | Local PPO | 5,676 | 3 | 6.7% |
| 7 | H7710 | HIGHMARK BCBSD, INC. | HMO/HMOPOS | 4,410 | 3 | 5.2% |
| 8 | H8166 | HIGHMARK BCBSD INC. | Local PPO | 3,930 | 3 | 4.7% |
| 9 | H4661 | CELTIC INSURANCE COMPANY | HMO/HMOPOS | 3,819 | 3 | 4.5% |
| 10 | H5521 | AETNA LIFE INSURANCE COMPANY | Local PPO | 2,256 | 3 | 2.7% |
Method note: Enrollment is based on legal state/county of residence for payment purposes and may include out-of-service-area beneficiaries.
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