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Top MA Enrollment Contracts in Connecticut (Feb 2026)
This page summarizes county-level Medicare Advantage enrollment by contract in Connecticut.
Home / Data Tools / MA Enrollment / MA State Rankings / Connecticut
Data source: SCC Enrollment MA Alternative File (2026-02). State total enrollment shown: 434,301.
Top 10 Contracts
| Rank | Contract ID | Organization Name | Plan Type | Enrolled | Counties | State Share |
|---|---|---|---|---|---|---|
| 1 | H5522 | AETNA LIFE INSURANCE COMPANY | Local PPO | 81,918 | 8 | 18.9% |
| 2 | H2001 | SIERRA HEALTH AND LIFE INSURANCE COMPANY, INC. | Local PPO | 67,007 | 8 | 15.4% |
| 3 | H5521 | AETNA LIFE INSURANCE COMPANY | Local PPO | 61,990 | 8 | 14.3% |
| 4 | H3528 | CONNECTICARE, INC. | HMO/HMOPOS | 48,235 | 8 | 11.1% |
| 5 | H0755 | CARE IMPROVEMENT PLUS SOUTH CENTRAL INSURANCE CO. | HMO/HMOPOS | 41,595 | 8 | 9.6% |
| 6 | H5793 | AETNA HEALTH INC. (CT) | HMO/HMOPOS | 37,537 | 8 | 8.6% |
| 7 | H5854 | ANTHEM HEALTH PLANS, INC. | HMO/HMOPOS | 34,691 | 8 | 8.0% |
| 8 | H0342 | CAREPARTNERS OF CONNECTICUT, INC. | Local PPO | 11,951 | 7 | 2.8% |
| 9 | H5273 | CAREPARTNERS OF CONNECTICUT, INC. | HMO/HMOPOS | 10,940 | 7 | 2.5% |
| 10 | H4036 | ANTHEM INSURANCE COMPANIES, INC. | Local PPO | 8,478 | 8 | 2.0% |
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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