Resources
Top MA Enrollment Contracts in Connecticut (Jul 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 (2026-07). State total enrollment shown: 438,027.
Top 10 Contracts
| Rank | Contract ID | Organization Name | Plan Type | Enrolled | Counties | State Share |
|---|---|---|---|---|---|---|
| 1 | H5522 | AETNA LIFE INSURANCE COMPANY | Local PPO | 82,512 | 8 | 18.8% |
| 2 | H2001 | SIERRA HEALTH AND LIFE INSURANCE COMPANY, INC. | Local PPO | 65,230 | 8 | 14.9% |
| 3 | H5521 | AETNA LIFE INSURANCE COMPANY | Local PPO | 64,991 | 8 | 14.8% |
| 4 | H3528 | CONNECTICARE, INC. | HMO/HMOPOS | 46,930 | 8 | 10.7% |
| 5 | H0755 | CARE IMPROVEMENT PLUS SOUTH CENTRAL INSURANCE CO. | HMO/HMOPOS | 42,290 | 8 | 9.7% |
| 6 | H5793 | AETNA HEALTH INC. (CT) | HMO/HMOPOS | 39,340 | 8 | 9.0% |
| 7 | H5854 | ANTHEM HEALTH PLANS, INC. | HMO/HMOPOS | 36,019 | 8 | 8.2% |
| 8 | H0342 | CAREPARTNERS OF CONNECTICUT, INC. | Local PPO | 11,927 | 7 | 2.7% |
| 9 | H5273 | CAREPARTNERS OF CONNECTICUT, INC. | HMO/HMOPOS | 10,974 | 7 | 2.5% |
| 10 | H4036 | ANTHEM INSURANCE COMPANIES, INC. | Local PPO | 8,455 | 8 | 1.9% |
Method note: Enrollment is based on legal state/county of residence for payment purposes and may include out-of-service-area beneficiaries.
Related Links
For more granular data, historical data, or scientific analysis support, please email us.