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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
1H5522AETNA LIFE INSURANCE COMPANYLocal PPO81,918818.9%
2H2001SIERRA HEALTH AND LIFE INSURANCE COMPANY, INC.Local PPO67,007815.4%
3H5521AETNA LIFE INSURANCE COMPANYLocal PPO61,990814.3%
4H3528CONNECTICARE, INC.HMO/HMOPOS48,235811.1%
5H0755CARE IMPROVEMENT PLUS SOUTH CENTRAL INSURANCE CO.HMO/HMOPOS41,59589.6%
6H5793AETNA HEALTH INC. (CT)HMO/HMOPOS37,53788.6%
7H5854ANTHEM HEALTH PLANS, INC.HMO/HMOPOS34,69188.0%
8H0342CAREPARTNERS OF CONNECTICUT, INC.Local PPO11,95172.8%
9H5273CAREPARTNERS OF CONNECTICUT, INC.HMO/HMOPOS10,94072.5%
10H4036ANTHEM INSURANCE COMPANIES, INC.Local PPO8,47882.0%

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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