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Top MA Enrollment Contracts in Phoenix-Mesa-Chandler, AZ (Feb 2026)

This page summarizes county-level Medicare Advantage enrollment by contract in this metro area.

Home / Data Tools / MA Enrollment / MA MSA Rankings / Phoenix-Mesa-Chandler, AZ

MSA rank: 6 of top 50 by MA enrollment. CBSA: 38060. MSA total enrollment: 477,293.

Data source: SCC Enrollment MA Alternative File (2026-02).

Top 10 Contracts

Rank Contract ID Organization Name Plan Type Enrolled Counties MSA Share
1H0609UnitedHealthcare Benefits of Texas, Inc.HMO/HMOPOS102,388221.5%
2H0354BRAVO HEALTH PENNSYLVANIA, INC.HMO/HMOPOS65,198213.7%
3H0321ARIZONA PHYSICIANS IPA, INC.HMO/HMOPOS49,774210.4%
4H0028CHA HMO, INC.HMO/HMOPOS46,96929.8%
5H0302MEDISUN, INC.HMO/HMOPOS39,29228.2%
6H2001SIERRA HEALTH AND LIFE INSURANCE COMPANY, INC.Local PPO33,44827.0%
7H5216HUMANA INSURANCE COMPANYLocal PPO20,86224.4%
8H4461CARITEN HEALTH PLAN INC.HMO/HMOPOS16,12523.4%
9H5521AETNA LIFE INSURANCE COMPANYLocal PPO10,62522.2%
10H5580MERCY CAREHMO/HMOPOS9,75222.0%

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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