H0523-022-000 HMO Aetna Medicare Signature (HMO)
Southern California
Contract overview
2026 plans under H0523
CMS contract H0523 contains 15 plan-segment records in this dataset. Select a plan code below for its detailed benefit page.
OrganizationAetna Medicare
Plan typesHMO · HMOPOS
Showing all 15 plan records.
H0523-065-000 HMO Aetna Medicare Signature (HMO)
Sacramento, San Joaquin and Yolo Counties
H0523-070-000 HMOPOS Aetna Medicare Signature Extra (HMO-POS)
Alameda, San Francisco and San Mateo Counties
H0523-073-000 HMOPOS Aetna Medicare Prime (HMO-POS)
Orange County
H0523-074-000 HMOPOS Aetna Medicare Value Plus (HMO-POS)
Sacramento, San Joaquin and Yolo Counties
H0523-075-000 HMOPOS Aetna Medicare Prime (HMO-POS)
San Diego County
H0523-083-000 HMOPOS Aetna Medicare Enhanced (HMO-POS)
Santa Clara County
H0523-085-000 HMOPOS Aetna Medicare Prime (HMO-POS)
Los Angeles County
H0523-086-000 HMO Aetna Medicare Signature Extra (HMO)
Los Angeles and Orange Counties
H0523-088-000 HMOPOS Aetna Medicare Prime (HMO-POS)
Riverside and San Bernardino Counties
H0523-089-000 HMO Aetna Medicare Signature Extra (HMO)
Riverside and San Bernardino Counties
H0523-091-000 HMO Aetna Medicare Signature Extra (HMO)
Kern County
H0523-092-000 HMO Aetna Medicare Signature Extra (HMO)
San Diego County
H0523-801-000 HMO Aetna Medicare Plan (HMO)
California · Employer-only
H0523-805-000 HMO Aetna Medicare Plan w/Rx (HMO)
California · Employer-only
About contract pages
Why plans are grouped by contract
Medicare plan codes begin with a five-character CMS contract ID such as H0523. A contract can contain multiple plan IDs and service-area segments, so related codes can share the same contract while having different benefits or availability.
The records on this page come from the same official CMS 2026 sources used by Medicare Plan Lookup. Open the individual plan page and confirm final details in current official plan documents before relying on a benefit or cost-sharing amount.