Medicare Advantage · State · 2026 plan year
Medicare Advantage in Arizona
According to the Centers for Medicare & Medicaid Services (CMS) 2026 plan-year files, 130 plans across 15 counties; find your county to compare every plan available where you live.
- 130
- Plans available
- 3.7★
- Avg CMS rating
- $22.54
- Avg premium/mo
- 0
- 5-star plans
The short answer
Arizona ranks #14 of 49 by Medicare Advantage plan inventory (130 plans) but #41 by average CMS star (3.66★).
- #14
- inventory rank
- 130
- plans statewide
- #41
- avg star rank
- 3.66★
- mean CMS rating
Plan inventory and average star are independent CMS signals; a large catalog is not the same as the highest mean quality score.
Product mix · AZ plans_unique
How 128 Arizona plans split by CMS plan type
Exclusive CMS plan-type codes for this state's representative plans_unique rows, orthogonal to the star-bucket chart below. Source: CMS landscape, 2026.
Lower average CMS star band
Arizona in the wider-inventory third
Arizona ranks #41 of 49 rated states by mean CMS star (3.66★) - bottom-third quality band vs the rated corpus. According to CMS 2026 plan-year filings, Arizona beneficiaries can choose from 130 distinct Medicare Advantage plans marketed across 15 counties - a top-third inventory book (#14 of 49 by plan count). No plan in this state currently holds the top 5-star tier for the 2026 plan year. County (FIPS) service areas still decide what is sold where you live - open a county below before the October 15 - December 7 Annual Election Period closes.
plans #14/49 · stars #41/49 · 15 counties · avg prem $22.54/mo
Lower-star MA quality band in Arizona
Arizona offers 130 Medicare Advantage plans across 15 counties. Mean star 3.7★ across a wider inventory book (star rank #41/49); compare county contracts, not only the state average. Confirm premiums and networks on <a class="underline" href="https://www.medicare.gov/plan-compare/" target="_blank" rel="external noopener">Medicare.gov Plan Compare</a>.
Where Arizona sits on CMS quality
Average CMS star rating across the state's own Medicare Advantage plans, against every state and territory in the CMS file
3.66★ Top 82% higher than 18% of 49 states and territories
Each bar is a band; taller bars hold more states and territories. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source CMS Medicare Advantage Star Ratings 2026 · 2026-09-01
Counties in Arizona
Click a county to see all Medicare Advantage plans available in your area.
Wider inventory markets: start with how to choose a plan then open your county.
Read our methodology - how this data is sourced, computed, and verified.
Using Arizona's Medicare Advantage market
Plan availability and star ratings vary by county, not just by state.
- Arizona beneficiaries can choose from 130 distinct Medicare Advantage plans across 15 counties (#14 of 49 states by plan count) - look up your own county for what's actually sold there. Browse by county
- The state's mean CMS star rating ranks #41 of 49 - see how star ratings are built before comparing plans. How star ratings work
- Weigh total cost, not just premium: compare plan details using Medicare.gov before you enroll. Medicare Plan Compare
State-level figures average every county's filings; the plans actually sold where you live can differ from the state total.
PlainMedicare is rendered directly from CMS Medicare Advantage and Part D public files, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a correction. Data current as of 2026-09-01.
CMS lists 131,985 Medicare Advantage and Part D plan records in the current public files. PlainMedicare refreshes this registry with each annual release.