Medicare Advantage
Aetna's 2027 Medicare Advantage plans in Tucson: what's new, what's gone, what stays
Tucson, Ariz. — Fall 2026 is when Medicare's Annual Enrollment Period opens, and for Tucson residents weighing an Aetna Medicare Advantage plan, the 2027 lineup looks a little different than it did this year. According to the CMS Medicare Advantage Landscape Source File for the coming plan year, Aetna (CVS Health) will offer six Medicare Advantage plans in Pima County — the county Tucson sits in — for January 1, 2027. Two are new, three current plans are not coming back, and the rest renew with the changes spelled out in each plan's Annual Notice of Change (ANOC).
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Key takeaways
- Aetna will offer 6 Medicare Advantage plans in Pima County for 2027 — 3 HMOs and 3 PPOs — with 2 new plans and 3 plans not returning.
- The Annual Enrollment Period runs October 15 – December 7, 2026, and any change you make takes effect January 1, 2027.
- If you do nothing and your current plan is offered next year, it renews automatically with the changes listed in its Annual Notice of Change.
- Use Medicare's Plan Finder at medicare.gov or call 1-800-MEDICARE to check any plan against your doctors and prescriptions before December 7.
| Fact | Figure | Source |
|---|---|---|
| Medicare Advantage plans offered in Pima County (2026) | 82 | CMS |
| Medicare Advantage plans offered in Pima County (2027) | 88 | CMS |
| Plans not returning for 2027 / new for 2027 | 14 / 20 | CMS |
| Organizations offering Medicare Advantage in Pima County (2026) | 14 | CMS |
| Share of eligible beneficiaries in Medicare Advantage, Pima County | 59% | CMS |
| Residents age 65 and older, Pima County | 228,992 | U.S. Census Bureau |
| Part B standard monthly premium (2026) | $202.90 | Medicare.gov |
| Part D out-of-pocket cap (2026) | $2,100 | CMS |
| Part D out-of-pocket cap (2027) | $2,400 | CMS |
| Annual Enrollment Period (for 2027 coverage) | October 15 – December 7, 2026 | Medicare.gov |
| Medicare Advantage Open Enrollment Period | January 1 – March 31 | Medicare.gov |
Area counts are for the county as a whole and are not a recommendation of any plan. Program figures are set nationally.
MyMedicarePlans.org is an independent consumer site and is not affiliated with Aetna or Medicare. Aetna is one of 15 carriers offering Medicare Advantage plans in Pima County for 2027; all carriers together account for 88 plans in the county.
What Aetna Medicare Advantage plans are offered in Tucson for 2027?
For 2027, Aetna (CVS Health) offers 6 Medicare Advantage plans in Pima County, where Tucson is located: 3 HMO plans and 3 PPO plans. Five of the six include prescription drug coverage, and one is a Chronic Condition Special Needs Plan (C-SNP). The table below lists every Aetna plan available in the county for next year.
That's a shift from the 2026 lineup, which included 7 Aetna plans (3 HMOs and 4 PPOs). The number of plans alone doesn't tell you whether a given plan is a good fit — that depends on your doctors, pharmacies, prescriptions, and the plan's own details, which the Evidence of Coverage spells out.
What's new and what's not returning from Aetna in Pima County?
Two Aetna plans are new for 2027 in Pima County: Aetna Medicare Chronic Care (HMO C-SNP) and Aetna Medicare Prime (HMO). Three Aetna plans offered in 2026 will not be returning for 2027.
The C-SNP is worth flagging because it is a Special Needs Plan — a plan designed for people with specific chronic conditions. Eligibility rules apply, and the plan's materials describe which conditions qualify. If you're currently in an Aetna plan that isn't on the 2027 list, you'll get a non-renewal notice from the carrier, and you have the Annual Enrollment Period (and, if the plan is terminating, a Special Enrollment Period) to pick something else.
What should I do if my Aetna plan is changing or ending?
If your current plan is returning for 2027, read the Annual Notice of Change that arrived (or will arrive) in September. The ANOC lists every change to premiums, cost-sharing, drug coverage, and the provider network for next year. If your plan is not returning, Aetna will send a separate non-renewal letter, and you'll need to choose a new plan to avoid falling back to Original Medicare without drug coverage.
Either way, nothing automatic happens if you ignore the mail — a returning plan simply renews with its new terms on January 1, 2027.
How do I check a plan against my doctors and prescriptions before December 7?
The most reliable tool is the Medicare Plan Finder at medicare.gov. You can enter your ZIP code, add your prescriptions and preferred pharmacies, and see each plan's drug coverage and estimated yearly cost side by side. You can also call 1-800-MEDICARE, which is open 24/7.
To confirm a specific doctor or hospital is in a plan's network, check the plan's own provider directory or call Aetna's member services number listed on the plan page. Networks can change year to year, so a provider who was in-network in 2026 is not guaranteed to be in-network in 2027 — it's worth re-checking even if you're staying put.
What else is changing in Medicare for 2027?
A couple of program-wide figures are already confirmed by CMS for 2027. The Part D out-of-pocket cap rises to $2,400 in 2027 (up from $2,100 in 2026), and the Part D maximum deductible rises to $700 in 2027 (up from $615 in 2026). The Part D national base beneficiary premium for 2027 is $41.33 — that's a formula input CMS uses, not what any particular plan charges.
The 2027 Part B standard premium and deductible, along with the 2027 IRMAA income brackets, have not been announced yet. CMS typically publishes those in the fall, usually in November.
The Annual Enrollment Period runs October 15 – December 7, 2026, and any change takes effect January 1, 2027. If you're already in a Medicare Advantage plan and want to switch after January 1, the Medicare Advantage Open Enrollment Period runs January 1 – March 31, 2027, and allows one change.
By the numbers
Medicare Part B premium, 2006–2026
The standard monthly Part B premium has climbed from $88.50 in 2006 to $202.90 in 2026. Hover any point for that year’s premium.
Source: CMS. Standard premium shown; in some hold-harmless years many existing enrollees paid less. Confirm at Medicare.gov.
By the numbers
How people get Medicare in Pima County
(MA penetration in Pima County)
MA penetration from CMS enrollment data; Medigap share is an estimate. U.S. average is about 54% Medicare Advantage. These are area-level figures, not plan-specific.
2027 plan lineup
Aetna Medicare Advantage plans in Pima County for 2027
CMS lists 6 Aetna Medicare Advantage plans in Pima County for 2027, alphabetically by carrier. 14 other carriers also offer plans there.
| Plan | Type | Drug coverage | For 2027 |
|---|---|---|---|
| Aetna (CVS Health) 6 plans | |||
| Aetna Medicare Chronic Care (HMO C-SNP) | HMO C-SNP | Yes | New |
| Aetna Medicare Eagle (PPO) | PPO | No | Returning |
| Aetna Medicare Prime (HMO) | HMO | Yes | New |
| Aetna Medicare Signature (HMO) | HMO | Yes | Returning |
| Aetna Medicare Signature (PPO) | PPO | Yes | Returning |
| Aetna Medicare Value Care (PPO) | PPO | Yes | Returning |
Source: CMS Medicare Advantage Landscape Source Files, plan years 2026 and 2027. Plan availability is set at the county level. No plan is ranked or recommended; premiums, benefits, networks and star ratings are not shown. Plan details come from the Medicare Plan Finder at medicare.gov or the plan itself.
The 2027 choices, by type
How Aetna Medicare Advantage plans in Pima County break down for 2027
HMO plans use a network and usually a primary-care doctor and referrals; HMO-POS plans add some out-of-network coverage; PPO plans also cover out-of-network care, at a higher share; PFFS plans pay any provider that accepts the plan’s terms. Special Needs Plans serve people with Medicare and Medicaid (D-SNP), certain chronic conditions (C-SNP) or living in an institution (I-SNP).
Source: CMS Medicare Advantage Landscape Source Files, plan years 2026 and 2027. Plan availability is set at the county level. No plan is ranked or recommended; premiums, benefits, networks and star ratings are not shown. Plan details come from the Medicare Plan Finder at medicare.gov or the plan itself.
Key dates
Medicare enrollment periods at a glance
- Around your 65thInitial Enrollment PeriodA 7-month window around the month you turn 65 — your first chance to sign up.
- October 15 – December 7Annual Enrollment PeriodAnyone with Medicare can join, switch, or drop a Medicare Advantage or Part D plan.
- January 1 – March 31Medicare Advantage Open EnrollmentIf you're already in a Medicare Advantage plan, you can make one change.
- January 1 – March 31General Enrollment PeriodFor people who missed their first chance to sign up for Part B.
- VariesSpecial Enrollment PeriodTriggered by life events like moving or losing other coverage.
Dates are set by Medicare and apply nationwide. Confirm your personal windows at Medicare.gov or 1-800-MEDICARE.
Explore
When can you enroll? An interactive year
Enrollment windows are federal and the same nationwide. Confirm your personal dates at Medicare.gov or 1-800-MEDICARE.
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The parts of Medicare
Good to know
Frequently asked questions
When does the Annual Enrollment Period end for 2027 coverage?
How many Medicare Advantage plans are available in Pima County for 2027?
What is a C-SNP, and who can enroll in one?
How do I check whether my doctor and prescriptions are covered?
- CMS — MA Landscape Source File (plan-level availability by county)
- CMS — MA Landscape Source Files, current and coming plan year (year-over-year comparison)
- CMS — Medicare enrollment periods (medicare.gov)
For personalized answers, contact Medicare.gov or 1-800-MEDICARE.
Also for Tucson
Sources and methodology
- CMS, Medicare Advantage and Part D Landscape Source Files
- CMS, Medicare Advantage state/county penetration and enrollment files
- U.S. Census Bureau, American Community Survey (table B01001, age 65 and older)
- Medicare.gov, Medicare costs (Part B premium)
- CMS, Medicare prescription drug coverage (Part D) program rules
- CMS, Medicare Advantage and Part D plan-year announcements
- Medicare.gov, enrollment periods and plan rules
Figures cited in this article
- CMS Medicare Advantage Landscape Source File (plan year 2027): Aetna's Pima County plan list, plan types, drug coverage, SNP status, and the new/not-returning counts.
- CMS Medicare Advantage Landscape Source File (plan year 2026): the current-year Aetna plan count for comparison and the total county carrier/plan counts.
- CMS: the confirmed 2027 Part D out-of-pocket cap, Part D maximum deductible, and national base beneficiary premium.
- Medicare.gov: Annual Enrollment Period dates, Medicare Advantage Open Enrollment Period dates, and the Plan Finder tool.
How we put this together: area counts come from the CMS files listed above for the county that contains this city, program figures come from CMS, Medicare.gov and the Social Security Administration, and no plan is ranked or recommended.
By The Medicare Desk · Published . For personalized answers, contact Medicare.gov or 1-800-MEDICARE.
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This page was last updated: October 2026.