Medicare Advantage
Aetna's 2027 Medicare Advantage plans in Gilbert: what's new, what's gone, and how to check yours
Gilbert, Ariz. — Aetna's Medicare Advantage lineup for Gilbert residents looks different for 2027. According to the CMS Landscape Source File for the coming plan year, Aetna (CVS Health) will offer six Medicare Advantage plans in Maricopa County — the county Gilbert sits in — down from nine this year, with two plans new for 2027 and five from the current lineup not returning. If you are already enrolled in an Aetna plan, your Annual Notice of Change (ANOC) spells out exactly what is shifting on January 1.
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Key takeaways
- Aetna will offer 6 Medicare Advantage plans in Maricopa County for 2027 (3 HMO and 3 PPO), including 1 Chronic Condition Special Needs Plan and 5 plans with drug coverage.
- Two Aetna plans are new for 2027 and five from the 2026 lineup are not returning; check your ANOC for the specifics on your plan.
- You have from October 15 to December 7, 2026 to compare and switch; a change made in that window takes effect January 1, 2027.
- Aetna is one of 16 carriers offering Medicare Advantage in Maricopa County for 2027 (92 plans in total across all carriers).
| Fact | Figure | Source |
|---|---|---|
| Medicare Advantage plans offered in Maricopa County (2026) | 88 | CMS |
| Medicare Advantage plans offered in Maricopa County (2027) | 92 | CMS |
| Plans not returning for 2027 / new for 2027 | 13 / 17 | CMS |
| Organizations offering Medicare Advantage in Maricopa County (2026) | 16 | CMS |
| Share of eligible beneficiaries in Medicare Advantage, Maricopa County | 52% | CMS |
| Residents age 65 and older, Maricopa County | 742,814 | 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.
The Annual Enrollment Period for 2027 coverage runs October 15 through December 7, 2026. If you do nothing, and your current plan is offered again next year, it renews with the changes described in your ANOC.
What Aetna Medicare Advantage plans are offered in Gilbert for 2027?
Aetna is offering six Medicare Advantage plans in Maricopa County for the 2027 plan year, and Gilbert residents can shop from that same county lineup. By type, that is three HMO plans and three PPO plans. Five of the six include Part D prescription drug coverage, and one is a Chronic Condition Special Needs Plan (C-SNP) for people with certain qualifying conditions. The table below lists every plan.
MyMedicarePlans.org is an independent news and education site; we are not Aetna, CVS Health, or Medicare. Aetna is one of 16 carriers selling Medicare Advantage in Maricopa County next year, with 92 Medicare Advantage plans across all carriers combined, per the CMS Landscape file.
What is new or not returning in Aetna's 2027 Gilbert lineup?
Two Aetna plans are new for 2027 in Maricopa County, and five plans Aetna offered in 2026 are not being renewed for 2027. The two new plans are Aetna Medicare Chronic Care (HMO C-SNP) and Aetna Medicare Prime (HMO). The returning plans include Aetna Medicare Eagle (PPO), Aetna Medicare Signature (HMO), Aetna Medicare Signature (PPO), and Aetna Medicare Value Care (PPO).
If your current plan is one that is not returning, Aetna will send a non-renewal notice, and you will have a Special Enrollment Period to pick a different plan. The ANOC that arrives in late September explains exactly what is changing for continuing plans — your premium, drug list (formulary), network, and extra benefits can all shift from year to year.
How do Special Needs Plans and drug coverage work in this lineup?
A Special Needs Plan is a Medicare Advantage plan built for a specific group. In Aetna's 2027 Maricopa County lineup, there is one Chronic Condition SNP (C-SNP) — Aetna Medicare Chronic Care (HMO C-SNP) — meaning it is designed for people living with one or more qualifying chronic conditions. There are no Dual Eligible SNPs (D-SNPs) or Institutional SNPs (I-SNPs) in Aetna's local lineup for 2027.
Five of the six plans include Part D drug coverage built in. The sixth, Aetna Medicare Eagle (PPO), is a Medicare Advantage-only plan without drug coverage. For 2027, CMS has set the Part D out-of-pocket cap at $2,400 (up from $2,100 in 2026) and the Part D maximum deductible at $700 (up from $615 in 2026). The coverage gap (donut hole) has been eliminated since 2025, and the optional Medicare Prescription Payment Plan lets you spread drug costs across the year in level monthly amounts.
How do I check an Aetna plan against my doctors and prescriptions before December 7?
Use the Medicare Plan Finder at medicare.gov to compare any Aetna plan against your own doctors and prescription list before the December 7, 2026 deadline. Enter your ZIP code and your medications, and the tool will show the plans available in Maricopa County, their formularies, and whether a drug is covered.
A good checklist:
- Read your ANOC carefully, especially the premium, deductible, drug tier changes, and any extra-benefit changes.
- On medicare.gov, enter every prescription with the exact dose and quantity so the drug costs are accurate.
- Check each doctor and specialist you see against the plan's current provider directory on Aetna's website — networks can change in January.
- Confirm your preferred pharmacy is in the plan's preferred network for the best drug pricing.
- Call 1-800-MEDICARE (open 24/7) or the plan directly for anything the online tool cannot answer.
What should Gilbert residents know about Medicare timing for 2027?
The 2027 Annual Enrollment Period runs October 15 to December 7, 2026, and any change you make takes effect January 1, 2027. If you take no action and your plan is offered again, it renews automatically with the changes listed in the ANOC.
Two more windows matter. The Medicare Advantage Open Enrollment Period runs January 1 to March 31, 2027, and lets anyone already in a Medicare Advantage plan make one change (switch to another MA plan or return to Original Medicare, with a stand-alone Part D plan if needed). Special Enrollment Periods also apply in specific situations — for example, if your plan is not being renewed.
For 2026, IRMAA (the income-related surcharge on Part B and Part D premiums) begins above $109,000 in income for a single filer. The 2027 Part B standard premium, Part B deductible, and the 2027 IRMAA income brackets are not yet published; CMS typically releases those figures later in the fall.
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 Maricopa County
(MA penetration in Maricopa 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 Maricopa County for 2027
CMS lists 6 Aetna Medicare Advantage plans in Maricopa County for 2027, alphabetically by carrier. 15 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 Maricopa 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 Period (Open Enrollment)Anyone 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
Do I have to do anything during Annual Enrollment if I like my current Aetna plan?
What happens if my Aetna plan is one of the five not returning in 2027?
How do I know if I qualify for the Chronic Condition SNP?
Where can I compare Aetna's plans against other carriers in Gilbert?
Watch
The Medicare Advantage changes for 2027 in Arizona, in 28 seconds
- 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 Gilbert
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 Landscape Source File (CY2026 and CY2027): Aetna's plan counts, plan names, plan types, SNP designation, drug coverage status, and new/non-renewing plans in Maricopa County; total carrier and plan counts in the county.
- Medicare.gov: Annual Enrollment Period and Medicare Advantage Open Enrollment Period dates; the Medicare Plan Finder tool for checking doctors and drugs; 1-800-MEDICARE.
- CMS: Part D 2027 out-of-pocket cap ($2,400), Part D 2027 maximum deductible ($700), Part D national base beneficiary premium ($41.33) for 2027; 2026 Part D figures and 2026 IRMAA income threshold.
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.