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HomeMedicare AdvantageMassachusettsAttleboroThe One Medicare Advantage Change Attleboro Can Make Jan–Mar

Medicare Advantage

The One Medicare Advantage Change Attleboro Can Make Jan–Mar

ATTLEBORO, Mass. — If you signed up for a Medicare Advantage plan last fall and now feel unsure about it, you are not stuck. From January 1 through March 31, the Medicare Advantage Open Enrollment Period gives you a limited window to make one change. For local residents who took a closer look at their new plan in January and had second thoughts, this is the built-in do-over.

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2027 PLAN ALERT

Medicare Advantage plans in your area are changing or leaving for 2027.

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Senior using laptop at table in Attleboro — illustrating this Medicare guide
Photo: Nathan Anderson Photo by Nathan Anderson on Unsplash

Key takeaways

  • The Medicare Advantage Open Enrollment Period runs from January 1 through March 31 and lets you make one change if you're already in a Medicare Advantage plan on January 1.
  • Any change you make takes effect on the first day of the month after your plan gets your request, and this window is only for current Medicare Advantage members, unlike the broader fall Annual Enrollment Period from October 15 to December 7.
  • Bristol County residents often have dozens of Medicare Advantage plans to choose from, which can make it easy to pick one that doesn't quite fit once you start using it.
  • Before switching, it helps to check each plan's doctor and pharmacy network, review your prescription formulary, use medicare.gov's Plan Finder, and talk to the free SHINE counseling program in Massachusetts.

Attleboro seniors have a second chance to fix their Medicare Advantage choice

This window is different from the fall Annual Enrollment Period (October 15 – December 7), when anyone with Medicare can shop and switch. The winter window is narrower — it's only for people who are already in a Medicare Advantage plan on January 1.

What you can actually do between January 1 and March 31

According to CMS, if you're enrolled in a Medicare Advantage plan, you may use this period to:

You get one change during this window, and it takes effect the first day of the month after the plan receives your request.

What you cannot do in this window

This period is not a free-for-all. A few things are off-limits:

Why Attleboro residents might use this window

Attleboro is in Bristol County, where Medicare beneficiaries typically have a large number of Medicare Advantage plans to choose from — often dozens of options across several carriers. That variety is helpful in October, but it can also mean it's easy to pick a plan that doesn't quite match your needs once you start using it in January.

Common reasons people reconsider in the new year:

2027 numbers worth knowing before you switch

Whatever you decide, these program-level figures apply across Medicare in 2027:

These rules don't change based on which Advantage plan you pick, but they set the backdrop for any comparison you make.

How to compare plans without getting overwhelmed

A quick, honest approach:

1. Make a list of your doctors and pharmacies and check each plan's network. 2. List your prescriptions with dosages and check each plan's formulary. 3. Call the plan directly to confirm what you find online — networks and drug lists can update. 4. Use medicare.gov's Plan Finder to compare side by side. 5. Talk to SHINE, the free Massachusetts counseling program, before you enroll.

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.

$0$50$100$150$200200820122016202020242026

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 Bristol County

39% are on Medicare Advantage
(MA penetration in Bristol County)
39%
61%
Medicare Advantage Medicare Supplement (Medigap) Original Medicare only
U.S. average

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.

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.

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See Medicare options serving Attleboro & speak with a licensed agent

Medicare Advantage companies in Bristol County

By local enrollment size · informational, not a ranking
CompanyLocal enrollmentPlans offeredLocal agentsAction
UnitedHealthcareNational—Yes
Aetna (CVS Health)National—Yes
Point32health IncRegional—Yes
Blue Cross and Blue Shield of Massachusetts IncRegional—Yes
Eternal Health of Delaware IncRegional—Yes
HumanaNational—Yes
Enrollment data: CMS Medicare Advantage enrollment by company (county level). Figures shown are illustrative sample data pending the current CMS file. Listed by enrollment size, largest first — this is not a ranking, recommendation, or endorsement of any company or plan.

Provided by licensed insurance partners; MyMedicarePlans.org may be compensated. Not a ranking or endorsement of any plan.

Explore

When can you enroll? An interactive year

JFMAMJJASOND
October 15 – December 7 — anyone with Medicare can join, switch, or drop a Medicare Advantage or Part D plan. Changes take effect January 1.

Enrollment windows are federal and the same nationwide. Confirm your personal dates at Medicare.gov or 1-800-MEDICARE.

Explore

The parts of Medicare

Part A covers inpatient hospital stays, skilled nursing facility care, hospice, and some home health care. Most people pay no premium for Part A.

Good to know

Frequently asked questions

Q: I have Original Medicare. Can I switch to a Medicare Advantage plan in February?
A: No. The January–March window is only for people already in a Medicare Advantage plan on January 1. You'd generally need to wait for the fall Annual Enrollment Period (Oct. 15 – Dec. 7) or qualify for a Special Enrollment Period.
Q: If I drop my Advantage plan and go back to Original Medicare, can I get a Medigap policy?
A: Maybe. Outside of your original Medigap open enrollment window, insurers can typically use medical underwriting — but Massachusetts has consumer-friendly Medigap rules. Talk to SHINE before you drop coverage.
Q: How many times can I change plans during this window?
A: One time. After your change takes effect, that's your move for the period.
Sources & further reading
  • CMS — Medicare enrollment periods (medicare.gov)

For personalized answers, contact Medicare.gov, 1-800-MEDICARE, or your local SHIP.

Medicare plans in your area changing for 2027 — check yoursCall