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Medicare Advantage

How Washington, PA Enrollees Can Change Medicare Advantage

WASHINGTON, Pa. — If you signed up for a Medicare Advantage plan during fall enrollment and are already having second thoughts, you still have time to make one change. The Medicare Advantage Open Enrollment Period runs January 1 through March 31, and it gives current Advantage members a second look at their coverage before spring.

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2027 PLAN ALERT

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

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Key takeaways

  • The Medicare Advantage Open Enrollment Period runs from January 1 through March 31 and is only for people already enrolled in a Medicare Advantage plan on January 1.
  • During this window, you can make one plan change, and the new coverage starts the first day of the month after the plan receives your request.
  • This period is different from the fall Annual Enrollment Period (October 15 – December 7) and does not let you make all the same changes, such as switching between Medicare and certain other options freely.
  • Before switching plans, check that your doctors, hospitals, and pharmacies are in the new plan’s network and that your medications are covered, since you are allowed to take time and ask questions before deciding.

Here is what this window is, what you can and cannot do during it, and the common mistakes to avoid.

What the Open Enrollment Period actually is

The Medicare Advantage Open Enrollment Period (often shortened to MA-OEP) is a three-month window each year for people already enrolled in a Medicare Advantage plan on January 1. Think of it as a course-correction period, not a general shopping season.

It is different from the fall Annual Enrollment Period (October 15 – December 7), when anyone with Medicare can review and change coverage. If you missed the fall window entirely, MA-OEP is more limited — but it is not nothing.

What you can change between January 1 and March 31

According to CMS guidance on Medicare.gov, during MA-OEP you can:

You get one change during this window. Once you make it, that is your move for the season. The new coverage starts the first day of the month after the plan gets your request.

What you cannot do in this window

MA-OEP is narrower than fall enrollment. It does not let you:

If you are brand-new to Medicare, your Initial Enrollment Period around your 65th birthday still applies separately.

Local context for Washington

Washington is in Washington County, where Medicare Advantage plans and stand-alone Part D plans are offered by a range of private insurance carriers approved by CMS. Plan availability, provider networks, and drug formularies are set at the county level, so two neighbors in the same ZIP code generally see the same menu of plans. When you use the Plan Finder tool on Medicare.gov, entering your Washington ZIP code will pull the plans available in Washington County.

2027 numbers worth knowing

Whether you use this window or not, a few program-wide figures are worth writing down:

These figures are set by CMS and apply nationally, not by plan.

Common mistakes to avoid

Assuming you're stuck. A surprising number of people believe December 7 was their last chance. If you are already in an Advantage plan, you are not stuck until next fall.

Changing without checking the network. Before you switch, confirm your doctors, preferred hospitals, and pharmacies are in the new plan's network. In Washington County, network breadth varies plan-to-plan.

Forgetting your drugs. Log in to a plan's formulary (drug list) and check every medication you take, at the dose you take. A plan that looked cheap on premium can be expensive if a key drug is on a higher tier or not covered.

Making a snap decision on a phone call. You are allowed to take time, ask questions, and hang up. Nothing in MA-OEP requires a same-day answer.

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 Washington County

68% are on Medicare Advantage
(MA penetration in Washington County)
68%
32%
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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Medicare Advantage companies in Washington County

By local enrollment size · informational, not a ranking
CompanyLocal enrollmentPlans offeredLocal agentsAction
Highmark HealthRegional—Yes
Aetna (CVS Health)National—Yes
Upmc Health SystemRegional—Yes
UnitedHealthcareNational—Yes
HumanaNational—Yes
United Mine Workers OF America Hlth & RetirementRegional—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 and want to join a Medicare Advantage plan now. Can I use this window?
A: No. MA-OEP is only for people already in a Medicare Advantage plan on January 1. You would generally need to wait until the next Annual Enrollment Period in the fall, unless you qualify for a Special Enrollment Period.
Q: If I switch plans in February, when does the new coverage begin?
A: Coverage under the new plan starts the first day of the month after the plan receives your enrollment request. A February request means a March 1 start date.
Q: Do I have to tell my old plan I'm leaving?
A: No. When you enroll in the new plan (or return to Original Medicare and pick up a Part D plan), your prior Medicare Advantage plan is automatically disenrolled. Don't cancel it separately.
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