You’ve had the same Medicare plan all year.

You like your doctors.

Your prescriptions are covered.

The costs seem manageable.

October arrives, and you think:

“I’m happy with my Medicare plan. I’m just going to leave everything alone.”

That may ultimately be the right decision.

But there’s one important step you shouldn’t skip:

Make sure the plan you’re keeping for 2027 is actually the plan you think you’re keeping.

Medicare Advantage and Medicare Part D plans can make changes from one year to the next.

Your plan may renew automatically.

Your benefits and costs don’t necessarily remain identical.

Medicare specifically tells beneficiaries to review their plan’s Annual Notice of Change and Evidence of Coverage every year because coverage, costs, provider networks and other plan features can change.

That means doing nothing during Open Enrollment can still result in something changing on:

January 1, 2027.

Here’s what to look for.

---

First: Can Your Medicare Plan Really Change Every Year?

Yes.

Private Medicare plans operate on annual benefit years.

Medicare explains that Medicare Advantage plans can make changes involving:

• Coverage
• Costs
• Service areas
• Other plan features

from one year to the next.

Prescription drug plan coverage and costs can also change annually.

That doesn’t mean your plan will make major changes.

And it certainly doesn’t mean you should automatically switch plans every year.

It means:

Review before you renew.

You may review everything and decide:

“My current plan still fits me perfectly.”

Great.

That’s a much stronger decision than assuming nothing changed.

---

Automatic Renewal Does Not Mean Identical Coverage

This distinction is the heart of the article.

Suppose you’re enrolled in a Medicare Advantage plan and the plan continues to be offered in your service area for 2027.

In many situations, if you make no change during the Annual Enrollment Period, you’ll remain enrolled in that plan for the new year.

But the plan’s 2027 version may have different:

• Premiums
• Deductibles
• Copayments
• Coinsurance
• Maximum out-of-pocket limits
• Prescription coverage
• Provider networks
• Supplemental benefits
• Plan rules

So think of automatic renewal as:

Your enrollment continues.

Not:

Every feature of your 2026 coverage is frozen forever.

That’s a very different concept.

---

The Document You Need to Read: Your Annual Notice of Change

If you remember only one acronym from this article, remember:

ANOC

That stands for:

Annual Notice of Change.

Your Medicare plan sends this document each year.

Medicare describes the ANOC as the notice that tells you about upcoming changes to your Medicare health or drug plan’s coverage, costs and more.

For Medicare Advantage, Medicare’s handbook says the ANOC includes changes that will become effective in January and that the plan sends a printed copy by September 30.

So when that document arrives:

Don’t throw it away.

Don’t assume it’s junk mail.

And don’t put it in a drawer until January.

It may be one of the most important Medicare documents you receive all year.

---

What Can Change in Your Medicare Plan for 2027?

Quite a bit.

Here are the areas I would review one by one.

---

1. Your Monthly Plan Premium Can Change

Start with the obvious number.

What will the plan cost each month in 2027?

Your Medicare Advantage or Part D plan premium could potentially:

• Increase
• Decrease
• Stay the same

A Medicare Advantage plan that has a $0 monthly plan premium in 2026 shouldn’t automatically be assumed to have the same premium in 2027.

Likewise, a plan with a premium today could have a different premium next year.

But don’t evaluate the plan based on premium alone.

As we explain in our $0 Premium Medicare Advantage Plans guide, the premium is only one piece of your potential healthcare spending.

A $0-premium plan can still have copayments, coinsurance and other out-of-pocket costs.

---

2. Your Deductible Can Change

Check both sides of the plan if applicable:

Medical deductible

and:

Prescription drug deductible.

A change in deductible can affect how much you pay before certain plan benefits begin paying according to their rules.

Don’t just compare:

2026 premium vs. 2027 premium.

Compare the entire cost structure.

---

3. Your Primary Care Copay Can Change

Maybe you currently pay:

$0 to see your PCP.

Don’t automatically assume that stays the same.

Check your 2027 documents.

Even seemingly small changes can matter if you visit your physician frequently.

---

4. Your Specialist Copay Can Change

This can be even more important for someone with multiple chronic conditions.

Suppose you regularly see:

• Cardiologist
• Endocrinologist
• Neurologist
• Oncologist
• Orthopedist

A change in specialist cost-sharing multiplied across many appointments can affect your annual healthcare budget.

Don’t look at a copay increase in isolation.

Ask:

How many times am I realistically going to pay this next year?

---

5. Hospital Costs Can Change

Hospital cost-sharing deserves special attention.

Depending on your Medicare Advantage plan, inpatient hospital care may involve plan-specific:

• Copayments
• Coinsurance
• Per-day costs
• Other applicable cost-sharing

If those amounts change for 2027, the difference could matter considerably during a serious illness or hospitalization.

This is why we continually emphasize:

Don’t compare Medicare plans based solely on monthly premium.

The cost of using the plan can matter much more.

---

6. Your Maximum Out-of-Pocket Limit Can Change

For Medicare Advantage members, this is one of the most important numbers to review:

MOOP

or:

Maximum Out-of-Pocket Limit.

This is the annual limit on what you pay out of pocket for covered Medicare Part A and Part B services under the applicable plan rules.

You may never reach it.

Hopefully you don’t.

But it represents an important measure of your potential financial exposure during a high-healthcare-use year.

If your MOOP changes from 2026 to 2027:

Pay attention.

A plan could keep a $0 premium while changing other cost-sharing.

That’s why reviewing the entire plan matters.

---

7. Your Prescription Formulary Can Change

This is one of the biggest areas for Part D beneficiaries and Medicare Advantage members with prescription drug coverage.

A formulary is the plan’s list of covered prescription drugs.

Your medication may be covered today.

But you still need to check its status for the next plan year.

Medicare explains that prescription costs depend in part on:

• Whether your prescriptions are on the plan’s formulary
• Which tier they’re on
• Which pharmacy you use
• Other Part D factors.

So don’t ask only:

“Does my plan still exist?”

Ask:

“Does my plan still cover MY medications appropriately?”

---

8. Your Medication’s Drug Tier Can Change

A prescription can remain on the formulary and still become more expensive.

Why?

Because the plan may place it on a different:

Drug tier.

Plans use formulary tiers to organize medications with different cost-sharing structures.

So imagine your medication remains covered.

You might think:

“Great. Nothing changed.”

But if it moved to a different tier, your out-of-pocket cost could potentially change.

That’s why checking only whether the medication appears on the formulary isn’t enough.

Check:

Is it covered?

What tier is it on?

What will I pay?

Are there utilization requirements?

Those questions give you a much better picture.

---

9. Prior Authorization Requirements Can Change

Another area beneficiaries sometimes overlook is:

Prior authorization.

Certain medical services, procedures, equipment or prescription drugs may require approval under the plan’s rules before coverage applies.

That matters especially if you:

• Have a chronic condition
• Receive expensive medications
• Need recurring treatments
• Use durable medical equipment
• Expect surgery
• Receive advanced imaging
• Need specialty care

A plan that works smoothly for you today may operate differently next year if authorization requirements change.

Don’t assume:

“My doctor prescribed it, therefore everything else stays exactly the same.”

Check the new plan rules.

---

10. Your Pharmacy Network Can Change

This one can quietly affect prescription costs.

Medicare explains that Part D costs may depend on whether you use a:

• Preferred pharmacy
• Standard cost-sharing pharmacy
• Out-of-network pharmacy
• Mail-order pharmacy.

Suppose you fill every prescription at the pharmacy five minutes from your house.

For 2026, it’s preferred.

For 2027, its relationship with your plan changes.

You could potentially find yourself paying more even though:

Same medication.

Same pharmacy.

Same insurance company.

That’s why pharmacy status belongs on your annual Medicare checklist.

---

11. Your Provider Network Can Change

This may be the biggest concern for many Medicare Advantage members.

You chose your plan because it included:

Dr. Smith.

Your cardiologist.

Your preferred hospital.

Your medical group.

But provider networks aren’t permanent.

Medicare says Medicare Advantage plans can change providers in their networks during the year, and plans must take certain steps when network providers leave, including helping affected members find new providers and providing notices in applicable circumstances.

That means provider verification shouldn’t be something you do only when you first enroll.

Do it again.

---

Don’t Ask Only: “Is My Doctor Still in the Plan?”

Ask:

Is my primary doctor still participating?

Are my specialists still participating?

Is my hospital still participating?

Is my medical group still participating?

Are the facilities I regularly use still participating?

The hospital question can be particularly important.

A plan might still include your physician while your preferred hospital relationship changes—or vice versa.

Look at the entire healthcare ecosystem you use.

---

HMO vs. PPO Doesn’t Eliminate the Need to Check Networks

You may think:

“I’m in a PPO, so network changes don’t really matter.”

Not necessarily.

PPOs generally provide more out-of-network flexibility than HMOs, but out-of-network care may cost more.

That’s why you should still check your network every year.

Our HMO vs. PPO Medicare Advantage guide explains why the plan type matters less than how the actual network fits the way you receive healthcare.

A PPO isn’t a reason to ignore network changes.

---

12. Dental Benefits Can Change

Medicare Advantage plans may offer supplemental dental benefits.

But the structure can vary significantly by plan.

Review whether anything changed involving:

• Annual allowance
• Covered services
• Dental network
• Coinsurance
• Copays
• Frequency limits
• Prior authorization
• Other plan limitations

Don’t stop at:

“Dental included.”

Ask:

“What exactly does the 2027 dental benefit provide?”

---

13. OTC Benefits Can Change

Over-the-counter benefits receive a lot of Medicare advertising attention.

Your plan may provide an OTC allowance for eligible items.

But the:

• Amount
• Frequency
• Eligible products
• Retail locations
• Ordering process
• Benefit structure

can be plan-specific.

If OTC is an important benefit for you, compare its actual 2027 value.

We’ve explained this in more detail in our Medicare Advantage OTC, Transportation and Fitness Benefits guide.

---

14. Transportation Benefits Can Change

Some Medicare Advantage plans provide transportation benefits for qualifying healthcare-related trips.

But again:

Plan-specific.

You may have limitations involving:

• Number of trips
• Distance
• Eligible destinations
• Scheduling
• Transportation vendors
• Service areas

If you’ve actually been using the transportation benefit, put it on your annual review checklist.

A benefit you depend on deserves more attention than a benefit that merely looks impressive in an advertisement.

---

15. Fitness Benefits Can Change

Fitness benefits can also change from year to year.

Review:

• Participating gyms
• Fitness networks
• At-home options
• Digital programs
• Other applicable services

But remember our broader rule:

Don’t choose your healthcare plan based on the gym membership before checking your doctors and prescriptions.

Supplemental benefits matter.

Medical coverage comes first.

---

16. Vision and Hearing Benefits Can Change

If your plan includes vision or hearing benefits, check:

• Allowances
• Copays
• Provider networks
• Covered products
• Frequency limits
• Other restrictions

A headline saying:

“Vision included”

doesn’t tell you enough.

Compare the actual benefit.

---

17. Your Plan Could Leave Your Area Entirely

Sometimes the issue isn’t a benefit change.

The plan itself may no longer continue in your service area.

Medicare explains that Medicare Advantage plans can choose to leave Medicare or make changes involving their service areas. If a plan stops participating, affected beneficiaries need other coverage arrangements.

That is very different from:

“My specialist copay increased.”

If your plan isn’t continuing, your notices should explain what happens next and what options are available.

Don’t ignore those letters.

---

So What Is Actually Happening for Medicare in 2027?

There are federal program changes underway for 2027, but don’t confuse broad Medicare policy changes with the specific benefits of your individual plan.

CMS finalized its Contract Year 2027 Medicare Advantage and Part D rule in April 2026. Among other provisions, CMS codified Part D changes flowing from the Inflation Reduction Act and made updates involving Star Ratings and program administration.

CMS also finalized 2027 Medicare Advantage and Part D payment policies in April. The final Rate Announcement projects an average 2.48% increase—more than $13 billion—in payments to Medicare Advantage plans for 2027, before considering estimated risk-score trend.

But here’s the important consumer takeaway:

A national Medicare payment increase does not tell you what your individual plan’s 2027 benefits will be.

You still need to review your specific plan.

---

Don’t Guess at 2027 Benefits Before They’re Available

This is especially important in August.

You’ll see headlines.

You’ll hear rumors.

You may see agents or websites discussing expected changes.

But your decision should ultimately be based on the actual 2027 plan information available for your area, not speculation.

Your ANOC is one of the first important documents to review.

Then, when 2027 plan information becomes available for comparison, you can evaluate your current plan against the alternatives available to you.

---

Your Annual Notice of Change Should Answer: “What’s Different?”

When your ANOC arrives, sit down with:

Your 2026 coverage

and:

Your 2027 changes.

Then compare.

You don’t necessarily need to read every page from beginning to end before understanding the important differences.

Start with the sections highlighting changes.

Look for:

Premium

Did it change?

Deductible

Did it change?

Primary care

Did the copay change?

Specialists

Did the copay change?

Hospital

Did cost-sharing change?

MOOP

Did your maximum increase or decrease?

Prescriptions

Are your drugs still covered appropriately?

Pharmacy

Is your pharmacy still preferred or in network?

Benefits

Did dental, vision, hearing, OTC, transportation or fitness change?

Then investigate anything relevant to you.

---

Your Evidence of Coverage Matters Too

The other important document is your:

Evidence of Coverage (EOC).

Medicare says the EOC explains:

• What your plan covers
• How much you pay
• Other details about the coverage.

Think of the difference this way:

ANOC:

What is changing?

EOC:

How does the plan work?

Both are valuable.

Medicare specifically recommends reviewing these annual plan documents to determine whether your coverage will continue meeting your needs.

---

“But I Love My Medicare Plan.”

That’s great.

This article isn’t telling you to switch.

In fact, one of the worst approaches to Medicare Open Enrollment would be:

“Everyone needs to change plans every year.”

That’s simply not the point.

You may review your 2027 coverage and discover:

• Your doctors remain available
• Your prescriptions are covered
• Your costs remain acceptable
• Your benefits still fit you
• Your pharmacy still works well
• Your plan continues meeting your needs

In that case:

Staying may make perfect sense.

The goal isn’t:

Change every year.

The goal is:

Check every year.

---

A Plan Change Shouldn’t Automatically Mean You Need to Switch Either

This deserves equal emphasis.

Suppose your specialist copay increases slightly.

Should you switch?

Not necessarily.

What if the alternative plan:

• Doesn’t include your cardiologist
• Has a higher hospital cost
• Has worse prescription coverage
• Has a higher MOOP

Switching to avoid one small change could potentially create larger problems elsewhere.

Always compare the:

Whole plan.

---

Your Health Can Change Even When Your Plan Doesn’t

Here’s the other side of the equation.

Sometimes your Medicare plan changes.

Sometimes:

You change.

Maybe this year you:

• Developed a new medical condition
• Started seeing a specialist
• Added an expensive medication
• Scheduled surgery
• Changed pharmacies
• Moved
• Started traveling more
• Began spending part of the year in another state
• Started using dental care more frequently

Even if your plan changed very little, your healthcare needs may have changed enough to justify a review.

That’s another reason annual comparisons matter.

---

The Best 2026 Plan for You Isn’t Automatically the Best 2027 Plan

Not because another insurance company is necessarily better.

Not because you should chase new benefits.

But because two moving pieces exist:

Your plan can change.

and:

Your healthcare needs can change.

Your annual review asks whether those two things still fit together.

That’s the real purpose.

---

Build Your 2027 Medicare Review File Now

Before October 15, gather:

Current Medicare plan

Write down the exact plan name.

Doctors

PCP and every specialist.

Hospitals

Especially facilities you prefer or regularly use.

Prescriptions

Name, dosage and frequency.

Pharmacy

Include your preferred location.

2026 costs

Premium, specialist costs, hospital costs and other major expenses.

Benefits you actually used

Dental?

OTC?

Transportation?

Vision?

Fitness?

Expected 2027 healthcare needs

Upcoming surgery?

New specialist?

New medication?

More travel?

Now you’re ready to compare intelligently.

Our Medicare Open Enrollment 2027 preparation guide walks through this process in more detail.

---

The 2027 Medicare Plan Review Checklist

When your plan documents arrive, work through this:

Costs

☐ Monthly premium
☐ Medical deductible
☐ Drug deductible
☐ PCP copay
☐ Specialist copay
☐ Hospital costs
☐ Outpatient surgery
☐ Imaging
☐ Emergency room
☐ Ambulance
☐ MOOP

Prescriptions

☐ Every medication still covered
☐ Drug tiers
☐ Copays/coinsurance
☐ Prior authorization
☐ Step therapy
☐ Quantity limits
☐ Preferred pharmacy status

Providers

☐ PCP
☐ Cardiologist
☐ Other specialists
☐ Hospital
☐ Medical group
☐ Outpatient facilities

Supplemental Benefits

☐ Dental
☐ Vision
☐ Hearing
☐ OTC
☐ Transportation
☐ Fitness
☐ Other benefits you use

Your Life

☐ New diagnosis
☐ New medication
☐ Upcoming procedure
☐ New doctor
☐ Travel changes
☐ Moving
☐ Budget changes

That’s a Medicare plan review.

---

When Can You Make Changes?

Medicare’s Annual Enrollment Period—often called Medicare Open Enrollment—runs:

October 15 through December 7

each year.

During this period, Medicare beneficiaries can make certain changes involving Medicare Advantage and Part D coverage for the following year.

Changes made during this period generally take effect:

January 1.

That’s why the ANOC arrives before Open Enrollment.

The sequence makes sense:

September:

Learn what’s changing.

October 15–December 7:

Decide whether to make a change.

January 1:

New plan-year coverage begins.

---

Don’t Wait Until December 7 to Open Your ANOC

Technically, December 7 is the end of the Annual Enrollment Period.

Practically?

Don’t make that your research date.

You want time to:

• Review changes
• Check doctors
• Check medications
• Compare pharmacies
• Compare plan costs
• Ask questions
• Evaluate alternatives

A rushed Medicare decision is rarely better than a prepared one.

---

What If You Don’t Receive Your Annual Notice of Change?

Don’t simply assume:

“I guess nothing changed.”

Medicare says that if you don’t receive these important annual documents, you should contact your plan.

You can also use Medicare’s official resources to understand the notices you should receive:

Medicare.gov — Costs and Coverage Notices

---

Should You Automatically Switch Medicare Plans for 2027?

No.

And you shouldn’t automatically stay either.

Those are both predetermined decisions.

Instead:

Review → Compare → Decide.

Your current plan deserves the same evaluation as every alternative.

If it’s still the best fit for your needs among the options you consider:

Stay.

If another option better matches your healthcare and financial needs:

Then evaluate whether changing makes sense.

---

A Simple Example

Imagine Linda loves her 2026 Medicare Advantage plan.

She pays a $0 plan premium.

Her PCP is in network.

Her cardiologist is in network.

Her prescriptions are covered.

She likes her dental benefit.

So Linda assumes:

“I’ll just keep it.”

Then her ANOC arrives.

She discovers that for 2027:

Her plan still has a $0 premium.

That looks good.

But she also notices changes to:

• Specialist cost-sharing
• Hospital cost-sharing
• MOOP
• Dental benefits

Then she checks her medications and provider network.

Now Linda can make an informed decision.

She may still keep the plan.

But she’s no longer keeping it because:

“It was good last year.”

She’s keeping it because:

She checked whether it’s still good for her next year.

That’s the difference.

---

The Biggest Medicare Open Enrollment Mistake May Be Doing Nothing Without Checking

Doing nothing isn’t necessarily a mistake.

Doing nothing without reviewing is.

You don’t have to switch Medicare plans every year.

You don’t need to chase every new advertisement.

You don’t need to change carriers because someone calls you.

But you should know:

What you’re paying.

What you’re getting.

What’s changing.

Whether your doctors remain available.

Whether your prescriptions still work with the coverage.

Whether another available option deserves consideration.

That’s responsible Medicare planning.

---

Want Help Reviewing What Changed for 2027?

When your 2027 Medicare plan information becomes available, Medicare Plan Assistance can help you compare your current coverage with the Medicare plan options the agency represents.

We can help you review:

• Premiums
• Deductibles
• Copays
• MOOP
• Doctors
• Hospitals
• Prescriptions
• Pharmacies
• Provider networks
• Prior authorization considerations
• Supplemental benefits

📞 Call Medicare Plan Assistance at (561) 808-9410

The goal isn’t to change your plan simply because it’s Open Enrollment.

The goal is to understand what’s changing and determine whether your coverage still fits you.

---

Frequently Asked Questions

Can my Medicare Advantage plan change for 2027 even if I do nothing?

Yes. Medicare Advantage plans can change coverage, costs, provider networks, service areas and other plan features from one year to the next. Remaining enrolled doesn’t necessarily mean every benefit and cost remains identical.

What is the Medicare Annual Notice of Change?

The Annual Notice of Change, or ANOC, is the document your Medicare health or drug plan sends explaining changes in coverage, costs and other plan details that will apply in the upcoming year.

When should I receive my Medicare Annual Notice of Change?

Medicare’s handbook says Medicare Advantage plans send the printed Annual Notice of Change by September 30.

Can my Medicare Advantage premium change for 2027?

Yes. Plan premiums and other costs can change from year to year. Review the specific 2027 information from your plan rather than assuming the 2026 premium will continue unchanged.

Can my Medicare Advantage maximum out-of-pocket limit change?

Plan cost structures can change annually, so you should compare your 2027 maximum out-of-pocket limit with your current plan’s limit.

Can my Medicare drug formulary change for 2027?

Drug plan coverage and costs can change from year to year. Review whether your prescriptions remain covered, their tiers and applicable coverage rules. Medicare notes that drug costs depend partly on formulary placement, tiers and pharmacy choice.

Can my pharmacy cost more under the same Medicare plan next year?

Potentially. Medicare notes that prescription costs can vary based on whether a pharmacy has preferred, standard, out-of-network or mail-order status. Review your preferred pharmacy for the new plan year.

Can my doctors leave my Medicare Advantage network?

Yes. Medicare says Medicare Advantage provider networks can change, including during the year. Plans have notification and continuity obligations in applicable situations when providers leave.

Should I change Medicare plans every year?

No. The goal should be to review your current coverage each year and determine whether it still fits your healthcare and financial needs. If it does, keeping it may make sense.

Where can I get help reviewing my Medicare plan for 2027?

Medicare Plan Assistance can help beneficiaries compare their current coverage with the Medicare plans the agency represents. Call (561) 808-9410