You enrolled. Now learn how it actually works. Understand what your cards do, how bills move, where gaps live, and what to do when something gets denied.
Pick a topic below. Open one to see specific situations. Open a situation to see plain steps. Stop at any depth that answers your question. Or search across all of it.
Bills & claims · A bill arrived
Do not pay it yet
A provider bill almost always arrives before Medicare and your secondary insurance have finished paying their share. Most providers give you 30 to 90 days. Use that time to verify the amount.
1
Wait for two documents
A Medicare Summary Notice (MSN) from Medicare, and an Explanation of Benefits (EOB) from your Medigap or Advantage plan. Neither is a bill.
2
Compare all three documents
The amount the provider is asking for should match your EOB. If they don't agree, the provider may have billed before insurance finished.
3
Call the billing department
Have the documents in hand. Ask them to reconcile. Most billing errors resolve in a single call.
4
If you cannot afford it, ask about charity care
Hospitals that accept Medicare or Medicaid are required to have charity care policies. Ask before the bill goes to collections.
A service you never received is fraud
Call 1-800-MEDICARE immediately. Reporting it protects your account.
Bills & claims · Three documents
MSN, EOB, and the provider bill
After a medical visit, three documents arrive in your mail. Two of them are not bills. Only the third is something you actually pay. The two non bill documents are the Medicare Summary Notice (MSN) and the Explanation of Benefits (EOB), and they are how you verify the bill that follows is correct.
Medicare Summary Notice (MSN)
From CMS, mailed quarterly. Lists every claim submitted in your name during that quarter. Shows what was billed, approved, and paid. Not a bill. Available immediately at medicare.gov.
Explanation of Benefits (EOB)
From your Medigap insurer or Advantage plan, sent per claim. Shows what insurance paid and what you owe. Under Plan G, most EOBs show $0 owed once the Part B deductible is met. Not a bill.
Provider bill
From the doctor or hospital, sent after both insurance documents have processed. Shows the amount you actually owe. This is the one you pay.
Bills & claims · Behind the scenes
How a Medicare claim moves
From the moment your doctor orders something to the bill in your mailbox, a claim passes through several hands. Knowing the path helps you spot when something has gone wrong.
1. Your doctor orders something
Prescription, referral, imaging, equipment, or lab. Nothing is billed until a licensed provider has ordered it.
2. The provider submits a claim
Doctor, hospital, lab, or supplier files electronically. You are not responsible for filing.
3. Medicare processes and pays
Pays 80% of the approved amount for Part B services after your annual deductible. Takes two to four weeks.
4. MSN arrives quarterly
Lists every claim from the quarter. Review it. This is where Medicare fraud shows up.
5. Medigap pays its share automatically
Medicare forwards the remaining balance through crossover billing. You submit nothing.
6. The provider sends the final bill
For your remaining share, typically nothing or very little under Plan G. This document is what you pay.
Bills & claims · Spotting errors
A bill looks wrong
Most billing problems resolve with one phone call. Read your Medicare Summary Notice (MSN) and Explanation of Benefits (EOB) before paying anything. The numbers should agree.
Provider bill higher than your EOB says you owe
Call the provider's billing department with both documents. Do not pay until they explain. Most errors resolve quickly.
A service you never received
This is Medicare fraud. Call 1-800-MEDICARE (1-800-633-4227) immediately or report at medicare.gov. Report even small amounts.
A claim was denied
You have appeal rights. Read the denial reason. Open the Denials & appeals topic for the full process.
Bills & claims · Financial hardship
If you cannot pay
Hospitals that accept Medicare or Medicaid are required to have charity care policies. Asking before the bill goes to collections is much easier than asking after.
1
Call the provider's billing department
Ask: "Do you have a financial assistance program?" and "Can I set up a payment plan?" Most will work with you.
2
Ask for the financial assistance application
Hospitals typically require proof of income. Eligibility usually scales with income relative to the federal poverty level.
3
If you qualify for Medicaid or Extra Help, apply now
Even if not full Medicaid, the Medicare Savings Programs cover Part B premiums and cost-sharing. Find out at shiphelp.org.
Cards & enrollment · Just enrolled
Five things to do before you need them
The work you do in the first few weeks of Medicare prevents almost every billing problem people run into later. Most of this is one afternoon of phone calls.
1
Call every current doctor with your new insurance
Tell them Medicare started. Give them your Medicare number, Medigap or Advantage plan, and Part D plan. If they bill the wrong plan, claims get rejected.
2
Take your drug card to the pharmacy for a test claim
Bring the Part D card and your medication list. Ask them to run a test claim. You will know what each medication costs before you fill it.
3
Set up your medicare.gov account today
Free, takes ten minutes. You can see every claim Medicare processes in real time. medicare.gov
4
Handle dental, vision, and hearing now
Medicare covers almost none of these. If you had previous coverage ending, address anything you have been delaying. Most replacement plans have a six to twelve month waiting period.
5
Verify every doctor by your exact plan name (Advantage)
Call each office and ask: "Are you currently in-network for [your plan name]?" Online directories can be months out of date.
Three cards arrive when you enroll in Original Medicare. Each has a specific job and a specific place to use it.
Medicare card, red, white, and blue
From the Centers for Medicare and Medicaid Services (CMS). Your Medicare number and the start dates of Part A and Part B. Bring it to every appointment alongside your Medigap card. Guard the number like a Social Security number , it is used for identity theft.
Medigap card
From your supplement insurer. Plan letter (G, N, etc.), member ID, billing info. Carry it alongside your Medicare card. Providers need both to send remainders to your supplement automatically.
Drug plan card, Part D
From your Part D insurer. Member ID and the Rx BIN and PCN your pharmacy needs. Use this at the pharmacy , not your Medicare card.
Cards & enrollment · Medicare Advantage
Your Advantage cards
On Medicare Advantage, your plan card replaces the Original Medicare card for most uses, but you still keep the original.
Medicare Advantage card
The card you show at every appointment. Replaces your red, white, and blue card for most provider interactions. Drug coverage is usually on this card or a second card from the same plan.
Original Medicare card, keep it
You keep your red, white, and blue Medicare card even on Advantage. Most providers will not use it day-to-day, but you may need it for emergency care while traveling outside your plan's service area, or if your Advantage plan ends. Store it safe.
Cards & enrollment · Online tools
Your medicare.gov account
Free, takes ten minutes to set up. Once it's running, you can see every claim Medicare processes in your name in real time.
1
Go to medicare.gov and click "Log in / Create account"
You will need your Medicare number, current address, and a phone number for verification.
2
Verify your identity
Medicare uses Login.gov for identity verification. The process is similar to other federal accounts.
3
Review your claims regularly
Claims appear within days of being processed. This is the fastest way to catch fraud, meaning a service in your name you did not receive.
Cards & enrollment · Before you go
Before your first visit
A few minutes of preparation prevents almost every billing problem. Most of these are quick phone calls.
1
Confirm your provider takes your specific coverage
Original Medicare: ask if they accept assignment. Advantage: ask if they are in-network for your specific plan name.
2
Bring all relevant cards
Medicare card + Medigap card, or Advantage card. Plus your Part D card if you might fill a prescription that day.
3
Bring a current medication list
Names, doses, frequencies. This protects against drug interactions and missed updates.
Coverage and gaps · The affirmative picture
What Medicare covers
Medicare is structured in four parts. Each one covers a specific slice of healthcare. Knowing what each part covers, in plain language, is the first step to understanding any bill, denial, or planning decision you will make.
Part A, Hospital
Inpatient hospital stays, skilled nursing facility (SNF) care after a qualifying hospital stay, hospice care, and limited home health. Most people pay no premium for Part A because they paid Medicare taxes while working.
Part B, Medical
Doctor visits, outpatient care, preventive services, mental health (outpatient), durable medical equipment (DME) such as wheelchairs and oxygen, ambulance services, and diagnostic imaging. Part B has a monthly premium ($202.90 in 2026 for most enrollees).
Part C, Medicare Advantage
A private alternative to Original Medicare. Bundles Part A, Part B, and usually Part D into one plan. Often adds limited dental, vision, hearing, and fitness benefits. Comes with network restrictions and prior authorization.
Part D, Prescription drugs
Outpatient prescription drugs filled at a pharmacy. Sold separately if you have Original Medicare, or included if you have Medicare Advantage with drug coverage. Annual out of pocket cap is $2,100 in 2026.
Preventive services at no cost
Annual Wellness Visit, cancer screenings (mammogram, colorectal, cervical, prostate, lung CT for qualifying smokers), cardiovascular screenings, diabetes screenings, depression screening, bone density, and most vaccines. No deductible, no copay, when billed correctly as preventive.
Equipment ordered by your doctor
Wheelchairs, walkers, hospital beds, oxygen, continuous positive airway pressure (CPAP) machines, blood sugar monitors, prosthetics, and similar durable medical equipment are covered under Part B at 80% after the deductible.
Mental health
Outpatient mental health visits, inpatient psychiatric care (with separate benefit rules), and substance use disorder treatment are covered. Telehealth mental health is covered under both Original Medicare and Advantage.
Home health and hospice
When you qualify, Medicare covers home health visits at no cost to you. Hospice covers all services and medications related to the terminal diagnosis when a doctor certifies a prognosis of six months or less.
Medicare covers most acute care, but you still pay a share of nearly every service. The structure of those out of pocket (OOP) costs is different on Original Medicare than on Medicare Advantage. Knowing your structure ahead of time is what prevents surprise.
Original Medicare · The uncapped 20 percent
After the Part B deductible ($283 in 2026), Medicare pays 80 percent of most outpatient costs. You owe the remaining 20 percent with no annual ceiling. A complex surgery or long stay can produce tens of thousands in 20 percent shares. Medigap Plan G or N covers most or all of this.
Original Medicare · Part A hospital deductible
$1,736 per benefit period in 2026, not per year. A new benefit period begins after 60 days out of the hospital. Skilled nursing facility coinsurance runs $217 per day for days 21 through 100. Medigap covers both in full under Plans G and N.
Medicare Advantage · The annual out of pocket maximum
Advantage plans cap your in network annual OOP costs. The federal cap in 2026 is $9,250 for in network services. A serious illness can push you close to that cap before the protection kicks in. Know your specific plan's number; it is in your Evidence of Coverage.
Medicare Advantage · Network restrictions
Out of network providers are either not covered or significantly more expensive. Networks change every year. Verify every provider, every year. There is no standard fix.
Medicare Advantage · Prior authorization
Many services require advance plan approval before they are covered. Specialist visits under HMO plans, hospitalizations, advanced imaging, and certain procedures are common targets. Approval can be denied. Appeal rights exist.
Part D drug cost cap
Annual out of pocket spending on covered drugs is capped at $2,100 in 2026. Once you spend $2,100 on Part D drugs in a calendar year, your cost sharing stops for the rest of the year.
Several major categories of care are not covered by Medicare regardless of your plan choice. Each requires separate planning. Long term care (LTC) is the largest of these gaps and the one most people are unprepared for.
Routine dental, vision, and hearing
Cleanings, fillings, dentures, eyeglasses, contact lenses, hearing aids. Each requires a separate standalone plan. Some Medicare Advantage plans include limited benefits in these categories; read the Evidence of Coverage carefully because the limits can be modest.
Long term custodial care
Help with daily activities such as bathing, dressing, and eating. Medicare covers only short term skilled nursing facility (SNF) care after a qualifying three day inpatient hospital stay. Long term custodial care is the largest uncovered expense in senior healthcare.
Most overseas care
Original Medicare covers almost no care outside the United States. Some Medigap plans add limited foreign travel emergency coverage.
Cosmetic procedures
Not covered unless reconstructive after illness or injury.
A Medicare covered hospital stay has a specific cost structure built around the benefit period. Most of the cost gaps are filled by Medigap.
Part A deductible
$1,736 per benefit period in 2026. A benefit period resets after 60 days out of the hospital. Medigap covers it in full under most plans.
Days 1 through 60
After the deductible, no daily coinsurance.
Days 61 through 90
$434 per day in 2026. Medigap typically covers in full.
Lifetime reserve days
Up to 60 additional days available once in your lifetime, at $868 per day in 2026. Medigap covers these.
Skilled nursing facility (SNF), days 1 through 20
No coinsurance. Requires a qualifying three day inpatient hospital stay first.
SNF, days 21 through 100
$217 per day in 2026. Medigap covers under most plans.
Coverage and gaps · Hospital classification
Inpatient versus observation
A hospital stay can be classified two ways. Looking the same to you, they are billed completely differently and have very different consequences for what comes after.
Ask the hospital case manager today
"Are they admitted as inpatient or observation?" The hospital must tell you in writing within 36 hours, but ask now.
Inpatient
Formally admitted. Covered under Part A. The Part A deductible ($1,736 in 2026) applies once per benefit period. After three consecutive inpatient days, a follow on skilled nursing facility (SNF) stay is covered.
Observation
Technically outpatient, even when in a hospital bed for several days. Covered under Part B. You owe 20 percent of each individual service. Time spent in observation does not count toward the three day inpatient requirement for skilled nursing.
The Medicare Outpatient Observation Notice (MOON)
If observation lasts more than 24 hours, the hospital must give you this written notice within 36 hours. Read it. The doctor can request a status change.
Coverage and gaps · Filling the benefit gaps
Supplementary coverage
Original Medicare and most Medicare Advantage plans leave four major benefit gaps. Each is filled by a separate product, not a feature of Medicare itself. Knowing what each one covers, and how it is purchased, prevents the most common surprise: assuming Medicare covers something it does not.
Routine dental
Cleanings, fillings, crowns, dentures. Original Medicare covers almost none of this. Options: a standalone dental plan from a private insurer, an Advantage plan with a dental benefit (limits and networks vary widely), or paying out of pocket. Most replacement plans have six to twelve month waiting periods before covering major work.
Routine vision
Eye exams, eyeglasses, contacts. Original Medicare covers cataract surgery and care for medical eye conditions, but not routine vision. Options: a standalone vision plan, a vision benefit on an Advantage plan, or a discount plan such as VSP or EyeMed.
Hearing aids
Original Medicare covers diagnostic hearing exams ordered by a doctor but not hearing aids themselves. Options: a few Advantage plans include partial hearing aid coverage, some private supplemental plans cover them, and over the counter (OTC) hearing aids became available in 2022 at significantly lower cost.
Long term care (LTC)
Help with daily activities, bathing, dressing, and eating, in a nursing home, assisted living, or at home. The largest uncovered expense in senior healthcare. Options: long term care insurance (purchased before you need it), Medicaid (after you have spent down assets), or paying out of pocket.
Original Medicare has no network. You can see any doctor, anywhere in the country, who accepts Medicare patients. No referrals needed for specialists.
1
Confirm the doctor accepts Medicare assignment
Accepting assignment means they accept Medicare's approved amount as full payment. A non-assignment doctor can charge up to 15% above the approved rate. Verify at medicare.gov/care-compare.
2
Ask if they are accepting new patients
A doctor who accepts Medicare may still have a closed panel. Ask when you first call.
3
No referrals needed for specialists
Original Medicare lets you self-refer to any specialist who accepts Medicare. This is one of its biggest advantages.
Doctors & care · Medicare Advantage
Finding a doctor on Advantage
Advantage networks change annually. Verify every provider by your specific plan name, not just "Medicare Advantage."
1
Know whether your plan is a Health Maintenance Organization (HMO) or a Preferred Provider Organization (PPO)
An HMO requires a primary care doctor and referrals to specialists. A PPO allows specialists without referrals and covers out of network providers at higher cost. Call member services if you are unsure which type you have.
2
Verify by exact plan name
Call each office and ask: "Are you currently in-network for [your plan name]?" Online directories can lag months behind.
3
Verify again every year
Networks renegotiate annually. A doctor in-network this year may leave next year. Re-verify during fall enrollment.
Doctors & care · Emergencies
Emergency care, anywhere
Both Original Medicare and Medicare Advantage cover emergency care anywhere in the country, even out-of-network.
Emergency rooms, covered
Genuine emergencies, meaning conditions a reasonable person would believe require immediate care, are covered at in-network rates regardless of where you are.
Urgent care, varies
Non-emergency urgent care outside your network is handled differently by plan. Verify your plan's policy before you need it.
Foreign travel, usually not
Original Medicare covers almost no care outside the U.S. Some Medigap plans add limited foreign travel emergency coverage.
Doctors & care · No-cost preventive
What costs nothing
Medicare covers a broad set of preventive services at no cost. No deductible, no copay. Most people skip these because they assume there will be a charge.
Annual Wellness Visit
Once per year. Not the same as a physical. Billing it as one generates a charge. Tell your doctor you are there for the Annual Wellness Visit.
Welcome to Medicare Visit
Once, only in your first twelve months of Part B. Schedule it before the window closes.
Cancer screenings
Mammograms, colorectal, cervical, lung CT (qualifying smokers), prostate. Frequency varies.
Cardiovascular screenings
Cholesterol, lipids, triglycerides every 5 years. Abdominal aortic aneurysm screening once for qualifying men.
Vaccines
Flu, COVID, pneumococcal, hepatitis B, RSV under Part B with no cost sharing. Shingrix under Part D, so use your drug card.
Denials & appeals · A service was denied
You have the right to appeal
A denial is not the end. Medicare and Advantage plans are required by law to tell you why and to give you a way to appeal. Most denials are reviewed within 30 to 60 days.
1
Find the denial notice and read why
Marked "Notice of Denial." Common reasons: lack of medical necessity, prior authorization not obtained, service not covered.
2
Note the appeal deadline
Typically 60 days from the date on the notice. Mark it on a calendar.
3
Ask your doctor for a letter of medical necessity
If the denial says "not medically necessary," your doctor's written explanation is the most powerful piece of an appeal.
4
Submit the appeal in writing, by the deadline
The notice tells you exactly where to send it. Keep copies of everything.
Free help with appeals
SHIP, your state's free Medicare counselor
SHIP counselors are trained specifically in appeals. They will read the denial with you, help write the appeal, and follow up.
If a denial is upheld, you can keep going. Most appeals are resolved at level one or two, but the system goes all the way to federal court.
Level 1, Reconsideration
Original Medicare: redetermination by the contractor that processed the claim. Advantage: reconsideration by your plan. 60 days to file.
Level 2, Independent reviewer
Original: Qualified Independent Contractor. Advantage: Independent Review Entity. Independent of your plan and Medicare.
Level 3, Administrative Law Judge
Federal hearing. Available when the dispute exceeds the annual minimum (currently $190). You can have representation.
Level 4, Medicare Appeals Council
Review by the Departmental Appeals Board within HHS.
Level 5, Federal District Court
Judicial review when the dispute exceeds a higher threshold (currently $1,900). Most appeals never reach this level.
Denials & appeals · Prior authorization
Why Advantage requires prior authorization
Original Medicare almost never requires prior authorization. Medicare Advantage uses it as a cost control tool, and it is one of the leading sources of denials.
What it is
Your plan must approve a service in writing before it is provided. Without that approval, the plan can deny the claim, even if the service was medically necessary.
When it usually applies
Specialist visits under Health Maintenance Organization (HMO) plans, hospital admissions, advanced imaging (magnetic resonance imaging, computed tomography, positron emission tomography), durable medical equipment (DME), certain procedures, and some prescription drugs.
How to avoid surprise denials
Before any non-routine service, ask: "Does my plan require prior authorization for this?" The provider's billing staff handles the request.
Read your Evidence of Coverage
The prior authorization rules are in there. Reading them prevents the most common Advantage denial.
Denials & appeals · Discharge timing
Hospital discharge fast appeal
If you are an inpatient and your plan says coverage is ending, you have the right to a fast appeal, sometimes within 24 hours.
Call before you are discharged
The hospital must give you a notice called "An Important Message from Medicare" with the phone number for the review organization. Call before discharge happens.
1
Find "An Important Message from Medicare"
The hospital is required to give you this notice during your stay. It includes the phone number for the Beneficiary and Family Centered Care Quality Improvement Organization (BFCC QIO), the body that handles fast appeals.
2
Call the BFCC QIO immediately
If you call before midnight on the day of planned discharge, the hospital cannot bill you for the extra days while the appeal is decided.
3
The decision typically comes within 24 hours
If the BFCC QIO agrees the discharge is too early, the hospital must continue care. If not, you can still pursue a regular appeal.
Denials & appeals · Suspected fraud
A service you never received
If your MSN shows a service or supply you never received, this is Medicare fraud. Reporting it protects your account and is free.
1
Call 1-800-MEDICARE
Report the service that was billed in your name but never received. Have the MSN in front of you for the claim number and date.
2
Or report online at medicare.gov
There is a fraud reporting form. Provide as much detail as you can , claim number, date, provider name, service description.
3
Do not pay the bill
If a provider bills you for a service that was never given, do not pay. The investigation may take time but reporting prevents continued fraud in your name.
Plan changes · Enrollment windows
When you can change plans
Medicare changes happen in specific windows. Outside those windows, you usually cannot make changes.
October 15 through December 7, Annual Enrollment Period (AEP)
The main window. Switch between Original Medicare and Medicare Advantage. Change Advantage plans. Change Part D plans. All changes effective January 1.
January 1 through March 31, Medicare Advantage Open Enrollment Period
Only for people already in Medicare Advantage. Switch to a different Advantage plan or return to Original Medicare. You cannot move from Original Medicare into Advantage in this window.
Year round, Special Enrollment Periods (SEP)
Certain life events open a window outside the standard ones. Moving out of a plan's service area, losing other coverage, or qualifying for Extra Help all trigger an SEP. Open the SEP topic for details.
Plan changes · Comparing correctly
How to compare plans
The medicare.gov Plan Finder is the only tool that prices plans against your specific medications. Used correctly, it shows your full annual cost under every option.
1
Gather your medication list
Every drug, dose, frequency. Include occasional medications. The list goes into the Plan Finder.
2
Go to medicare.gov/plan-compare
Enter your zip code. Add your full medication list. The tool prices every Part D plan in your area against your real prescriptions.
3
Sort by total annual cost, not by monthly premium
A plan with a $10 premium and high copays often costs more than one with $45 premium and lower copays. Total annual cost is what matters.
4
Switch directly through the Plan Finder
Between October 15 and December 7. Coverage starts January 1.
Plan changes · Returning to Original
Switching back to Original Medicare
Switching the plan itself is straightforward. The complication is Medigap.
The Medigap underwriting catch
When you return to Original Medicare, insurers in most states can review your health history and decline your Medigap application or charge higher premiums. The 65 guaranteed-issue right does not return automatically.
Switch the plan
Done during the Annual Enrollment Period or the Advantage Open Enrollment Period at medicare.gov or 1-800-MEDICARE.
Apply for Medigap separately
Insurers can underwrite, meaning they review your health history. If accepted, premiums may be higher than at age 65.
Special exceptions exist
If your Advantage plan involuntarily leaves your service area, goes bankrupt, or disenrolls you, you gain a guaranteed-issue right to certain Medigap plans. A SHIP counselor can evaluate.
Plan changes · The September letter
Annual Notice of Change
By September 30 each year, your Medicare Advantage or Part D plan must mail you the Annual Notice of Change (ANOC). It lists every change to your plan for the coming year. Most people set it aside, which is why plan changes surprise them in January.
What it includes
Premium changes, deductible changes, network changes, drug formulary changes, benefit changes. Everything that will be different next year.
When to act
Read it before October 15. If something significant changed, like a doctor leaving the network or a drug moving tiers, use the Annual Enrollment window to switch.
If you do nothing
Your enrollment continues into the new plan year with the new terms. This is how people get surprised in January.
Plan changes · Life events
Special Enrollment Periods
Certain life events open an enrollment window outside the standard periods. If something major changes, ask whether an SEP applies before the window closes.
Moving out of your plan's service area
Triggers a 2-3 month window to choose a new plan in your new area.
Losing other coverage
If employer coverage ends, you get a 63-day window to enroll without late penalties.
Qualifying for Extra Help or Medicaid
You can change Advantage or Part D plans once per calendar quarter (first three quarters).
Plan terminates or violates contract
If your plan loses its Medicare contract, you get a special window with guaranteed-issue Medigap protection.
Help · Talk to someone
There are real people who help, free
You do not have to figure Medicare out alone. Every state has trained, unbiased counselors. They sell nothing. They have no commission. The call is free and the help is free.
First call, Medicare counseling
State Health Insurance Assistance Program (SHIP)
Trained counselors who specialize in Medicare. Bills, denials, plan choices, appeals.
Crossover questions that do not fit neatly under one topic. Tap any question to see the answer.
Original Medicare leaves you on the hook for 20% of most outpatient costs with no annual cap. A single hospitalization or chronic condition can produce tens of thousands in 20% shares.
Medigap fills that gap. Most people who choose Original Medicare also enroll in a Medigap plan during their 6-month guaranteed-issue window starting at age 65, when insurers cannot ask about your health. After that window closes, insurers in most states can decline you or charge much more.
If you choose Medicare Advantage instead of Original Medicare, you cannot have a Medigap plan. Advantage plans have their own annual out-of-pocket cap built in.
This is a personal decision with real consequences. The honest answer is that each path has trade-offs.
Original Medicare with Medigap usually means higher monthly cost (Part B + Medigap + Part D premiums) but very predictable and broad provider access nationwide with no networks or referrals.
Medicare Advantage usually means lower or zero monthly premium with extra benefits (sometimes dental, vision, hearing, gym), but with networks, prior authorization rules, and potentially higher cost when you actually use a lot of care.
Switching from Advantage back to Original later may not include guaranteed-issue Medigap, so the timing of your initial decision matters. A free SHIP counselor can walk through your specific situation. shiphelp.org
Medicare is the federal health insurance program for people 65 and older and certain people with disabilities. Eligibility is based on age and work history, not income.
Medicaid is a joint federal and state program that helps with medical costs for people with limited income and resources. Eligibility varies by state.
Some people qualify for both, called dual eligibility. Medicare pays first, Medicaid pays second. Dual-eligibles often qualify for additional help with Part D drug costs (Extra Help).
It depends on your employer and your situation. If your employer has 20 or more employees and you are still actively employed, you can usually delay Part B without a late penalty by relying on your employer plan. When the employer coverage ends, you have an 8-month Special Enrollment Period to enroll in Part B.
If your employer has fewer than 20 employees, Medicare typically becomes your primary coverage at 65, and you should enroll on time.
Important HSA note: If you are enrolled in any part of Medicare (including Part A only), you cannot continue contributing to a Health Savings Account. Many people miss this and face tax penalties.
Yes, and millions of people who qualify do not realize it.
Medicare Savings Programs (MSPs) help pay your Part B premium and possibly your deductibles and coinsurance. Run by your state Medicaid agency.
Extra Help (Low Income Subsidy) reduces or eliminates your Part D drug costs. Apply at ssa.gov.
Income limits for both vary by state and program tier. A SHIP counselor can screen you for free at 877-839-2675.
Yes. You can authorize someone (a family member, caregiver, friend) to act on your behalf with Medicare in two ways.
Authorized Representative: You can give Medicare written permission for someone to receive your personal information and act on your behalf. Form CMS-10106 (Authorization to Disclose Personal Health Information).
Power of Attorney: A legal document, typically prepared with an attorney, that gives broader decision-making authority. Required for certain financial matters.
You can also call 1-800-MEDICARE together with the person you want authorized, and Medicare can add them to your account verbally with proper verification.
Within the U.S. (Original Medicare): Covered anywhere a doctor accepts Medicare.
Within the U.S. (Medicare Advantage): Emergency care is covered nationwide. Non-emergency care outside your plan's service area may not be covered.
Outside the U.S.: Original Medicare covers almost no care. A few exceptions exist (some Canadian and Mexican border situations, some shipboard care). Medigap plans C, D, F, G, M, and N include limited foreign travel emergency coverage.
If you travel internationally often, consider travel medical insurance for each trip.
Original Medicare works the same in every state. No action needed for the Medicare part of your coverage. Update your address with Social Security.
Medigap plans are sold by state-licensed insurers but most plans work nationwide. You may want to compare premiums in your new state.
Medicare Advantage and Part D are tied to your service area. Moving triggers a Special Enrollment Period (typically 2 to 3 months) to choose a new plan. Without action, your old plan may end coverage.
Yes. The most common Medicare scams in 2026:
Fake calls offering free equipment (back braces, knee braces, genetic testing kits) in exchange for your Medicare number. Hang up. Medicare does not call to offer equipment.
Fake "new Medicare card" calls. Your Medicare card is mailed automatically. Anyone calling to verify or replace it is suspicious.
Pressure to switch plans outside enrollment periods. Legitimate brokers do not pressure. If something feels off, hang up and call SHIP.
Report suspected fraud to 1-800-MEDICARE or your state's Senior Medicare Patrol (smpresource.org).
Part D out-of-pocket cap rises to $2,100 (up from $2,000 in 2025). Once you hit it, you pay $0 for the rest of the year.
Part B premium is $202.90 a month (up from $185 in 2025). Part B deductible is $283.
Part A hospital deductible is $1,736 per benefit period (up from $1,676).
Medicare Advantage out-of-pocket maximum decreased slightly to $9,250 for in-network services (down from $9,350). First decrease in years.
Medicare drug price negotiations. Negotiated prices take effect for 10 specific high-cost drugs covered under Part D.
Some pandemic-era telehealth flexibilities are subject to ongoing legislative review. Check medicare.gov/coverage/telehealth for current rules.
Data sources & methodology
Federal Medicare data
Centers for Medicare & Medicaid Services (cms.gov · medicare.gov) · Social Security Administration (ssa.gov) · 42 CFR Parts 405, 410, 422, 423 · CMS Medicare Benefit Policy Manual · CMS Medicare and You 2026 Handbook.
2026 figures
Premiums, deductibles, coinsurance, and out-of-pocket caps released November 14, 2025 in CMS Final Rules. Income thresholds for IRMAA from SSA. Part D figures from the Inflation Reduction Act program instructions.
Free, unbiased help: State Health Insurance Assistance Program (shiphelp.org · 877-839-2675) · Eldercare Locator (eldercare.acl.gov · 800-677-1116) · Medicare directly (medicare.gov · 1-800-MEDICARE).
