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How are Medicare benefits changing for 2026?
Changes to 2025 Medicare coverage include a $2,000 cap on Part D out-of-pocket costs, small reductions in the average premium for Medicare Advantage and Part D plans, increases for Medicare Part B and Part A premiums and cost-sharing, and adjustments to income-related premium surcharges for Part B and Part D.
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What is the income-related monthly adjusted amount (IRMAA)?
For 2025, high-income beneficiaries – earning over $106,000 a year – pay an IRMAA surcharge that’s added to their Part B and Part D premiums and determined by income from their income tax returns two years prior.

What is the Medicare phone number and when should I use it?

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What is the Medicare phone number?

Medicare beneficiaries can call an easy-to-remember toll-free number – 1-800-MEDICARE – for information such as specific billing questions and questions about claims. (That’s 1-800-633-4227.)

When can I call Medicare for help?

The toll-free phone line is staffed 24 hours a day, seven days a week. Before you dial though, remember that almost all Medicare-related questions can be answered through easily accessible and authorized sources, including official web resources, health plan navigators, and consumer advocates. In most cases, the representatives at 1-800-MEDICARE only have access to the same information that’s available on Medicare.gov.

When should I call 1-800-MEDICARE?

Beneficiaries can call the toll-free Medicare number to:

  • ask whether certain services are covered,
  • get detailed information about Medicare health and prescription drug plans in your area, including costs and services,
  • choose and enroll in a Medicare health or prescription drug plan,
  • find a Medigap policy in the area,
  • request a list of Original Medicare physicians, healthcare providers, and suppliers,
  • request information and forms necessary for filing a Medicare appeal – or begin an appeal verbally,
  • authorize someone to speak with Medicare on your behalf,
  • compare quality ratings for skilled nursing facilities, hospitals, home health agencies, and dialysis facilities,
  • request Medicare publications.

The menu of options at 1-800-MEDICARE (1-800-633-4227)

Before you dial, be prepared with a list of the topics you want to talk about and questions you need answered. Make sure to have your Medicare ID number – and if you are inquiring about a claim or appeal, it’s helpful to have your most recent Medicare Summary Notice available.

The representatives at 1-800-Medicare (1-800-633-4227) can help you with claims and appeals issues if you have Original Medicare. You should contact your insurer directly about claims or billing issues if you have Medicare Advantage or Part D coverage, or if you need to check on claims that are being processed by your Medigap supplement. (You can also call 1-800-MEDICARE to file a complaint about your health insurance plan.) If you would like someone else to speak on your behalf or represent you in an appeal, you will need to give a verbal authorization to the Medicare agent.

When you call, the Medicare phone line will ask you to briefly state the reason for your call. You can do that, or you can ask for the main menu, which will give you the following options and route you to the appropriate agent based on the reason you’re calling:

How else can I contact Medicare?

You can mail your questions or hard copies of documents to:

Medicare Contact Center Operations
PO Box 1270
Lawrence, KS 66044

Or fax Medicare at 1-844-530-3676.

Medicare also has a live chat service that you can use to seek help or information in a text format online. This service is available 24/7.

Currently, Medicare does not offer an email option for general information and questions. But you can log into your Medicare account for additional online assistance.

To request information in an accessible format (Braille, large print, data/audio files, relay services and TTY communications) call 1-877-486-2048 or email Medicare at [email protected]. (This email fields requests for accessible format information only.)

What information can I find at Medicare.gov?

Medicare.gov contains a treasure trove of contact information and details about Medicare coverage. For contact information, visit the contact page of the website and enter your state or territory; then choose the organization or topic from a dropdown menu.

For complete “do-it-yourself” Medicare access, visit MyMedicare.gov, and set up your own account with a username and password. Your own MyMedicare.gov account will allow you to:  

Where else can I get Medicare advice?

State Health Insurance Assistance Programs (SHIPs) are free volunteer-based Medicare counseling services available in each state. These programs provide unbiased counseling about Medicare questions – including details about coverage, benefits, and costs (such as premiums, deductibles, and coinsurance). SHIPs can also assist beneficiaries with complaints or appeals. Importantly, SHIPs can also assist with coverage changes like choosing the right Medicare Advantage or Part D plan for your needs.

When should I call Social Security instead of 1-800-MEDICARE?

Although Social Security and Medicare are linked in many ways, the Social Security Administration manages enrollment and eligibility for Medicare benefits. These are the times when you should call Social Security (1-800-772-1213) instead of Medicare:

  • to verify your Medicare eligibility,
  • to report a death,
  • to request a replacement Medicare card,
  • to report address, name, or phone number changes,
  • to enroll in Medicare Part A and Part B,
  • to discuss Medicare Part B (or Part A) billing issues,
  • to apply for the Extra Help program for assistance with prescription drug costs,
  • to appeal an Income-Related Monthly Adjustment Amount (IRMAA) decision, if you are told you owe an income-based Part B and/or Part D premium.

When should I not call 1-800-MEDICARE?

Do not call 1-800-MEDICARE if you have specific questions about your Medicare Advantage (Part C) or Part D plan. Because these policies are administered by private insurers, you must contact your plan insurer directly (or your agent/broker). This includes questions on plan premiums, deductibles, claims status, and other issues that are plan-specific. (Medicare can sometimes assist with Medigap claims issues, though, if your Medigap plan is not receiving claims once they’ve been processed by Original Medicare.)

You can also call 1-800-MEDICARE for general Medicare questions not mentioned in this article.


Jesse Migneault is a journalist and editor who has written about business, government and healthcare – including public and private-payer health insurance. His articles have appeared in HealthPayerIntelligence, the Hartford Courant, Portsmouth Herald, Seacoastonline.com, Foster’s Daily Democrat, and York County Coast Star.

In addition, his work has been cited by health industry stakeholders such as the Eugene S. Farley Health Policy Center, Association of Healthcare Journalists, American Academy of Actuaries, Kaiser Permanente, blueEHR, San Diego Law Review, Medicare Agent News, healthjournalism.org, and Concierge Medicine among others.

Footnotes

  1. Costs” Medicare.gov. Accessed Nov. 8, 2024  
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