Medicare's Coverage of Semaglutide Depends on Your Plan and Why You're Taking It

Medicare covers semaglutide, but not in the same way for everyone. Whether your plan pays for it depends on three things: which Medicare plan you have, whether you're taking it for type 2 diabetes or weight loss, and which pharmacy you use. Original Medicare (Parts A and B) does not cover semaglutide for weight loss alone. Medicare Advantage plans and Part D prescription drug plans may cover it for diabetes, and some Advantage plans cover it for weight loss — but the rules vary widely by plan and by year.

The drug itself comes in two brand names: Ozempic and Mounjaro are used for diabetes, while Wegovy is the same medication sold specifically for weight loss. Medicare's distinction between these uses matters. If your doctor prescribes semaglutide for type 2 diabetes, you have a better chance of coverage. If it's for weight loss without diabetes, coverage is much less common and depends entirely on your specific plan.

Key Takeaways

  • Original Medicare (Parts A and B) covers semaglutide for type 2 diabetes through Part D prescription drug plans, but not for weight loss alone.
  • Medicare Advantage plans vary in what they cover — some include semaglutide for diabetes, some for weight loss, and some for neither, so you must check your plan documents.
  • Your out-of-pocket cost depends on your plan's formulary (the list of covered drugs), your deductible, and whether you've met your yearly maximum.
  • If your plan doesn't cover semaglutide, you can switch to a different plan during the annual enrollment period (October 15 to December 7) or ask your doctor about other diabetes or weight-loss medications your plan does cover.

How Original Medicare and Part D Plans Handle Semaglutide

If you have Original Medicare (Parts A and B), the prescription drug coverage comes through a separate Part D plan you choose yourself. Each Part D plan maintains its own formulary — the official list of drugs it will pay for. Some Part D plans include semaglutide for type 2 diabetes; others do not. You need to check your specific plan's formulary to know whether semaglutide is on it.

When semaglutide is covered by your Part D plan, you typically pay a copay or coinsurance amount after you meet your yearly deductible. The exact amount varies by plan. Some plans place semaglutide in a higher cost tier, meaning you pay more out of pocket. Once you reach the coverage gap (the "donut hole"), your costs change again. After you spend enough out of pocket to reach catastrophic coverage, Medicare pays most of the cost for the rest of the year.

Part D plans change their formularies every year. A drug covered in 2024 may not be covered in 2025, or the cost tier may shift. You should review your plan's formulary each October during the annual enrollment period to see if coverage has changed.

Medicare Advantage Plans and Semaglutide Coverage

Medicare Advantage (Part C) plans are an alternative to Original Medicare. These plans are run by private insurance companies and must cover everything Original Medicare covers, but they can add extra benefits and set their own rules about which drugs they pay for. Some Advantage plans cover semaglutide for type 2 diabetes. A smaller number also cover it for weight loss. Many Advantage plans cover neither.

Because Advantage plans set their own formularies, you cannot assume your current plan covers semaglutide just because another Advantage plan does. You must check your plan's drug list directly. Most insurance companies post their formularies online, or you can call the plan's customer service number (on the back of your insurance card) and ask whether semaglutide is covered and at what cost tier.

Advantage plans also often require prior authorization before the pharmacy can fill a semaglutide prescription. This means your doctor must submit a request to the plan first, explaining why you need the medication. The plan then approves or denies the request. This process usually takes a few business days but can take longer if the plan asks for more information from your doctor.

What to Do If Your Plan Doesn't Cover Semaglutide

If your current plan doesn't cover semaglutide, you have several options. The first is to switch plans during the annual enrollment period, which runs from October 15 to December 7 each year. During this window, you can change to a different Part D plan (if you have Original Medicare) or a different Advantage plan. You can search for plans that do cover semaglutide using Medicare's Plan Finder tool at Medicare.gov, or by calling 1-800-MEDICARE.

Before you switch plans, compare the total cost. A plan that covers semaglutide might have a higher monthly premium or higher deductible than your current plan. You may end up paying more overall even though the drug itself is covered. Use the Plan Finder to see the estimated yearly cost for your medications under each plan option.

If you cannot wait until the next enrollment period — for example, if you were just diagnosed with type 2 diabetes — you may be able to make a plan change outside the annual window if you may have access to for a Special Enrollment Period. may have access to events include losing employer coverage, moving to a new state, or becoming newly may be able to access for Medicare. Call 1-800-MEDICARE to ask whether your situation qualifies.

Cost information and Patient Support Programs

If semaglutide is expensive even with your Medicare coverage, several programs may help reduce the cost. The manufacturer Novo Nordisk runs a patient information program that can lower your copay to as little as $0 per month if you meet income requirements. You can learn about this program by visiting the Novo Nordisk website or asking your doctor's office to help you enroll.

Some state pharmaceutical information programs also help Medicare beneficiaries pay for medications. These programs vary by state and by income level. You can search for programs in your state through the National Council on Aging's BenefitsCheckUp tool at benefitscheckup.org, or by calling your State Health Insurance information Program (SHIP). SHIP is free and can help you understand your coverage options and find cost-saving programs.

How to Find Out What Your Specific Plan Covers

The only way to know for certain whether your plan covers semaglutide is to check your plan's formulary or call your plan directly. Do not rely on what a friend's plan covers or what you read online about "Medicare" in general — plans differ widely.

If you have Original Medicare with a Part D plan, log into your plan's website or call the customer service number on your insurance card. Ask whether semaglutide (by brand name: Ozempic, Mounjaro, or Wegovy, depending on your prescription) is on the formulary, what tier it's in, and what your copay or coinsurance will be. Ask also whether prior authorization is required.

If you have a Medicare Advantage plan, the process is the same: check the plan's website or call customer service. Ask the same questions about coverage, cost tier, and prior authorization. If the plan representative is unsure, ask them to check with the pharmacy benefit manager (the company that handles drug coverage for the plan) and call you back with an answer.

Other Diabetes and Weight-Loss Medications Medicare May Cover

If your plan doesn't cover semaglutide, other medications in the same drug class may be covered instead. GLP-1 receptor agonists include dulaglutide (Trulicity) and tirzepatide (Zepbound for weight loss, Mounjaro for diabetes). These work similarly to semaglutide and are covered by many Medicare plans. Your doctor can discuss whether one of these alternatives might work for you.

For type 2 diabetes specifically, Medicare plans typically cover a wide range of older medications — metformin, sulfonylureas, SGLT2 inhibitors, and DPP-4 inhibitors — that are much less expensive than newer GLP-1 drugs. If cost is the main barrier, your doctor may recommend starting with one of these options while you explore whether a plan change could make semaglutide more affordable.

Frequently Asked Questions

Does Medicare cover Wegovy for weight loss?

Original Medicare (Parts A and B) does not cover Wegovy. Some Medicare Advantage plans do, but coverage varies by plan and is less common than coverage for semaglutide used to treat diabetes. Check your specific plan's formulary to find out.

Will my Medicare plan cover semaglutide if my doctor says I need it?

Your doctor's recommendation helps, but it does not may provide coverage. Medicare plans decide which drugs to cover based on their own formularies, not on individual doctor requests. However, if your plan requires prior authorization, your doctor's medical justification is what the plan uses to decide whether to approve the prescription.

What if I switch Medicare plans — can I do it anytime?

You can switch plans during the annual enrollment period (October 15 to December 7) without any restrictions. Outside this window, you can only switch if you may have access to for a Special Enrollment Period, such as losing employer coverage or moving to a new state. Call 1-800-MEDICARE to ask whether your situation qualifies.

How much will semaglutide cost me if my plan covers it?

The cost depends on your plan's cost tier for semaglutide, your yearly deductible, and how much you've already spent on prescriptions that year. Costs can range from a small copay to several hundred dollars per month. Use Medicare's Plan Finder tool to see estimated costs under different plans before you enroll.

Can I get semaglutide without Medicare coverage?

Yes. You can pay out of pocket, or you may may have access to for the manufacturer's patient information program, which can reduce your copay significantly based on income. Ask your doctor's office or call Novo Nordisk directly to learn about this program.