Medicare covers some weight loss services, but not weight loss programs themselves
Medicare Part B covers a one-time intensive behavioral therapy program for obesity if your doctor refers you and you have a body mass index (BMI) of 30 or higher. This is not a commercial weight loss program like Weight Watchers or Jenny Craig — it is counseling with a doctor, nurse practitioner, or physician assistant focused on changing eating and exercise habits. Medicare pays for up to 14 sessions in the first six months, then up to 14 more sessions in the next six months if your doctor says you are making progress. You pay 20 percent of the cost after you meet your Part B deductible.
Medicare does not pay for commercial weight loss programs, meal replacement plans, weight loss drugs (with rare exceptions), or gym memberships. Some Medicare Advantage plans (Part C) cover additional weight loss services beyond what Original Medicare covers, so you should check your plan documents or call your plan to see what is included.
Key Takeaways
- Original Medicare covers behavioral counseling for weight loss through a doctor, nurse practitioner, or physician assistant — up to 14 sessions in six months, then 14 more if you are making progress.
- You must have a BMI of 30 or higher and a doctor referral to use this benefit, and you pay 20 percent of the cost after your Part B deductible.
- Medicare does not cover commercial weight loss programs, meal plans, or gym memberships.
- Some Medicare Advantage plans cover weight loss services that Original Medicare does not, so check your plan's coverage details.
- Weight loss drugs are rarely covered by Medicare, and only in specific situations — ask your doctor whether your medication might be covered.
How the Medicare behavioral therapy benefit works
To use this benefit, you need a referral from your primary care doctor, cardiologist, or another doctor who treats you. The doctor must document that you have a BMI of 30 or higher and that weight loss would help your health. You then see a healthcare provider — a doctor, nurse practitioner, or physician assistant — for counseling sessions focused on diet, physical activity, and behavior change.
Sessions are usually 15 to 30 minutes long and happen in an office or, in some cases, by phone or video. Medicare covers up to 14 sessions in the first six months. If your doctor says you are making progress toward your weight loss goals, you can have up to 14 more sessions in the next six months. After that, coverage stops unless your doctor documents a new medical reason to continue.
You pay 20 percent of the Medicare-approved amount for each session after you have met your Part B deductible for the year. The provider's office can tell you what your out-of-pocket cost will be before your first visit.
What Medicare Advantage plans may cover instead
Medicare Advantage plans (Part C) are required to cover everything Original Medicare covers, including the behavioral therapy benefit. Many Advantage plans also add their own weight loss benefits on top of that — such as coverage for gym memberships, weight loss programs, or nutritionist visits. These extras vary widely by plan and by year.
To find out what your Advantage plan covers, call the customer service number on your insurance card or log into your plan's website and look for "weight loss" or "obesity management" in the benefits section. If you are thinking about switching plans during open enrollment, compare what each plan offers for weight loss services — this can be a real difference between plans.
Weight loss drugs and Medicare coverage
Most weight loss medications — including semaglutide (Ozempic, Wegovy), tirzepatide (Zepbound, Mounjaro), and phentermine — are not covered by Medicare Part B or Part D. Medicare Part D (prescription drug coverage) specifically excludes drugs used only for weight loss.
There are rare exceptions. If you take a medication that happens to help with weight loss as a side effect — for example, some diabetes medications — and you are taking it for that underlying condition, Part D may cover it. Ask your doctor and your pharmacy whether your specific medication is covered under your plan.
Some Medicare Advantage plans have added coverage for weight loss drugs in recent years, but this is still uncommon. If you take a weight loss medication, ask your Advantage plan directly whether it is covered under your prescription drug benefit.
What to ask your doctor before starting weight loss treatment
Before you begin any weight loss program or medication, talk with your doctor about what Medicare will and will not pay for. Ask these questions:
- Do I have a medical reason to lose weight, and will you refer me for the behavioral therapy benefit?
- Is there a weight loss medication that would help my health, and would Medicare cover it?
- Are there other weight loss services — like nutritionist visits or gym programs — that my Medicare Advantage plan covers?
- What should I expect to pay out of pocket for each type of service?
- How long does treatment usually take, and how do we measure whether it is working?
When to seek care or a second opinion
If your doctor has not mentioned weight loss as part of your care plan but you think it would help your health — especially if you have diabetes, heart disease, high blood pressure, or joint problems — bring it up at your next visit. Weight loss can improve many chronic conditions, and your doctor can tell you whether the Medicare behavioral therapy benefit is right for you.
If your doctor refuses to refer you for behavioral therapy and you believe weight loss would help your health, you can ask for a second opinion from another doctor. You can also contact your Medicare Advantage plan directly to ask whether they cover other weight loss services that your doctor has not mentioned.
Frequently Asked Questions
Does Medicare cover Weight Watchers or other commercial weight loss programs?
No. Medicare covers behavioral counseling with a healthcare provider, not commercial programs. However, some Medicare Advantage plans may offer discounts on Weight Watchers or similar programs as an added benefit — check your plan documents or call your plan to ask.
Can I use the behavioral therapy benefit more than once?
The benefit is designed as a one-time program: up to 14 sessions in the first six months, then up to 14 more in the next six months if you are making progress. After that, coverage ends. Your doctor would need to document a new medical reason — such as a new diagnosis — to restart the benefit.
What if I do not have a BMI of 30 but my doctor says I should lose weight?
The Medicare behavioral therapy benefit requires a BMI of 30 or higher. If your BMI is lower but your doctor still recommends weight loss, ask whether your Medicare Advantage plan covers other weight loss services. You can also pay out of pocket for nutritionist visits or other programs.
Does Medicare cover gym memberships or fitness classes?
Original Medicare does not cover gym memberships. Some Medicare Advantage plans include gym benefits or discounts through programs like SilverSneakers or Renew Active — check your plan documents to see if this is included in your coverage.
Will Medicare cover weight loss surgery?
Medicare covers bariatric surgery (weight loss surgery) if you meet specific medical criteria, including a BMI of 35 or higher, or a BMI of 30 to 34.9 with an obesity-related health condition. Your doctor must refer you, and Medicare requires documentation that you have tried other weight loss methods first. Coverage rules vary, so ask your doctor whether you meet the criteria.