Does Medicare cover Zepbound?
Whether Medicare covers Zepbound depends on why and how: a temporary Medicare GLP-1 Bridge program (starting July 1, 2026) covers the Zepbound KwikPen for weight loss at a $50 monthly copay if you qualify, and a Part D plan can separately cover Zepbound for an approved medical indication like obstructive sleep apnea.
What flips the answer
- Covered when
You qualify for the temporary Medicare GLP-1 Bridge program (Part D enrollee, 18+, meets the BMI/condition rules) — the Zepbound KwikPen is covered for weight loss at a $50 monthly copay with prior authorization.
- Covered when
It's prescribed for a covered medical indication (e.g., obstructive sleep apnea) and is on your Part D plan's formulary, usually with prior authorization.
- Not covered when
You don't meet the Bridge program's eligibility, it's for weight loss alone, and your Part D plan doesn't otherwise list Zepbound — you'd pay cash or request an exception.
Zepbound (tirzepatide) is a GLP-1/GIP medication. Standard Medicare Part D drug plans have generally excluded drugs used for weight loss, so a prescription written purely for obesity historically wasn't a covered Part D benefit.
That changed for eligible people on July 1, 2026. Under the temporary, nationwide Medicare GLP-1 Bridge program, Medicare covers certain GLP-1 drugs for weight loss at a $50 monthly copay — and the covered list includes the Zepbound KwikPen (single-dose Zepbound vials and pens aren't covered). You must have Part D, be 18 or older, and meet BMI-based eligibility (BMI of 35+, or 30–34.99 or 27–29.99 with a qualifying condition), with prior authorization and a diet-and-exercise program.
There's also a separate medical path. Zepbound is FDA-approved to treat moderate-to-severe obstructive sleep apnea in adults with obesity. If you have OSA (or type 2 diabetes), you generally aren't in the Bridge program — instead your own Part D plan may cover Zepbound for that indication, subject to its formulary, prior authorization, and tier.
Original Medicare (Parts A and B) doesn't cover self-administered drugs like this, so any coverage runs through a Part D plan or the Bridge program. Whether your plan lists Zepbound, and at what cost, varies plan to plan.
That's the general answer. Yours is written in your actual policy.
Drop in your policy or benefits document and get the answer for your exact coverage — with the clause it comes from. Nothing is stored.
Check my policy →