Does SilverScript Cover Zepbound? Medicare Advantage Coverage Guide 2026
Seniors on Medicare Advantage through SilverScript Part D (administered by CVS Health/Aetna) commonly wonder whether SilverScript covers Zepbound (tirzepatide). Here’s the overview: coverage is determined by your plan’s formulary tier, Part D structure, and medical indication.
SilverScript’s Formulary Position on Zepbound
SilverScript Part D operates with a prescription drug list that classifies medications based on coverage level. Currently, Zepbound is typically listed at Tier 4 (Non-preferred specialty) on most SilverScript plan options.
Cost implications:
- Out-of-pocket cost: $100–$300+ based on coverage phase
- Prior authorization: Required — a PA request is needed
- Quantity limits: May apply — limited to FDA-recommended dosing
- Step therapy: Might need trying metformin, insulin, or other treatments first
The Medicare Part D coverage gap (donut hole), you’ll owe a larger share until reaching the catastrophic threshold.
Coverage for Different Indications
For chronic weight management (FDA-approved):
- SilverScript is more likely to cover Zepbound when prescribed for its FDA-approved indication
- Documentation needed: clinical records showing medical necessity
- Success is more likely for the FDA-approved indication
For weight loss (for chronic weight management):
- Traditional Medicare does not cover anti-obesity medications under Part D
- That said: the Inflation Reduction Act may have changed what Medicare Advantage plans can cover for GLP-1s prescribed for obesity
- SilverScript could provide enhanced coverage that cover weight management medications — check your Evidence of Coverage document
How Much Does Zepbound Cost With SilverScript
Calculating your out-of-pocket cost for Zepbound on SilverScript involves where you are in the benefit structure.
| Coverage Phase | Estimated Cost |
|---|---|
| Initial Deductible ($590 in 2026) | You pay everything: $1,060–$1,200/month |
| Initial Coverage | Tier 4/5 copay |
| Coverage Gap (Donut Hole) | Significant coinsurance |
| Catastrophic Coverage | $0 or small copay |
Starting in 2025, total OOP costs won’t exceed $2,000 — a major benefit for anyone taking Zepbound.
How to Maximize Coverage
- Request a formulary exception — If tier placement is too high, your doctor can file for a coverage exception with medical necessity evidence
- Apply for patient assistance — Eli Lilly runs savings programs for qualifying patients (eligibility varies)
- Switch plans if needed — Annual Enrollment Period (Oct 15–Dec 7) allows find a better-tier placement
- Check Low-Income Subsidy eligibility — Low-income beneficiaries can get LIS benefits that slash drug costs