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Breo is a brand of fluticasone / vilanterol. What agents check before quoting it: how many 2026 Part D plans cover it, on which tier, with what restrictions and copays, by plan type, carrier and state.
In 2026, 5,364 of 5,496 Medicare Part D and Medicare Advantage drug plans (97.6%) list Breo on their formulary, across 321 of 328 formularies. The most common placement is tier 3 (5,146 plans, 95.9% of those covering it). 0 of the covering plans require prior authorization (0%), 0 step therapy and 5,267 a quantity limit. Generic fluticasone / vilanterol is on 5,373 of 5,496 plans (97.8%).
1,565 covering plans charge a flat copay for a 30-day supply at a preferred retail pharmacy after the deductible — median $47, 105 of them $0; 3,799 charge coinsurance instead — median 24% of the drug's cost. Once a member's out-of-pocket drug spending reaches $2,100 in 2026, covered drugs cost $0 for the rest of the year.
Breo has a Medicare negotiated price (maximum fair price) of $67 for a 30-day supply, which takes effect in 2027. The negotiated price lowers what the plan pays; the member's copay or coinsurance still follows the plan's tier.
2025: 5,507 of 5,631 plans covered it (97.8%); 2026: 5,364 of 5,496 (97.6%).
Of 4,368 plans offered in both years, 18 added it to the formulary and 1 dropped it.
Among plans covering it both years, 109 moved it to a higher tier and 11 to a lower one; 0 added prior authorization and 0 removed it.
Medicare Part D paid for 3,504,827 30-day fills of Breo in 2024 for about 595,847 enrollees, at an average total cost of $387.51 per 30-day fill (CMS Part D Prescribers by Geography and Drug, national).
Price Breo and the rest of a client's list on every plan in their county.
Estimate Breo costs by plan
Free tools for licensed insurance agents. Data from CMS public files; verify with plan documents before advising a client.
Counts are over every Medicare Advantage drug plan and stand-alone Part D plan in the CMS monthly formulary files, excluding employer plans. A plan counts as covering a drug when any strength or form of it is on the plan’s formulary; the tier, prior authorization, step therapy and quantity limit shown are the most favorable version on that formulary. Copays are for a 30-day supply at a preferred retail pharmacy after the deductible. This is a reference for licensed agents, not a plan recommendation; verify with the plan’s formulary before advising a client. Source: CMS Part D formulary files (release 09/16/2026). CMS formulary data.