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Home › Medications › Interferon beta-1a (Avonex) › Tier 4 plans

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Medications

Interferon beta-1a (Avonex) — plans on this site that list it on Tier 4

9 plans published on this site list this drug on Tier 4, grouped by company. Plans are sold by county — the service area under each plan shows where it is offered.

AHF

1 plan on this site

Leon Health, Inc.

4 plans on this site

Sentara Medicare

2 plans on this site

VNS Health Medicare

2 plans on this site

A tier is not a price; what you pay depends on your plan, pharmacy, and benefit stage.

Source: CMS Prescription Drug Plan Formulary data + this site's published plan records · List built 2026-11-08

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