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Health insurance companies in Oregon are required through the rate review process to provide information on the top 25 drugs for various categories: most frequently prescribed, most costly, and those causing the greatest increase in plan spending.

Also, health insurance companies are required to report on the effect of prescription drug costs on premiums, including any effect that rebates or price concessions may have on premiums. The lists submitted by the health insurance companies used the template provided below. The information reported to the program was used to compile the aggregate prescription drugs lists below.

Insurer report data

The program received reports from those health insurance companies that participate in Oregon's annual rate review process, usually nine or 10 companies. Check the program's annual legislative report for details about the data collected from these insurance companies.

Prescription drug lists

2022 Insurer prescription drug list
PDF Excel 

2021 Insurer prescription drug list
PDF | Excel 

2020 Insurer prescription drug list
PDF | Excel 

2019 Insurer prescription drug list
PDF | Excel 

Reporting templates