Medicare Part D Opioid Prescription Rates by State County and ZIP Code

Delivering geographic comparisons of the number and percentage of Medicare Part D opioid prescriptions. It is derived from 100% final-action Part D prescription drug claims for Medicare beneficiaries. The data is aggregated at the state, county, and ZIP code levels.

Use Cases

• Analyze the geographic distribution of opioid prescription rates across ZIP code levels to identify high-prescribing areas.
• Compare the number of opioid prescriptions at the county level against state-level averages to assess regional prescribing patterns.
• Map the percentage of opioid prescriptions at different geographic levels to visualize public health trends in Medicare Part D.

Strengths

• Data is based on 100% final-action Part D prescription drug claims from CMS administrative data.
• Provides geographic comparisons at three distinct levels: state, county, and ZIP code.
• Source is the authoritative CMS Chronic Condition Data Warehouse for Medicare beneficiaries.

Limitations

• The specific number of rows, columns, and file size are unknown, limiting assessment of dataset scale.
• Data is limited to Medicare Part D enrollees and does not represent the entire population's opioid prescriptions.
• The raw description does not specify the exact time period covered by the claims data.

Provenance

Source

United States Department of Health and Human Services. Centers for Medicare and Medicaid Services

Collection Method

Summarized from 100% final-action Part D prescription drug claims from the CMS Chronic Condition Data Warehouse.

Freshness

The metadata was last updated on 2026-02-23.

Geography

United States, at state, county, and ZIP code levels.