Data Sources | InsureWith.ai

Data Sources

• FDA OpenFDA: Drug identity, NDC codes, approval status
• NIH RxNorm: Canonical drug identifiers and relationships
• CMS NADAC: National Average Drug Acquisition Cost (weekly updates)
• CMS Part D Spending: Claims volume, beneficiary counts, total spending
• CMS Medicare Plan Finder: Part D formulary tier placement and restrictions
• FormularyNavigator: ACA Marketplace formulary feeds by state
• Humana FHIR API: Commercial formulary data via FHIR standard

How We Use Data

We aggregate and normalize data from multiple sources to provide a unified view of drug coverage. Source attribution and freshness dates are shown alongside all data.