Cost Transparency
Latest Releases
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Prescription Drugs Introduced to Market
View reported information on specified prescription drugs introduced to market from Q1 2019 to Q4 2025.
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Wholesale Acquisition Cost (WAC) Increase Report Data – Cumulative
The interactive reports include submitted WAC increase data from quarter 1 (Q1) 2019 through quarter 4 (Q4) 2025.
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Wholesale Acquisition Cost (WAC) Increase Report Data – Current Year
Interactive reports showing Median Cumulative WAC Percent Increase by WAC Price Category, Drug Source Type, or both.
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Inpatient Hospital Costs by Region
This report presents cost and utilization information for acute hospital inpatient stays by region and type of stay (defined by...
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Healthcare Payments Data (HPD) Program Quarterly Newsletter June 2026
Read the Healthcare Payments Data Program Quarterly Newsletter for June 2026
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Financial Health of California Hospitals
The California Hospitals Financial Health visualization provides timely, transparent information on the financial status of California hospitals.
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Data Brief: Insulin and Metformin Geographic Access and Mail‑Order Use
A county‑level California map illustrating distance traveled and the percentage of mail‑order use for insulin and metformin.
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Healthcare Payments Data (HPD) Program Quarterly Newsletter March 2026
Read the Healthcare Payments Data Program Quarterly Newsletter for March 2026
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Data Brief: Payment Arrangements in California’s Commercial and Medicare Advantage Markets
A visualization on the CA commercial and Medicare Advantage markets and on three categories of medical services: inpatient facility, outpatient...
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Healthcare Payments Data (HPD) Program Quarterly Newsletter December 2025
Program Updates# Save The Date! – HPD Program Updates Webinar# The HPD Program will host a webinar to demonstrate the...