Cost Transparency
Latest Releases
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Healthcare Payments Data (HPD) Program Quarterly Newsletter September 2025HCAI produces various data products and analytic reports using HPD data to support the goals of the program. HCAI anticipates...
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Data Brief: Behavioral Health Spending in California’s Commercial MarketA visualization looking into California's statewide spending on behavioral health services from 2018 through 2023.
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Prescription Drugs Introduced to MarketView reported information on specified prescription drugs introduced to market from Q1 2019 to Q4 2024.
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Wholesale Acquisition Cost (WAC) Increase Report Data – CumulativeThe interactive reports include submitted WAC increase data from quarter 1 (Q1) 2019 through quarter 4 (Q4) 2024.
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Wholesale Acquisition Cost (WAC) Increase Report Data – Current YearInteractive reports showing Median Cumulative WAC Percent Increase by WAC Price Category, Drug Source Type, or both.
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Healthcare Payments Data Program: Voluntary Submitters
Healthcare Payments Data (HPD) Program Overview# The HPD is California’s all payer claims database (APCD), a resource that compiles data...
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Health Care Payments Data (HPD) Frequently Asked Questions
General Information# 1. What data does the HPD System collect? The HPD System currently collects administrative data, including claims and...
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Health Care Payments Data (HPD) Resources
Data Submission# Data Submitter Training Materials# Laws & Regulations# Legislative Reports & Recommendations# Informational# Contact# Contact HPD at hpd@hcai.ca.gov with...
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Healthcare Payments Data (HPD) Measures: Health Conditions, Utilization, and DemographicsVisualizations that allow users to explore the care and characteristics of Californians within the HCAI Healthcare Payments Database (HPD).
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Data Brief: Payment Arrangements in California’s Commercial and Medicare Advantage Markets in 2023The Healthcare Payments Data System provides a comprehensive picture of payment arrangements currently in use in California’s market.