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Summary
This summary is machine-generated.

A new public database tracks U.S. healthcare providers from 1999-2025, integrating data from multiple sources. This resource aids in studying trends in provider supply and physician integration across the United States.

Keywords:
MD-PPASMedicare Carrier filesNPI-UPIN crosswalkPECOSprovider database

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Area of Science:

  • Health Informatics
  • Healthcare Administration
  • Public Health Data

Background:

  • Accurate tracking of healthcare providers is essential for understanding healthcare system dynamics.
  • Existing data sources are fragmented, hindering comprehensive analysis of provider trends.
  • The transition from Unique Physician Identification Number (UPIN) to National Provider Identifier (NPI) required robust data linkage.

Purpose of the Study:

  • To develop a comprehensive, public database of U.S. individual healthcare providers.
  • To facilitate research on trends in provider supply, geographic distribution, and physician integration.
  • To provide a longitudinal dataset covering the period from 1999 to 2025.

Main Methods:

  • Combined data from multiple federal and public sources including NPPES, ResDAC UPIN Directory, Medicare Carrier files, PECOS, MD-PPAS, and DEA.
  • Created 918,609 National Provider Identifier (NPI)-UPIN pairs to bridge the 2007 identifier switch.
  • Developed linked public and non-public datasets tracking provider demographics, location, and integration status over time.

Main Results:

  • The Provider Database encompasses 7 million U.S. healthcare providers, including 1.36 million physicians.
  • Successfully linked Unique Physician Identification Numbers (UPINs) with National Provider Identifiers (NPIs).
  • Established longitudinal tracking of provider zip codes and physician integration status.

Conclusions:

  • The developed Provider Database offers a valuable, comprehensive resource for healthcare research.
  • Enables detailed analysis of provider supply dynamics and physician integration trends.
  • Supports evidence-based policy and strategic planning in the U.S. healthcare sector.