Counting physicians: inconsistencies in a commonly used source for workforce analysis

Gary L Freed1, Tammie A Nahra, John R C Wheeler

  • 1Division of General Pediatrics, University of Michigan, 300 N. Ingalls Building 6E08, Ann Arbor, MI 48109-0456, USA. gfreed@med.umich.edu

Insights

The AMA Masterfile inaccurately lists pediatric cardiologists, with many physicians lacking required training. This data discrepancy can lead to flawed healthcare policy decisions.

Area of Science:

  • Cardiology
  • Medical Education
  • Health Policy

Background:

  • The accuracy of physician databases is crucial for healthcare planning and resource allocation.
  • The American Medical Association (AMA) Masterfile is a widely used physician directory.
  • Verification of specialist credentials, such as pediatric cardiology training, is essential.

Purpose of the Study:

  • To evaluate the accuracy of the AMA Masterfile in identifying qualified pediatric cardiologists.
  • To compare the AMA Masterfile's physician data with records from the American Board of Pediatrics (ABP).

Main Methods:

  • A comparison was made between the AMA Masterfile and the ABP's roster of trained pediatric cardiologists.
  • Physicians on the AMA Masterfile without ABP verification underwent a mail survey.
  • Data collected included training details, practice focus, and procedures performed.

Main Results:

  • Only 58% of physicians were listed in both the AMA Masterfile and ABP records.
  • 28% of physicians were listed in the AMA Masterfile exclusively.
  • Of those exclusively on the AMA Masterfile, 40% reported providing no pediatric cardiology care, and training varied significantly among the rest.

Conclusions:

  • Significant discrepancies exist between the AMA Masterfile and ABP data regarding pediatric cardiologists.
  • A substantial number of physicians may be practicing pediatric cardiology with inadequate training.
  • Inaccurate physician data can result in ineffective or misaligned healthcare policies.
Abstract

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