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Explaining the association between surgeon supply and utilization.

J J Escarce1

  • 1Department of Medicine, University of Pennsylvania, Philadelphia.

Inquiry : a Journal of Medical Care Organization, Provision and Financing
|January 1, 1992
PubMed
Summary
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Higher surgeon supply boosts initial patient visits but not the intensity of care. This suggests improved access rather than physician-induced demand, impacting healthcare resource allocation.

Area of Science:

  • Health Services Research
  • Medical Economics
  • Surgical Specialties

Background:

  • Understanding the relationship between healthcare provider supply and service utilization is crucial for policy and resource allocation.
  • Physician-induced demand is a debated concept where provider numbers may influence patient demand for services.

Purpose of the Study:

  • To investigate how the supply of surgeons influences the demand for their services across various specialties.
  • To differentiate between initial patient contact demand and ongoing care demand in relation to surgeon availability.

Main Methods:

  • Utilized Medicare enrollment and physician claims data for analysis.
  • Examined four surgical specialties: ophthalmology, general surgery, orthopedic surgery, and urology.
  • Differentiated between first-occurrence demand and intensity-of-care demand.

Related Experiment Videos

Main Results:

  • Increased surgeon supply was associated with higher demand for initial consultations (first-occurrences).
  • Surgeon supply did not significantly impact the intensity of care demanded by existing patients.
  • Findings suggest improved access or referral preferences, not physician-induced demand, drive utilization increases.

Conclusions:

  • Higher surgeon supply enhances patient access to initial surgical consultations.
  • The study provides limited evidence for physician-induced demand as a primary driver of increased utilization when surgeon supply is high.
  • Implications for healthcare policy regarding surgeon workforce planning and service delivery models.