The effect of primary care clinician type and care team characteristics on health care costs

Matthew E. Bernard, Michael P. Halasy, David R. Rushlow, Gerald J. Sobolik, Gregory M. Garrison, Marc R. Matthews, Summer V. Allen, Thomas D. Thacher

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: To evaluate health care costs as a function of assigned primary care clinician type and care team characteristics. Methods: Administrative data were collected for 68 family medicine clinicians (40 physicians and 28 nurse practitioners [NPs]/physician assistant [PAs]), on 11 care teams (variable MD, NP and PA on teams), caring for 77,141 patients. We performed a generalized linear mixed multivariable regression model of standardized per member per month (PMPM) median cost as the outcome, with four practice sites included as random effects. Results: In bivariate analysis, cost was higher in physicians than NP/PAs, in more complex patients, and associated with emergency department (ED) visit rate. On multivariate analysis, patient complexity, ED visit rate and higher patient experience ratings were independently associated with greater PMPM cost. More time in practice was associated with lower PMPM cost. In the adjusted multivariate model, physicians had 8.3% lower median PMPM costs than NP/PAs (p = 0.046). Conclusions: The primary drivers of greater PMPM cost were patient complexity, ED visits and patient satisfaction.

Original languageEnglish (US)
JournalJournal of Evaluation in Clinical Practice
DOIs
StateAccepted/In press - 2022

Keywords

  • care team
  • utilization

ASJC Scopus subject areas

  • Health Policy
  • Public Health, Environmental and Occupational Health

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