Abstract
Background
Persons with opioid use disorder (OUD) may present with infectious complications from injection drug use, thus ID physicians are uniquely positioned to treat OUD. Buprenorphine is safe and effective for OUD but remains underutilized. The prevalence and geographic distribution of ID physicians who are waivered to prescribe buprenorphine are unknown.
Methods
This cross-sectional study merged data from several publicly available datasets from November 1, 2021 to January 15, 2022. Our primary outcome was proportion of ID physicians possessing buprenorphine waivers in the United States. We identified individual and county-level characteristics associated with buprenorphine waiver possession. We then used geospatial analysis to determine geographic distribution of waivered ID physicians.
Results
We identified 6372 ID physicians in the US, among whom 170 (2.7%) possessed waivers. Most ID physicians (97.3%) practice d in metropolitan counties. In our multivariable analysis, ID physicians had lower odds of having a waiver for every 10-year increase since graduating medical school (OR 0.79, 95% CI 0.68-0.91). ID physicians practicing in counties with higher proportion of uninsured residents had lower odds of having a waiver (OR 0.75, 95% CI 0.62-0.90). Among counties with at least one ID physician (n = 729), only 11.2% had at least one waivered ID physician.
Conclusions
We found an extremely low prevalence and skewed geographic distribution of ID physicians with buprenorphine waivers. Our findings suggest an urgent need to increase the workforce of ID physicians waivered to prescribe buprenorphine and a call for increased integration of OUD education into ID training and continuing medical education.
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