Antibiotic Prescribing by Dentists for Medicare Beneficiaries: Temporal Trends and Geographic Concentration in the United States

Rigel Ramirez Fritze and Rigelramirezf1021@gmail.com

SAP Dentistry, 2026

Abstract: Introduction: Dentists are a leading source of outpatient antibiotic prescriptions in the United States, yet their prescribing for Medicare beneficiaries is rarely described at national scale. Methods: This ecological time series analyzed the 2018 to 2023 files of the Medicare Part D Prescribers by Provider and Drug dataset, restricted to prescriber type dentist. Annual antibiotic claims, beneficiaries, agents and state-level volumes were tabulated and tested with Poisson and Cochran-Armitage trend models. Results: Dentists generated 4,450,465 antibiotic claims in 2018 and 5,780,560 in 2023 (increase of 29.9%; incidence rate ratio per year 1.058, 95% CI 1.057 to 1.058, p

Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:cwf:dentar:dent2026257

DOI: 10.62486/dent2026257

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