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Competing Interests: Conflict of interest None disclosed.

The merit-based incentive payment system (MIPS) is a value-based payment model created by the Centers for Medicare & Medicaid Services (CMS) to promote high-value care through performance-based adjustments of Medicare reimbursements. In this cross-sectional study, we examined the participation and performance of oncologists in the 2019 MIPS. Oncologist participation was low (86%) compared to all-specialty participation (97%). After adjusting for practice characteristics, higher MIPS scores were observed among oncologists with alternative payment models (APMs) as their filing source (mean score, 91 for APMs vs. 77.6 for individuals; difference, 13.41 [95% CI, 12.21, 14.6]), indicating the importance of greater organizational resources for participants. Lower scores were associated with greater patient complexity (mean score, 83.4 for highest quintile vs. 84.9 for lowest quintile, difference, -1.43 [95% CI, -2.48, -0.37]), suggesting the need for better risk-adjustment by CMS. Our findings may guide future efforts to improve oncologist engagement in MIPS., (© The Author(s) 2023. Published by Oxford University Press.)

Background: Lumbar Spine MRI Use for Low Back Pain (OP-8) is calculated by dividing the number of patients who received lumbar magnetic resonance imaging (MRI-L) before receiving alternative treatments (e.g., physical therapy) by the total number of patients receiving MRI-L in the outpatient setting at a given institution. Since the passage of the Post-Medicare Access and CHIP Reauthorization Act of 2015 (MACRA), OP-8 scores became tied to hospital finances. This study aims to determine how MACRA has impacted OP-8 scores since its implementation. We also aim to investigate how regional designation, profit status (for-profit, government, and nonprofit), and hospital setting (critical access, non-critical access) affect OP-8 scores., Methods: Data from the Centers for Medicare and Medicaid Services Hospital Compare database were used to extract information on the national trends in OP-8 scores from 2014 to 2020. A multivariable linear regression model was fit to isolate the impact of hospital characteristics on OP-8 scores., Results: After a decrease from 2015 to 2016, the mean national OP-8 score plateaued, staying around 40% from 2017 through 2020. A critical access setting increased OP-8 scores by 5.41 (95% confidence interval, 3.51-6.77; P ≤ 0.001), compared with a non-critical access setting. Governmental status increased scores by 1.27 (95% confidence interval, 0.28-2.27; P = 0.012), compared with a nonprofit status., Conclusions: The implementation of MACRA seems to have been unsuccessful in altering practice patterns, given the minimal change in OP-8 scores over the last 4 years. Furthermore, institutional factors are clearly correlated with a lack of adherence to magnetic resonance imaging guidelines. Given these findings, there is a need to modify health policies., (Copyright © 2021 Elsevier Inc. All rights reserved.)