Michael E. Chernew, PhD

April 22, 2022

Use of low-value care services during COVID-19 exhibits substantial heterogeneity but, on average, shows declines similar to the use of high-value services; low-value care use lags behind high-value care use in the rebound phase.

November 23, 2021

The different approaches to setting benchmarks for population-based payment models (empirical, bidding based, and administratively set) have unique advantages and challenges.

July 06, 2021

December 15, 2020

Physician practices account for a significant amount of variation in spending.

December 10, 2020

To mark the 25th anniversary of the journal, each issue in 2020 includes an interview with a health care thought leader. The December issue features a conversation with the journal’s co-editors-in-chief, Michael E. Chernew, PhD, and A. Mark Fendrick, MD.

March 31, 2020

Analysis of spending differences among accountable care organizations (ACOs) may help identify cost savings opportunities. We examined the magnitude and sources of spending variation among ACOs over 4 years.

December 23, 2019

This large-scale, national study shows geographic variation in provider supply and hospital access for low- and high-income communities following the Affordable Care Act.

November 12, 2019

Most patients receiving multimodality cancer care receive care from different practices. Therefore, episode-based payments in oncology must hold multiple providers accountable for costs and quality.

October 11, 2019

July 11, 2019

Steering patients who visit providers with above-median prices to their market’s median-priced provider would save 42%, 45%, and 15% of laboratory, imaging, and durable medical equipment spending, respectively.