Publications

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Journal Article
Readmissions after exacerbations of chronic obstructive pulmonary disease (COPD) are penalized under the Hospital Readmissions Reduction Program (HRRP). Understanding attributable diagnoses at readmission would improve readmission reduction strategies. The object of this study was to determine factors that portend 30-day readmissions attributable to COPD versus non-COPD diagnoses among patients discharged following COPD exacerbations.
Journal Article
Readmissions after exacerbations of chronic obstructive pulmonary disease (COPD) are penalized under the Hospital Readmissions Reduction Program (HRRP). Understanding attributable diagnoses at readmission would improve readmission reduction strategies. The object of this study was to determine factors that portend 30-day readmissions attributable to COPD versus non-COPD diagnoses among patients discharged following COPD exacerbations.
Journal Article
The association between expansion of the Medicaid program under the Affordable Care Act and changes in healthcare spending among low income adults during the first four years of the policy implementation (2014-17). Participants: 37,819 low income adults (family income below 138% of the federal poverty level), ages 19 to 64, after Medicaid expansions using the 2010-17 Medical Expenditure Panel Survey.
Journal Article
The association between expansion of the Medicaid program under the Affordable Care Act and changes in healthcare spending among low income adults during the first four years of the policy implementation (2014-17). Participants: 37,819 low income adults (family income below 138% of the federal poverty level), ages 19 to 64, after Medicaid expansions using the 2010-17 Medical Expenditure Panel Survey.
Fact Sheet
One overlooked disparity in coverage is the association between educational attainment and lack of insurance.
Fact Sheet
One overlooked disparity in coverage is the association between educational attainment and lack of insurance.
Journal Article
This study examines the association between the Medicaid expansions and changes in the utilization of primary care physicians (PCPs) and emergency departments (EDs) at the national level during the first 3 years (2014–2016) of ACA implementation.
Journal Article
This study examines the association between the Medicaid expansions and changes in the utilization of primary care physicians (PCPs) and emergency departments (EDs) at the national level during the first 3 years (2014–2016) of ACA implementation.
Policy Research Report
California led the way in implementing ACA reforms, and national data comparisons of all 50 states clearly show the state has been one of the most successful states in enrolling eligible people in new coverage from the ACA’s full launch in 2014 until today.
Policy Research Report
California led the way in implementing ACA reforms, and national data comparisons of all 50 states clearly show the state has been one of the most successful states in enrolling eligible people in new coverage from the ACA’s full launch in 2014 until today.
Policy Research Report
California’s success in implementing the ACA resulted in the number of uninsured falling from 6.5 million in 2013 to 3.5 million in 2017. At the end of 2017, Congress voted to eliminate the individual mandate penalty starting with the 2019 tax year, a change projected to increase the uninsured by more than half a million Californians.
Policy Research Report
California’s success in implementing the ACA resulted in the number of uninsured falling from 6.5 million in 2013 to 3.5 million in 2017. At the end of 2017, Congress voted to eliminate the individual mandate penalty starting with the 2019 tax year, a change projected to increase the uninsured by more than half a million Californians.
Journal Article
​The individual health insurance market has grown significantly since the 2014 implementation of the Affordable Care Act’s state-based and federally facilitated Marketplaces. During annual open enrollment periods, Marketplace enrollees can switch plans for the upcoming year. The percentage of re-enrollees in California’s state-based Marketplace, Covered California, who made changes to their coverage steadily increased between the 2014–15 and 2017–18 open enrollment periods.
Journal Article
​The individual health insurance market has grown significantly since the 2014 implementation of the Affordable Care Act’s state-based and federally facilitated Marketplaces. During annual open enrollment periods, Marketplace enrollees can switch plans for the upcoming year. The percentage of re-enrollees in California’s state-based Marketplace, Covered California, who made changes to their coverage steadily increased between the 2014–15 and 2017–18 open enrollment periods.
Journal Article
The aim of this study was to understand variation in intraoperative and postoperative utilization for common general surgery procedures. Authors used retrospective analysis of electronic health record data for 7,762 operations from two health systems.
Journal Article
The aim of this study was to understand variation in intraoperative and postoperative utilization for common general surgery procedures. Authors used retrospective analysis of electronic health record data for 7,762 operations from two health systems.
Journal Article
When passed in 2010, the Affordable Care Act (ACA) ushered in a drastic decrease in the number of uninsured Americans and has encouraged delivery system innovation. However, the ACA has not been uniformly embraced, and states differ in their implementation of the law and in their individual health insurance marketplace's successfulness.
Journal Article
When passed in 2010, the Affordable Care Act (ACA) ushered in a drastic decrease in the number of uninsured Americans and has encouraged delivery system innovation. However, the ACA has not been uniformly embraced, and states differ in their implementation of the law and in their individual health insurance marketplace's successfulness.
Journal Article
Between 1996 and 2016, the number of people receiving dialysis in the United States increased by 4.3% annually. Dialysis is expensive, but typical cost analyses focus on Medicare and ignore the contributions of commercial insurers. The national dialysis market is controlled by two for-profit organizations, one of which — DaVita — operates 37% of the market.
Journal Article
Between 1996 and 2016, the number of people receiving dialysis in the United States increased by 4.3% annually. Dialysis is expensive, but typical cost analyses focus on Medicare and ignore the contributions of commercial insurers. The national dialysis market is controlled by two for-profit organizations, one of which — DaVita — operates 37% of the market.