Vicki Fung, PhD

Articles

July 10th 2025

High-Risk Care Management Impact on Medicaid ACO Utilization and Spending

Kathryn Corelli, MD Erin Duralde, MD Diya Mathur, BA Mary Price, MA Nicole M. Benson, MD, MBI Nishmi Abeyweera, AB Vicki Fung, PhD Christine Vogeli, PhD Katherine H. Schiavoni, MD, MPP Maryann M. Vienneau, BS Mallika L. Mendu, MD, MBA Lindsay Jubelt, MD, MS Gregg S. Meyer, MD, MSc John Hsu, MD, MBA, MSCE

In Massachusetts’ largest Medicaid accountable care organization (ACO), high-risk care management significantly reduced spending, emergency department visits, and hospitalizations, demonstrating that targeted strategies can manage health care costs amid budget constraints.

August 10th 2022

Premium Tax Credits in the American Rescue Plan and Off-Marketplace Enrollees

Vicki Fung, PhD Delaney Tevis, BA Max Weiss, BA Sharon-Lise Normand, PhD John Bertko, BS Joseph P. Newhouse, PhD John Hsu, MD

We estimate that the median 2021 premium tax credit for off-marketplace enrollees in California would be $311 if they switched to marketplace plans, with wide variation by age and plan size.

January 20th 2016

The Introduction of Generic Risperidone in Medicare Part D

Vicki Fung, PhD Mary Price, MA Alisa B. Busch, MD, MS Mary Beth Landrum, PhD Bruce Fireman, MA Andrew A. Nierenberg, MD Joseph P. Newhouse, PhD John Hsu, MD, MBA, MSCE

This study examines the plan characteristics associated with generic risperidone use and spending and adherence outcomes associated with use among Medicare Advantage Part D beneficiaries.

December 21st 2015

Patient-Initiated E-mails to Providers: Associations With Out-of-Pocket Visit Costs, and Impact on Care-Seeking and Health

Mary E. Reed, DrPH Ilana Graetz, PhD Nancy Gordon, ScD Vicki Fung, PhD

Patients with higher out-of-pocket visit costs, such as co-payments and deductibles, initiated provider contact by e-mail more often. Patients report that e-mailing changed their care-seeking behaviors and improved overall health.

July 14th 2011

Using Medicare Data for Comparative Effectiveness Research: Opportunities and Challenges

Vicki Fung, PhD Richard J. Brand, PhD Joseph P. Newhouse, PhD John Hsu, MD, MBA, MSCE

This review article explores the Medicare data available for researchers and approaches that could be used to enhance the data%u2019s value for comparative effectiveness research.

June 23rd 2011

The Structure of Risk Adjustment for Private Plans in Medicare

Joseph P. Newhouse, PhD Jie Huang, PhD Richard J. Brand, PhD Vicki Fung, PhD John Hsu, MD, MBA, MSCE

Health plan accounting data are used to test how well the CMSHCC risk adjustment system tracks relative costs of treating various diagnoses: not very well.

March 16th 2009

Medicare Part D Coverage Gap and Diabetes Beneficiaries

Julie A. Schmittdiel, PhD Susan L. Ettner, PhD Vicki Fung, PhD Jie Huang, PhD Norman Turk, MS Elaine S. Quiter, MS Bix E. Swain, MS John T. Hsu, MD, MBA, MSCE Carol M. Mangione, MD, MSPH

When diabetic patients in 2 Medicare Advantage Part D plans reached the 2006 coverage gap, overall drug costs dropped as out-of-pocket costs increased.