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Health Equity

Photo & Text Report: Penn LDI at the 2025 AcademyHealth Research Meeting

A Gathering of a Health Services Research Community Currently Under Siege

By:
  • Hoag Levins
June 17, 2025

News

Health Equity

LDI at 2025 AcademyHealth Poster Displays

1,000+ Detail the Latest Health Services Research Findings and Insights

By:
  • Hoag Levins
June 17, 2025

Policy

Health Care Access & Coverage

Loss of Subsidized Drug Coverage and Mortality Following Medicaid Disenrollment: Translating our Findings and Implications for Medicaid Policy

Research Memo: Supplement to Response to Request for Technical Assistance

By:
  • LDI Staff
May 23, 2025

News

Penn LDI’s Aaron Schwartz Wins 2025 Alice S. Hersh Emerging Leader Award

AcademyHealth Honor Recognizes Early Career Researchers of Exceptional Potential

By:
  • Hoag Levins
May 20, 2025

Blog Post

Health Care Access & Coverage

Medicaid Cuts Will Imperil Many Sick Recipients

Those on Medicaid and Medicare Will Die at Higher Rates If They Lose Low-Cost Drug Coverage, New LDI Study Shows

By:
  • Karl Stark
May 14, 2025

Blog Post

Health Care Access & Coverage

Medicare Advantage: LDI Fellows’ Findings On The Largest Part of Medicare

A Digest of LDI Research on Equity, Costs, and Care in Medicare Advantage Over The Last Two Years

By:
  • Karl Stark
December 13, 2024

In The Media The Philadelphia Inquirer

A Philadelphia Man Said He Was Sober, But Kept Testing Positive For Alcohol. How Did A UPenn Doctor Crack The Case?

Interview

Featured Fellow:
  • Aaron Schwartz, MD, PhD
September 4, 2024

In Their Own Words

Population Health

A Navy Veteran Tested Positive For Alcohol And Swore He Didn’t Drink. His Doctor Backed Him Up. What Happened?

The Disabled Veteran's Case Underscores the Need to Improve Medical Tests in Court

By:
  • Aaron Schwartz, MD, PhD
  • and Tamar Lerer, JD
August 13, 2024

In The Media MedPage Today

He Hadn’t Had a Drop of Alcohol in Nearly a Year— But The Test Said Otherwise

Interview

Featured Fellow:
  • Aaron Schwartz, MD, PhD
August 13, 2024

Blog Post

Health Care Access & Coverage

The Billing Bottleneck: How Medicare Advantage Insurers Use Prior Authorization 

Plans Often Disagree on Which Services to Review, New Study Shows  

By:
  • Nadiyah Browning, MPH, PMP
April 3, 2024

Blog Post

Health Care Access & Coverage

Medicare Advantage Enrollment Was Not Affected by ACA Funding Cuts

Study Suggests Room for More Savings in the Fast Growing Program

By:
  • Karl Stark
August 8, 2023

News

Aaron Schwartz Wins 2022 SGIM Award

Penn LDI Senior Fellow Honored for Scientific Presentation

By:
  • Hoag Levins
April 14, 2022

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  • Fellows
    • Fellow Directory
    • Fellow Resources
    • Become an LDI Fellow
  • Our Work
    • Focus Areas and Initiatives
    • Research & Policy Updates
    • In the Media
    • Working Groups
  • Events
  • Education
    • Research Training Programs
    • Translation and Dissemination Training Programs
    • Affiliated Degree Programs
  • About Us
    • Welcome
    • Our Priorities
    • Partners
    • Governance and Committees
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    • Penn LDI 2024 Year in Review
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