ED Psychiatric Boarding of Children Worsens Nationwide
Penn LDI Senior Fellow Dominic Sisti Cites “Alarming Levels”
Our Mission
We connect researchers from across the University of Pennsylvania with a common mission: to improve health and health care by catalyzing collaborative, multidisciplinary research that influences policy and practice.
Featured Research Updates
Our work addresses some of the most pressing health and health care challenges facing our nation today.
Methadone Use Rises—But Too Few People Get Opioid Medication
Chart of the Day: Methadone Use for Opioid Use Disorder Tripled From 2010–2020, Yet Only One in Four People With Addiction Receive Medication
Can AI Hear When Patients Are Ready for Palliative Care?
Researchers Use AI to Analyze Patient Phone Calls for Vocal Cues Predicting Palliative Care Acceptance
Medicare’s Hidden Fix for High Drug Costs
Medicare’s Payment Plan Can Ease Seniors’ Crushing Drug Costs but Medicare Buries it in the Fine Print
Six Insights on Health Care Affordability From Penn LDI
LDI Fellows’ Research Quantifies the Effects of High Health Care Costs for Consumers and Shines Light on Several Drivers of High U.S. Health Care Costs
Medicare and Medicaid Programs; Repeal of Minimum Staffing Standards for Long-Term Care Facilities
Comment: Submitted to Centers for Medicare & Medicaid Services
Impact Report
Our commitment to driving positive change through transformative research powered a series of standout achievements in 2025. Explore how we turned evidence into action to shape smarter health policy.
Upcoming Events
Virtual Event
Making Secondary Data Work for You: Innovative Methods for Leveraging National Violent Death Data
A Conversation with Millan AbiNader, PhD, MSW, Laurie Graham, PhD, MSW, and Julie Kafka, PhD, MPH
Virtual Event
Keeping the Momentum: Moving Forward in the Opioid Epidemic
A Conversation with Jonathan Caulkins, PhD, Yngvild Olsen, MD, MPH, and Rachel Winograd, PhD, moderated by Zachary Meisel, MD, MPH
Our Experts
Our 500+ Fellows are national experts and thought leaders who bridge all of Penn’s schools, the University of Pennsylvania Health System, and the Children’s Hospital of Philadelphia.
Shivan Mehta, MD, MSHP
- Associate Professor, Medicine and Health Policy , Perelman School of Medicine
- Director, Population Health Lab , Perelman School of Medicine
Cynthia Connolly, PhD, RN
- Professor Emerita , Penn Nursing
John Rizzo, MSN, RN
- PhD Student, Center for Health Outcomes and Policy Research (CHOPR) , Penn Nursing
Kenrick Cato, PhD, RN
- Professor, Family and Community Health , Penn Nursing
- Professor, Informatics , Children’s Hospital of Philadelphia
Michael Ashburn, MD, MPH
- Professor, Anesthesiology and Critical Care , Perelman School of Medicine
Karli Breeden, MD
- Clinical Fellow , Children’s Hospital of Philadelphia
Eric T. Roberts, PhD
- Associate Professor, General Internal Medicine , Perelman School of Medicine
Angela Chen, MA
- MD Student , Perelman School of Medicine
- PhD Student, Health Care Management and Economics , Wharton School
What We Do
As Penn’s hub for health care delivery, health policy, and population health, we connect and amplify over 500 Fellows across the University, and train the next generation of researchers.
Fast Facts
$160M+
Awarded in External Grant Funding
11,300+
Journal Articles Published (2020–2024)
$400K+
Awarded in Research Grants from LDI