Only One in Four High-Risk Rural Births Get Appropriate Hospital Care
A Multi-State Study Finds That Parents Often Travel 60+ Miles—With Distance, Insurance, and Race Driving Gaps in Maternal Care
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.
Inside Medicare’s Stalled Shift to Value-Based Care
Former CMMI Leader Liz Fowler Cites Rigid Federal Scoring Rules and Bureaucratic Impatience for Pilot Failures
How Hospitals Can Ease Staff Burnout—and Improve Patient Safety
A Major European–U.S. Hospital Study Finds That Changing How Hospitals Are Organized Reduces Burnout and Turnover While Improving Care Quality
Center for Medicare and Medicaid Services: A Notable Success in Trump 2.0
An LDI Fellow Who Helped Architect the ACA Highlights Progress on Primary Care Payment Reform and the Expansion of Site-Neutral Reimbursement Policies
ED Psychiatric Boarding of Children Worsens Nationwide
Penn LDI Senior Fellow Dominic Sisti Cites “Alarming Levels”
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
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
In-Person Event
Samuel P. Martin, III, MD Memorial Lecture with Marcella Nunez-Smith, MD, MHS
Promoting Health and Health Care Equity for Structurally Marginalized Populations: A Conversation with Rachel M. Werner, MD, PhD
Open to Penn Affiliates
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.
Dylan Small, PhD
- Universal Furniture Professor , Wharton School
- Professor, Statistics and Data Science , Wharton School
Ananya Rajagopalan
- PhD Student, Genomics and Computational Biology , Perelman School of Medicine
Ross Perfetti, MSc
- MD/PhD Student, Anthropology , School of Arts and Sciences
Keven Cabrera, MD
- Clinical Fellow, Pediatric Emergency Medicine , Children’s Hospital of Philadelphia
Katherine Milkman, PhD
- James G. Dinan Professor , Wharton School
- Professor, Operations, Information and Decisions , Wharton School
Guy David, PhD
- Alan B. Miller Professor, Health Care Management , Wharton School
- Professor, Health Policy and Medical Ethics , Perelman School of Medicine
Maria Altieri, MD, MS
- Assistant Professor, Surgery , Perelman School of Medicine
Graham Quinn, MD
- Emeritus Director of Research, Pediatric Ophthalmology , Children’s Hospital of Philadelphia
- Professor Emeritus, Ophthalmology , Perelman School of Medicine
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