Opioid Prescriptions Can Lead to Misuse and Poor Job Performance
Military Data Link New Opioid Prescriptions to Fewer Promotions and More Misconduct
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
LDI generates critical evidence to improve U.S. health care delivery, patient care, and health policy.
LDI and American Healthcare
The Pennsylvania Gazette Reflects on How LDI’s Leaders and Fellows Are Meeting the Federal Policy Moment
Lincoln Was Sick at Gettysburg. It May Explain His Greatest Speech
An LDI Fellow Argues Smallpox Forced Lincoln’s Brevity—and Changed History
Philadelphia Providers Share Policy Barriers to Opioid Use Disorder Treatment
Recent University of Pennsylvania Study Highlights Providers’ Views on Policies That Hinder Their Ability to Treat Patients
Penn LDI and Monogram Health Announce Second Research Partnership
Initiative Supports Studies on Value-Based Care for Patients with Multiple Chronic Conditions
Comments on the Regulation of Federal Financial Assistance
Comment: Delivered to the Office of Management and Budget
Upcoming Events
In-Person Event
2026 SUMR Research Symposium
Penn LDI Summer Undergraduate Mentored Research Program
Virtual Event
Consumer-Directed Health Care: Promise or Pitfall
A Conversation with Sherry Glied, PhD, and Stephen Parente, PhD, 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.
Zachary Meisel, MD, MPH
- Professor, Emergency Medicine , Perelman School of Medicine
- Director, Center for Emergency Care Policy and Research , Perelman School of Medicine
Rachel Kohn, MD, MSCE
- Assistant Professor, Pulmonary, Allergy, and Critical Care , Perelman School of Medicine
Brian Jenssen, MD, MSHP
- Assistant Professor, Pediatrics , Perelman School of Medicine
Dahlia Stott, PhD
- Postdoctoral Researcher, Department of Biostatistics, Epidemiology, and Informatics , Perelman School of Medicine
Marissa King, PhD
- Professor, Health Care Management , Wharton School
- Professor, Management , Wharton School
Bingxin Zhao, PhD
- Assistant Professor, Statistics and Data Science , Wharton School
- Assistant Professor, Medicine , Perelman School of Medicine
Anna Jo Smith, MD, MPH
- Assistant Professor, Gynecologic Oncology , Perelman School of Medicine
Ravishankar Jayadevappa, PhD
- Research Associate Professor, Medicine , Perelman School of Medicine
- Associate Professor, Urology , 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
$179M+
Awarded in External Grant Funding
12,100+
Journal Articles Published (2021–2025)
$622K+
Awarded in Research Grants from LDI