Black Immigrants Face Greater Barriers to Health Care
Penn LDI Team Finds Black Immigrants, Especially Those who are Undocumented, Face Higher Rates of Uninsurance and Lower Health Care Use
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.
Understanding CMS’s Proposed Rule Regarding Prior Authorization For Drugs
LDI Expert Considers Cost, Quality, and Access Implications
Congress is Fighting the Wrong Pharmacy Battle
Better Plan Choices Would Lower Drug Costs, Not PBM Breakups, LDI’s Mark Pauly Says
Why More Americans Feel Stuck — and Why It’s a Public Health Crisis
Economic Opportunity is Key to Better Health, LDI Fellow Says
Penn LDI CICADA Initiative Names Researchers for 2026-2027 Cohort
Ninth Year of Program That Recruits, Mentors and Develops Junior Faculty for Health Services Research
Why Some Family Health Insurance Is Now Much Pricier
LDI Expert Proposes Fixes to Keep Marketplace Plans Within Families’ Budgets
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, moderated by David Grande, MD, MPA
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.
Yoonjae Lee, DNP, APRN, FNP-BC
- PhD Student , Penn Nursing
Shengao Yi
- PhD Student, City and Regional Planning , Weitzman School of Design
Dylan Small, PhD
- Universal Furniture Professor , Wharton School
- Professor, Statistics and Data Science , Wharton School
Anna Morgan, MD, MSHP
- Associate Professor, Division of General Internal Medicine , Perelman School of Medicine
- Director of the LDI-Penn Medicine Research Laboratory , Leonard Davis Institute of Health Economics
David Powell, PhD
- Associate Professor, Medical Ethics & Health Policy , Perelman School of Medicine
David Lydon-Staley, PhD
- Associate Professor, Communication , Annenberg School for Communication
Beth Pineles, MD, PhD
- Assistant Professor, Obstetrics and Gynecology , Perelman School of Medicine
Rachel Kohn, MD, MSCE
- Assistant Professor, Pulmonary, Allergy, and Critical Care , 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