Health Insurance May Slow Toxin-Related Aging, LDI Fellow Finds
Researchers Urge Expanding Insurance Coverage with Stronger Environmental Protections to Ease the Biological Toll of Lead and Other Hazards
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.
Private Equity Expands Grip on Addiction Treatment Sector
Researchers Point to Gains in Access to Care but Declines in Patient Retention and Ongoing Concerns about Quality
Insurers Should Incentivize Non-Drug Treatments for Chronic Pain
An LDI Fellow and Chronic Pain Researcher Call on Health Plans To Lower Barriers to Physical Therapy, Acupuncture, and Interdisciplinary Pain Care
Housing May Help Homeless Veterans With Heart Disease Avoid the ER
Faster Access to Stable Housing May Improve Health for Vulnerable Veterans, LDI Fellows’ Study Finds
Medicare Advantage ‘Working’ for Seniors, but Not for Taxpayers, Experts Say
Penn LDI Panel Cites Costs for Enrollees Alongside Billions in Overpayments and Systemic Gaming
Hospital Ads Raised ER Visits and Medicare Spending, Innovative LDI Study Says
For-Profit Hospitals Saw the Largest ER Gains, With Smaller Effects at Nonprofits
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
Behind Bars, Beyond Health: Equity and Incarceration in America
A Conversation with Jason Schnittker, PhD, moderated by 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.
Elizabeth Sonnenberg, MD, MSHP
- Assistant Professor, Surgery , Perelman School of Medicine
Holly Fernandez Lynch, JD, MBE
- Associate Professor, Medical Ethics and Health Policy , Perelman School of Medicine
- Associate Professor, Law , Carey Law School
Aviv Landau, PhD, MSW
- Research Assistant Professor , School of Social Policy & Practice
Sameed Khatana, MD, MPH
- Assistant Professor, Cardiology , Perelman School of Medicine
Jaya Aysola, MD, MPH
- Associate Professor, Medicine and Pediatrics , Perelman School of Medicine
Atheendar Venkataramani, MD, PhD
- Associate Professor, Medical Ethics and Health Policy , Perelman School of Medicine
- Director, Opportunity for Health Lab , Perelman School of Medicine
Sunny Rai, PhD
- Postdoctoral Fellow, Computer and Information Science , School of Engineering and Applied Science
Katherine Courtright, MD, MSHP
- Assistant Professor, Medicine , 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