Overview
Matt Maciejewski, PhD is a Professor in the Department of Population Health Sciences. He is also a Senior Research Career Scientist in the Center of Innovation to Accelerate Discovery and Practice Transformation at the Durham VA Medical Center. Matt also holds Adjunct Professor appointments in the Schools of Public Health and Pharmacy at the University of North Carolina at Chapel Hill.
He has received funding from NIDDK, NIDA, CMS, AHRQ, FDA, VA HSR&D, and the RWJ Foundation to conduct evaluation of long-term clinical and economic outcomes of surgical interventions, behavioral interventions and Medicare program/policy changes on patients with obesity or cardiometabolic conditions. He is also interested in methods for addressing unobserved confounding in observational studies. Matt evaluated the first-ever population-based implementation of value-based insurance design and led the first-ever linkage of lab results and Medicare FFS claims. He has published over 325 papers in peer-reviewed journals such as JAMA, JAMA Internal Medicine, JAMA Surgery, Annals of Internal Medicine, Health Economics, Medical Care, and Health Services Research.
Areas of expertise: Health Services Research, Health Economics, Health Policy, Multimorbidity, treatments for obesity
He has received funding from NIDDK, NIDA, CMS, AHRQ, FDA, VA HSR&D, and the RWJ Foundation to conduct evaluation of long-term clinical and economic outcomes of surgical interventions, behavioral interventions and Medicare program/policy changes on patients with obesity or cardiometabolic conditions. He is also interested in methods for addressing unobserved confounding in observational studies. Matt evaluated the first-ever population-based implementation of value-based insurance design and led the first-ever linkage of lab results and Medicare FFS claims. He has published over 325 papers in peer-reviewed journals such as JAMA, JAMA Internal Medicine, JAMA Surgery, Annals of Internal Medicine, Health Economics, Medical Care, and Health Services Research.
Areas of expertise: Health Services Research, Health Economics, Health Policy, Multimorbidity, treatments for obesity
Current Appointments & Affiliations
Professor in Population Health Sciences
·
2021 - Present
Population Health Sciences,
Basic Science Departments
Professor in Medicine
·
2020 - Present
Medicine, General Internal Medicine,
Medicine
Core Faculty Member, Duke-Margolis Institute for Health Policy
·
2024 - Present
Duke-Margolis Institute for Health Policy,
University Institutes and Centers
Recent Publications
Identifying Bariatric Surgery Patients With the Most Favorable Cost Outcomes.
Journal Article Health Serv Res · April 2026 OBJECTIVE: To examine whether the economic benefits of bariatric surgery differ by patient subgroups, with the aim of identifying those that may yield the most favorable cost profile for improved return on investment in an exploratory analysis. STUDY SETTI ... Full text Link to item CiteImpact of time zero designation on estimated COVID-19 antiviral effectiveness in observational studies.
Journal Article Am J Epidemiol · February 5, 2026 In a well-designed clinical trial, time zero is when eligibility is determined, treatment is assigned, follow-up time begins, and each of these elements is aligned. Attaining this alignment can be challenging in observational studies, risking potential bia ... Full text Link to item CiteRisk of Hospital Readmissions and Association With Receipt of Post-Hospitalization Care Coordination Services Among High-Risk Veterans.
Journal Article Health Serv Res · February 2026 OBJECTIVE: To examine associations between receipt of post-hospitalization care coordination and VA-delivered, VA-purchased, and Medicare fee-for-service hospital readmissions among Veterans at high risk for hospitalization and/or mortality. STUDY SETTING ... Full text Link to item CiteRecent Grants
2/3 CTSA K12 Program at Duke University
ResearchMentor · Awarded by National Institutes of Health · 2025 - 2030Deprescribing Decision-Making using Machine Learning Individualized Treatment Rules to Improve CNS Polypharmacy
ResearchCo Investigator · Awarded by National Institutes of Health · 2024 - 2029Duke KURe Program
Inst. Training Prgm or CMEMentor · Awarded by National Institute of Diabetes and Digestive and Kidney Diseases · 2013 - 2028View All Grants
Education
University of Minnesota, Twin Cities ·
1998
Ph.D.