We’re a small team that makes a big impact.
Dr. Bozzi (Debbie) is a Senior Researcher focusing on geographic variation in prices and utilization, provider payment policy, and health disparities.
Prior to joining HCCI, Debbie worked to design and evaluate value-based reimbursement and quality improvement programs for public and private payers, and health care research organizations, including Independence Blue Cross, Maryland Medicaid, the Pennsylvania Health Care Quality Alliance, and the Hopkins Center for Health Disparities Solutions.
Debbie received her PhD in Health Economics and Policy and MS in Public Health from Johns Hopkins Bloomberg School of Public Health, and her BA in Political Science from Haverford College. Her doctoral dissertation focused on the indirect effects of financial incentives on physician behavior in perinatal care.
Outside of work, Debbie enjoys running, hiking, cooking with her husband (Mike), and lounging with her cats (Frankie and Maya).
Mr. Brennan is the President and CEO of the Health Care Cost Institute. In this role, he is responsible for overseeing HCCI’s overall research agenda that seeks to highlight trends in U.S. health care spending and the factors behind those trends. Niall also works to maximize the reach of HCCI's data by licensing directly to leading academic researchers and through HCCI's role as a Medicare certified Qualified Entity. Niall works closely with federal and state policymakers, including the U.S. Congress on key health policy issues. He is a nationally recognized expert in health care policy, the use of health care data to enable and accelerate health system change, and data transparency. He has published widely in leading academic journals, including the Journal of the American Medical Association, the New England Journal of Medicine and Health Affairs. Prior to joining HCCI, Mr. Brennan was Chief Data Officer at the Centers for Medicare and Medicaid Services (CMS). He has also worked at the Brookings Institution, the Medicare Payment Advisory Commission, the Congressional Budget Office, the Urban Institute, and PriceWaterhouseCoopers. Mr. Brennan received his MPP from Georgetown University and his BA from University College Dublin, Ireland.
When not in the office, Niall enjoys spending time with his family, watching soccer and rugby, and road and mountain bike riding.
Jessica works on various HCCI initiatives such as Healthy Market Index and Health Care Cost and Utilization Report (HCCUR). Her research interests focus on healthcare competition, health policy, and behavioral economics. Prior to HCCI, Jessica worked at OptumLabs as a senior analyst where she worked on research projects and programmed analytical datasets from a large administrative claims data warehouse. She received a B.A. in both in Economics and International Relations and a M.A. in Economics from Boston University. She is currently a doctoral candidate at the University of Minnesota School of Public Health in the Health Services Research, Policy and Administration program with an emphasis in Economics.
A native of Honolulu, Jessica enjoys her annual winter trips home to escape winters on the mainland. She enjoys biking, traveling and cooking.
Elianna assists senior researchers on a number of different projects, ranging from the Healthy Marketplace Index to maternal health to commercial and medicare spending. She also works with external researchers to license HCCI data. She recently graduated from Colorado College with a B.A. in Economics, where her senior thesis explored the utilization of mental health services following mass shootings.
In her free time, Elianna likes to hike and bike, cheer for the Denver Nuggets, and hang out with her pet snake, Milo.
Phillip assists senior researchers with various stages of research. He also works with external researchers to license HCCI data. He recently graduated from the University of Virginia with a BA in Economics and Biology, where his senior thesis applied econometric techniques to study the effectiveness of prostate cancer screening tests, as well as racial disparities in screening, diagnoses, and outcomes.
Outside of work, Phillip enjoys trail running, reading, and cheering on the UVA men's basketball team (Go Hoos!).
Bianca collaborates on various HCCI projects with a focus on price and utilization trends in Medicare and implications of health care cost on health equity. Prior to HCCI, Bianca worked at the County Health Rankings and Roadmaps program as a project assistant. She also served a year with AmeriCorps and worked at Epic Systems where she assisted large healthcare organizations in managing their EHR systems. Bianca received her BS from Cornell University in Biology and Society and her MPH from the University of Wisconsin-Madison.
In her free time, Bianca enjoys roller skating, experimenting in the kitchen, and spending time with her dog, Frannie.
Mr. Hargraves oversees HCCI’s research blog HealthyBytes and data visualizations. He is also a co-author of the annual Health Care Cost and Utilization Report and contributes to the development of HCCI’s Qualified Entity initiative. His research focuses on the impact of policy and regulatory changes on health care spending and service use, and often collaborates with media outlets to help tell stories with data. Previously to joining HCCI, Mr. Hargraves worked as a researcher at the Centers for Medicare & Medicaid Services studying geographic variation, chronic conditions, and hospice using Medicare claims data. Mr. Hargraves received his BS in Economics from Binghamton University and his MPP with a concentration in Program Evaluation from the George Washington University.
John is an avid outdoorsman, comic convention nerd, and TV enthusiast.
Mr. Kennedy performs data manipulation and statistical analysis on HCCI’s vast commercial claims dataset, co-authoring published articles and reports on a wide array of topics. A majority of his focus has been on geographic price variation, including his work on projects like the Healthy Marketplace Index (HMI) and the National Chartbook of Health Care Prices. His research has also explored emergency room price and use trends as well as consumer-driven health plans, among others. Mr. Kennedy received his BS in Economics and in International Affairs from The George Washington University.
Outside of the workplace, Kevin enjoys running, re-watching The Office, and cheering on his hometown Cleveland sports team (as painful as that tends to be).
Allison assists senior researchers on a variety of projects, including race equity, cancer screenings, and ASD services. She recently graduated from UC San Diego with a B.S. in both Global Health and Human Biology, where her thesis looked at mollusk microbiota as a potential bioremediation technique against harmful algal blooms. She is currently pursuing her Master of Public Policy with an emphasis on Community, Drugs, and Health Policy from University College Dublin.
Allison enjoys baking, scuba diving, hiking with her dog, and spending time in the San Diego sun.
Daniel is a senior researcher focusing on price and utilization in the Medicare program, he also collaborates on all-payer claims database projects. Prior to joining HCCI, Daniel worked at the Centers for Medicare & Medicaid Services where he managed fee-for-service claims data and the post-acute care quality assessment data, leading several Medicare spending transparency reports. Daniel received an MPH in health policy from the Boston University School of Public Health and a BS in human biology and a BA in history from the University of California, San Diego.
A true native of southern California, Daniel enjoys spending time at the beach, hiking and going to Dodgers games whenever the schedule permits.
See some of Daniel’s previous work here:
Ms. Martin helps oversee and execute HCCI’s research and analytic agenda as well as support development of compelling, impactful publications. Before joining HCCI, she was the Vice President for Health Policy and Programs at the National Partnership for Women & Families. Ms. Martin served nearly 15 years in the federal government at both the Office of Management and Budget and the Department of Health and Human Services where she served as the Acting Assistant Secretary for Planning and Evaluation. Ms. Martin received her BA in Economics from William Smith College and her MPA from the Maxwell School of Citizenship and Public Affairs at Syracuse University.
Outside of work, Katie enjoys hanging with her family, is an avid Syracuse Orange fan, and is trying to get back to reading for fun.
Ms. Pupino assists senior researchers with various stages of research. She also helps manage research projects licensing access to the HCCI database. Ms. Pupino received her BA in International Studies from American University and her MS in Public Policy and Management from Carnegie Mellon University.
In her free time, Angela dances Lindy Hop, writes creative nonfiction, and searches DC for quality Youngstown (Ohio)-style pizza.
Aditi is the Director of Research and Policy at HCCI. In this role, she provides strategic direction for and ongoing oversight of HCCI’s research agenda and works to use rigorous analytic approaches and HCCI’s rich data resources to improve health policy design and implementation at the state and Federal levels.
Prior to joining HCCI, Aditi spent five years on the faculty at the Johns Hopkins School of Public Health, where she conducted research focused on health care markets and payment systems and implications for equitable access to health care services, taught health economics, and advised students. Previously she was a Health and Aging Policy Fellow in the Office of the Assistant Secretary for Planning and Evaluation at the U.S. Department of Health and Human Services and on the staff of the White House Council of Economic Advisers.
Aditi received her BA in History from Yale University and her PhD in Health Economics from the Wharton School of the University of Pennsylvania. Outside of work, she enjoys exploring Philly with her husband and preschooler, reading novels and history, and finding new recipes to use the vegetables that are delivered weekly through her local community supported agriculture program.
Dr. Valencia (Zehra) is a Senior Researcher at the HCCI. Zehra is an applied microeconomist focusing on health economics and public policy.
Prior to joining HCCI, Zehra worked on projects related to women’s and children's health issues, physicians’ liability concerns, initiatives to make individuals more physically active, and the well-being of minority communities. She was a research fellow for the Arnold School of Public Health and has been collaborating with traditional economists, health services researchers, and medical doctors.
Zehra received her Ph.D. in Economics from the University of South Carolina, her MS in Quantitative Economics from the University of Alicante, Spain, her MA in European Union Economics and her BA in Econometrics from Marmara University, Turkey. Her doctoral dissertation focused on the effects of delivery methods on women’s and their children’s health and health utilization. During her doctoral studies, she received several awards, including, ‘Best Third-Year Economics Ph.D. Student’ and ‘Outstanding Graduate Teaching Award’.
Zehra enjoys traveling abroad, camping with her husband and son, and relaxing with her cats (Korsan and Mocha).