The following requests for access to Massachusetts Acute Hospital Case Mix Data have been approved and include applicant names, organizations, and research purposes.
| Applicant | Organization | Project Title | Close Date | Status |
|---|---|---|---|---|
| Joyce Li, Assistant Professor of Pediatrics and Emergency Medicine, Harvard Medical School |
Boston Children’s Hospital, Division of Emergency Medicine |
Pediatric Inpatient Capacity and Emergency Department Pediatric Volume Patterns during the 2022 Pediatric Respiratory Surge | September 25, 2025 | Approved |
| Marlena D. Konieczynska, PhD, Sr. Research Contract Associate | Beth Israel Deaconess Medical Center, Inc |
Cardiac Disease and Enhancing Non-invasive Correlations with Echocardiography | August 13, 2025 | Approved |
| Blake Heller, PhD, Assistant Professor |
University of Houston | Effect of Adult English Language Training on Health and Health Care Utilization | June 10, 2025 | Approved |
| Chad Milando, Research Scientist |
Boston University, School of Public Health |
Assessing the Health Impacts of Climate Change in Massachusetts |
Nov. 24. 2024 | Approved |
| Holly Walton, Senior Planning Analyst |
Care New England | Care New England/SG2 Market Estimates |
April 19, 2024 | Approved |
| Jordan Strom, MD, MSc, Director of the Echocardiography Laboratory and Director of Echocardiographic Research | Beth Israel Deaconess Medical Center, Inc |
Frailty, Aging, and Risk of Adverse Outcomes in Mitral Valve Prolapse (The FAR-OUT-MVP Study) | April 19, 2024 | Approved |
| Danielle Riggs, Director, Research Administration, Tufts Medical Center, Inc. | Tufts Medical Center, Inc. | Cannabinoid hyperemesis syndrome – resources and costs for outpatients and inpatients in Massachusetts pre and post-cannabis legalization | December 14, 2023 | Approved |
| Anamika Chaudhuri, Director, Population Health Management |
Dana-Farber Cancer Institute |
Understanding Variations in Cancer Care in the State of Massachusetts, Measuring Value |
August 12, 2023 | Approved |
| Louis Vernacchio, MD, MSc, Director of Research |
Pediatric Physicians’ Organization at Children’s, LLC |
Assessment of the Impact of Behavioral Health Integration in Pediatric Primary Care on Emergency Department Utilization | March 14, 2023 | Approved |
| Robert W. Yeh, MD, Director, Richard A. and Susan F. Smith Center for Outcomes Research in Cardiology | Beth Israel Deaconess Hospital | Long Term Outcomes of Coronary and Structural Heart Disease Interventions in a Multicenter Linked Procedural and Claims Dataset | March 14, 2023 | Approved |
| Tamara Blair Kirk, Director, Research Service Center |
University of Maine System, acting through the University of Southern Maine |
Paid family leave and prevention of respiratory tract infections in young infants | February 10, 2023 | Approved |
| Lisa Foo, EVP of Commercial Operations | Tenet Business Services Corporation | Market Research and Data Analysis | February 10, 2023 | Approved |
| Eric Tranby, PhD, Director of Analytics and Evaluation |
CareQuest Institute for Oral Health | Direct and indirect costs and patient risks for non- traumatic dental care in a hospital setting |
December 20, 2022 |
Approved |
| Dr. Erika Werner, Physician-in-Chief and Chair, Obstetrics and Gynecology |
Tufts Medical Center, Department of Obstetrics and Gynecology |
Differences in uptake of highly effective contraceptive methods offered immediately postpartum in Massachusetts, 2017-2021 |
September 16, 2022 | Approved |
| Soltan Bryce, Special Assistant to the COO | Boston Medical Center Health System | Discharges by race by year for each Massachusetts hospital 2015-2020 | June 27, 2022 | Approved |
| Dr. Rie Sakai-Bizmar, Assistant Professor/Principal Investigator |
The Lundquist Institute for Biomedical Innovation | Disparities in the effect of state policy for the newborn screening for critical congenital heart diseases | June 27, 2022 | Approved |
| Laura B. Attanasio, PhD, Assistant Professor of Health Policy and Management | University of Massachusetts Amherst, School of Public Health and Health Sciences | Racial and ethnic disparities in labor after cesarean ending in cesarean birth | June 27, 2022 | Approved |
| Ben Knauth, Director of Business Development and Cost Accounting | Berkshire Health Systems | Identifying Trends in the Massachusetts Health Care Market | June 27, 2022 | Approved |
| Alyna T. Chien, MD, MS Assistant Professor, Department of General Pediatrics, Harvard Medical School |
Boston Children’s Hospital |
Health Care Transitions and the Health of Adolescents and Young Adults with Intellectual or Developmental Disabilities | May 3, 2022 | Approved |
| Anita Carson, Professor of Operations Management |
Trustees of Boston University | Healthcare Operations Service Design in Mitigating Socioeconomic Disparities in Access to Cancer Treatment and (additional responses) | May 3, 2022 | Approved |
| Wendy Heiger Bernays, PhD, Clinical Professor |
Trustees of Boston University, School of Public Health – Department of Environmental Health |
Assessing the association between combined sewer overflow events and gastrointestinal illness in the Merrimack Valley | May 3, 2022 | Approved |
| Soltan Bryce, Special Assistant to the COO, Boston Medical Center Health System |
Boston Medical Center Health System |
Discharges by Race by Year for Each Massachusetts Hospital (2015-2020) | January 27, 2022 | Approved |
| Nicholas James Elia, Senior Business Development Analyst, Shields Health Care Group |
Shields Health Care Group | Health Planning and Resource Allocation | January 27, 2022 | Approved |
| Olga Amah, M. Phil Research Analyst Supervisor |
Connecticut Office Health Strategy | Identifying trends, assessing unmet health needs in communities and changes in CT hospitals market share to aid policy decision-making | February 3, 2021 | Approved |
| Jeff Flaks, President and Chief Executive Officer | Hartford HealthCare Corporation | Market Demand Study of the Needs of Patients Living in Massachusetts who travel to and from Connecticut for Their Health Care | November 8, 2020 | Approved |
| Emilie Downing, Director, Market Analytics & Intelligence | Beth Israel Lahey Health | Understanding Trends in the Massachusetts Healthcare Market |
November 8, 2020 | Approved |
| Ozlem Ergun, Professor of Mechanical and Industrial Engineering |
Northeastern University |
The Effect of Severe Weather Events on Hospitals Operations |
May 26, 2020 | Approved |
| Anthony Dias, VP Data Services | Connecticut Hospital Association | ChimeData Analytics | May 4, 2020 | Approved |
| John Hsu, MD |
Massachusetts General Hospital
|
Differences in access to coordinated specialty care in first episode psychosis | May 4, 2020 | Approved |
| Christine Shaw, Director Strategy and Government Affairs |
Cape Cod Health Care
|
Cape Cod Health Care Case Mix Data Application 2019 |
January 26, 2020 | Approved |
| Dominic Hodgkin, Professor | Brandeis University, Heller School for Social Policy and Management | Variation in 30-day readmission risk between high and low-quality inpatient psychiatric facilities | November 4 2019 | Approved |
| Zeshan Rajput, Medical Director |
South Shore Health System
|
Identifying Trends and Changes in the Massachusetts Health Care Market | June 17, 2019 | Approved |
| Sue Manning, Vice President of Strategy |
Catholic Medical Center
|
Catholic Medical Center: Study of Outmigration For Strategic Planning | April 4, 2019 | Approved |
| Erika Scott, PhD, Deputy Director, Research Scientist |
Northeast Center for Occupational Health and Safety
|
Improving Methods for Traumatic Injury Surveillance | August 30, 2018 | Approved |
| Todd Erceg, Director of Sponsored Programs | Boston Medical Center | National Estimates of the Impact of the Affordable Care Act on Healthcare Utilization, Outcomes and Quality among Hispanics | August 30, 2018 | Approved |
* Applications open for comment for ten business days
For questions, email casemix.data@chiamass.gov
Recommended Links
Case Mix
Access Massachusetts hospital case mix data, including inpatient discharge, emergency department, and outpatient observation datasets, documentation, and data specification manuals.
Request MA APCD & Case Mix Data
How to request health care data from two of CHIA's major data assets, including application processes and requirements.
Resultant Research Using CHIA Data
Browse published research studies that used the Massachusetts All Payer Claims Database or CHIA's case mix data, organized by topic and publication date.