Consolidation Among Cardiologists Across U.S. Practices Over Time

Affiliations

• ¹ Department of Health Policy and Management, Harvard School of Public Health, Boston, Massachusetts; Department of Medicine, Division of General Internal Medicine, Brigham and Women's Hospital, Boston, Massachusetts; Department of Medicine, Harvard Medical School, Boston, Massachusetts. Electronic address: jfigueroa@hsph.harvard.edu.
• ² Department of Health Policy and Management, Harvard School of Public Health, Boston, Massachusetts; Department of Medicine, Harvard Medical School, Boston, Massachusetts; Department of Radiation Oncology, Brigham and Women's Hospital/Dana Farber Cancer Institute, Boston, Massachusetts.
• ³ Department of Health Policy and Management, Harvard School of Public Health, Boston, Massachusetts; Department of Medicine, Division of General Internal Medicine, Brigham and Women's Hospital, Boston, Massachusetts.
• ⁴ Department of Medicine, Cardiovascular Division, Washington University School of Medicine, St. Louis, Missouri; Washington University Institute for Public Health, Center for Health Economics and Policy, St. Louis, Missouri. Electronic address: https://twitter.com/kejoynt.