Professional Summary
Dr. McMahon is Professor of Internal Medicine and Professor of Health Management and Policy at the School of Public Health. He has served as chief of the Division of General Medicine, the largest division of the Department of Internal Medicine, since 1988. He also is the co-director of the Robert Wood Johnson Clinical Scholars Program at the Medical Center.
Dr. McMahon's academic background includes an undergraduate degree in chemistry from Carnegie-Mellon University. He subsequently received a Masters of Public Health in Hospital Administration from Yale University, where he began his work with a group developing Diagnosis Related Groups, currently used to pay hospitals nationwide for Medicare beneficiaries. He subsequently received his medical degree from the University of Vermont, and was an internal medicine house officer at the University of Rochester's Strong Memorial Hospital. He subsequently returned to Yale as a fellow in gastroenterology and devoted his research efforts to health services research, hospital financing, management, and quality; serving concomitantly as a fellow in a health systems management group at the Yale School of Organization and Management. He joined the faculty at the University of Michigan in 1985, with joint appointments in the Medical School and the School of Public Health.
Dr. McMahon has served on a number of important institutional committees including the Faculty Group Practice Board. He has served on research national committees in the fields of gastroenterology and health services research. He has also served on a number of editorial boards and remains active clinically and in the ongoing educational programs of the Department of Internal Medicine and the Medical School.
Education
M.D., University of Vermont, 1979
M.P.H., Yale School of Medicine, 1975
B.S., Chemistry, Carnegie-Mellon University, 1973
Research Interest & Projects
Dr. McMahon's research is focused in the area of small area variation in the use of hospital and health services, with particular attention to differences in care delivered to sociodemographic and racially diverse segments of our society. In addition, he has continued to develop systems to measure and manage hospital-based practices focusing on both utilization and the quality of care.
Selected Publications
Professional Affiliations
American Federation for Clinical Research
American College of Physicians
American Gastroenterology Association
American Public Health Association
Society for General Internal Medicine
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