Director, Geriatric Medicine Fellowship Program

Clinical Director of Geriatric Operations, Vanderbilt University Hospital

Co-PI, Middle Tennessee Geriatric Workforce Enhancement Program

Tennessee Valley VA Geriatric Research, Education and Clinical Center

Critical Illness, Brain dysfunction, and Survivorship (CIBS) Center

Assistant Professor of Medicine
Geriatric Medicine

Professional Bio

Mariu Duggan, MD, MPH is Assistant Professor in Medicine in the Division of Geriatrics and an investigator in the Geriatric Research, Education, and Clinical Center (GRECC) at the Department of Veterans Affairs Medical Center, Tennessee Valley Healthcare System, Nashville, Tennessee. She graduated from Harvard University and earned her medical degree from Vanderbilt University School of Medicine in Nashville. She completed an internal medicine residency at Vanderbilt and a clinical geriatrics fellowship at the University of Alabama at Birmingham. She completed an advanced geriatrics research fellowship at the GRECC in Nashville and a Masters of Public Health in Epidemiology at Vanderbilt School of Public Health. Dr. Duggan's research interests include geriatric critical care, quality of life in survivors of critical illness, and geriatric education for medical trainees.


MPH - Vanderbilt - 2016
MD - Vanderbilt - 2010
Residency - Internal Medicine - Vanderbilt - 2013
Fellowship - Geriatric Medicine - Univ of Alabama - 2014
Fellowship - Advanced Geriatrics - Veterans Administration - 2016