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Nancy Haff
Primary Care Physician at Massachusetts General Hospital
Dr. Nancy Haff, MD, MPH, is a board-certified internist and primary care physician affiliated with Massachusetts General Hospital (MGH) in Boston, Massachusetts. She is also an instructor in Medicine at Harvard Medical School and an Associate Epidemiologist at Brigham and Women’s Hospital. Dr. Haff specializes in internal medicine with clinical interests in adult primary care, general internal medicine, and the prevention and management of cardiometabolic diseases.
Education and Training
- Undergraduate: Bachelor of Arts in Psychology and Spanish, Magna Cum Laude, Williams College (2004–2008).
- Medical School: Doctor of Medicine (MD), University of Pennsylvania Perelman School of Medicine (2010–2014).
- Residency: Internal Medicine at Massachusetts General Hospital (2014–2017).
- Fellowship: Health Services and Implementation Research at Brigham and Women’s Hospital (2020).
- Public Health: Master of Public Health (MPH), Harvard T.H. Chan School of Public Health (2017–2020).
Professional Roles
- Primary Care Physician, MGH Bulfinch Medical Group (2017–Present).
- Instructor in Medicine, Harvard Medical School (2017–Present).
- Associate Epidemiologist, Division of Pharmacoepidemiology and Pharmacoeconomics, Brigham and Women’s Hospital.
- Core Research Faculty, Center for Healthcare Delivery Sciences, Brigham and Women’s Hospital.
Research Focus
Dr. Haff has co-authored over 40 peer-reviewed publications, focusing on clinical inertia, medication adherence, health behavior change, and the implementation of evidence-based practices in primary care.
Languages
Dr. Haff is fluent in English and Spanish.
Locations
- Mass General Bulfinch Medical Group: 50 Staniford St., Boston, MA.
- Mass General Medicine Unit: 55 Fruit St., Boston, MA.
Dr. Haff is highly regarded for her professionalism, patient-centered care, and contributions to medical research.

