David S. Greenstein, M.D.
B.S. University of Pennsylvania, Philadelphia, PA – 1987
M.D. University of Pennsylvania Medical School, Philadelphia, PA – 1991
Internship: Internal Medicine, Massachusetts General Hospital,
Boston, MA –1991-1992
Residency: Dermatology, Boston University/Tufts University,
Boston, MA –1992-1995
Assistant Clinical Professor, Tufts University School of Medicine
American Board of Dermatology
Dr. Greenstein supervises NEDA's Clinical Trials in Beverly.
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