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Betsy L. Humphreys, Deputy Director, National Library of Medicine

Betsy Humphreys

Deputy Director, National Library of Medicine

National Library of Medicine
National Institutes of Health
Bldg. 38, Room 2E17A
8600 Rockville Pike
Bethesda, MD 20894

(301) 496-6661 (voice)
(301) 480-3271 (fax)

Electronic mail:



Betsy L. Humphreys was appointed the National Library of Medicine’s (NLM) Deputy Director in 2005. From April 1, 2015 - August 14, 2016, she also served as NLM's Acting Director. NLM is one of the 27 Institutes and Centers that comprise the National Institutes of Health. As Deputy Director, Humphreys shares responsibility with the Director for overall program development, program evaluation, policy formulation, direction and coordination of all Library activities. She also coordinates NLM's extensive activities related to health data standards, serving as US Member and founding Chair of the General Assembly of the International Health Terminology Standards Organisation. She has contributed to the development of NIH and HHS policy on a range of matters, including health information technology, public access to research results, clinical trial registration and results reporting, and data science.

Humphreys, who joined the NLM in 1973, previously led the NLM’s Library Operations Division and directed the Unified Medical Language System (UMLS) project, which produces knowledge sources to support advanced processing, retrieval, and integration of information from disparate electronic information sources.

Ms. Humphreys is an elected member of the National Academy of Medicine (previously the Institute of Medicine of the National Academy of Sciences), a Fellow of the American College of Medical Informatics, and a Fellow of the Medical Library Association. She is the recipient of a number of awards, including the Morris F. Collen Award of Excellence from the American College of Medical Informatics, considered the highest honor in the field of medical informatics, the Marcia C. Noyes Award, which is the Medical Library Association's highest honor, the first Cornerstone Award conferred by the Association of Academic Health Sciences Libraries, and the President’s Meritorious Rank Award, Senior Executive Service.

She received a B.A. from Smith College, which awarded her the Smith College Medal in 2012,, and an M.L.S. from the University of Maryland, College Park.

Ms. Humphreys presents and publishes widely. A selected bibliography is available.