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U.S. Department of Health & Human Services

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Visit the National Library of Medicine

Front of the National Library of Medicine building

Library Hours

  • Main Reading Room Hours: Monday - Friday, 8:30 a.m. - 5:00 p.m.
  • Visitors Center Hours: Monday - Friday, 9:00 a.m. - 4:00 p.m.
  • The Reading Rooms and Visitors Center are closed on Federal holidays.

Coming to NLM

Researching at NLM

Lister Hill Center Sculpture

Visiting NLM and the NIH Campus

When you visit NLM on the NIH Campus, you should follow the procedures regarding Campus Access and Security.

  • Contact security at (301) 496-6010
  • Inquire about lost and found items at any of the guard stations in Building 38

Making the Most of Your Visit

Visitors at the History of Medicine Reading Room

Exploring the History of Medicine at NLM and Beyond

At NLM:

Beyond NLM:

Last Reviewed: February 6, 2019