The Health Sciences Library's Information Desk is located within the Knowledge Center on the lobby level of the Hammer Building.

Service Desk Hours
 Monday - Thursday  9 am to 7 pm
 Friday  9 am to 5 pm
 Saturday  CLOSED
 Sunday  Noon to 8 pm

15 minutes before closing time all circulation transactions should be completed.

The Knowledge Center space will remain open for 24-hour access to CUMC students, faculty, and staff only. At the end of staffed hours, library staff will check IDs. Knowledge Center guests without a CUMC ID will be asked to leave. CUMC patrons will have after-hours access via card swipe.

The Columbia University Libraries website has a calendar view for the other library location hours.

Holiday Closings

The service desk will be closed on the following holidays for the 2017/2018 academic year.  The Knowledge Center space will remain accessible via card swipe to CUMC students, officers, and full-time staff.

Labor Day September 3-4, 2017
Thanksgiving November 23-26, 2017
Christmas December 24-26, 2017
New Year's Day December 31, 2017 - January 2, 2018
Martin Luther King, Jr.'s Birthday January 14-15, 2018
President's Day February 18-19, 2018
Memorial Day May 27-28, 2018
Independence Day July 4, 2018

Interlibrary Loan (ILL)

Monday - Friday, 9am to 5pm.

Archives & Special Collections

Monday - Friday, 9:15am to 4:45pm, by appointment only. Telephone and email reference is available. Please contact the Archives & Special Collections at hslarchives@columbia.edu for more information.