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
Election Day November 7, 2017 (desk open 12pm to 5pm)
Thanksgiving November 23-26, 2017
Christmas December 22-25, 2017
New Year's Day December 29, 2017 - January 1, 2018
Martin Luther King, Jr.'s Birthday January 15, 2018
President's Day February 19, 2018
Memorial Day May 28, 2018
Independence Day July 4, 2018

Scheduled Cleaning

The Knowledge Center closes one Friday each month for cleaning.

Friday November 17, 2017
Friday December 22, 2017
Friday January 12, 2018
Friday February 23, 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.