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​Hotel reservations, changes, and cancellations are no longer being accepted online for the 2015 Gastrointestinal Cancers Symposium.  

To change or cancel an existing reservation, please contact the hotel directly at the phone number listed below. 

To make a new hotel reservation, please contact one of the following hotels to inquire about availability. The special meeting attendee room rate is subject to availability and guest rooms are available on a limited basis. 
San Francisco Marriott Marquis 
780 Mission Street, San Francisco, CA 94103
Phone: (415) 896-1600

Courtyard San Francisco Downtown
299 2nd Street, San Francisco, CA 94105, 
Phone: (415) 947-0700

Hotel Adagio
550 Geary Street, San Francisco, CA 94102
Phone: (415) 775-5000

Intercontinental Hotel San Francisco
888 Howard Street, San Francisco, CA 94103, 
Phone: (415) 616-6500

Intercontinental Mark Hopkins
999 California Street, San Francisco, CA 94108
Phone: (415) 392-3434

Marriott Union Square San Francisco
480 Sutter Street, San Francisco, CA 94108
Phone:  (415) 398-8900

Palace Hotel San Francisco
2 New Montgomery Street , San Francisco, CA 94105 
Phone: (415) 512-1111

W San Francisco
181 Third Street, San Francisco, CA 94103
Phone:  (415) 777-5300 

Westin San Francisco Market Street
50 Third Street, San Francisco, CA 94103
Phone: (415) 974-6400

Wyndham Park 55 San Francisco
55 Cyril Magnin Street, San Francisco, CA 94102
Phone: (415) 392-8000

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Customer Service Center Hours
Monday - Friday, 8:30 AM - 5:00 PM Eastern Time
 
Contact Us | Privacy Policy

Gastrointestinal Cancers Symposium Customer Service Center
11208 Waples Mill Road, Suite 112 Fairfax, VA 22030
Phone: 888-788-1522 (within the U.S.) or +1-703-449-6418 (outside the U.S.)
Fax: 703-563-2715
Registration Email: giregistration@jspargo.com | Hotel Reservations Email: gihousing@jspargo.com