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Gastrointestinal Surgery and Oncology Clinic

The team of experts at the UCSF Gastrointestinal Surgery and Oncology Clinic provide the most advanced and effective treatments available for benign and cancerous gastrointestinal conditions.

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These include benign and cancerous conditions of the:

  • Anus
  • Colon
  • Bile duct
  • Esophagus
  • Gallbladder
  • Liver
  • Pancreas
  • Peritoneal cavity
  • Rectum
  • Small intestine
  • Spleen
  • Stomach
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Getting Here

Gastrointestinal Surgery and Oncology Clinic
1600 Divisadero St., Fourth Floor
San Francisco, CA 94143-1705
Phone: (415) 353-9888
Fax: (415) 353-9931

Hours: Monday to Friday
8 a.m. – 5 p.m.

Access Your Health Information Online

This clinic uses UCSF MyChart, an online patient service. Message your provider, request medication refills, view some test results and more.

Learn more about UCSF MyChart


Parking at Mount Zion

Public parking is available in two parking garages near our Mount Zion campus. One is a UCSF garage at 2420 Sutter St.and the other is a public garage at 1635 Divisadero St. Entrances to both garages are on Sutter Street, between Divisadero and Broderick streets.

The 2420 Sutter St. garage is open 6 a.m. to 10 p.m., Monday to Friday, and closed on weekends and UCSF holidays. The rate is $6 an hour with a $30 daily maximum. Those with a valid disabled placard may have their parking fee waived by obtaining a parking voucher from their clinic or the lobby information desk at 1600 Divisadero Street. Present the voucher, your disabled parking placard and your garage receipt to the cashier.

For more information about parking in the 2420 Sutter St. garage, call (415) 514-8935.

The public parking lot at 1635 Divisadero St. garage is open from 5:30 a.m. to 9 p.m., Monday to Friday, and closed on weekends and major holidays. The rate is $2 each 20 minutes with a $28 daily maximum. UCSF parking vouchers are not valid at the 1635 Divisadero St. garage.

For more information about the public parking lot in the 1635 Divisadero St. garage, call (415) 441-5408 or visit

Other public parking garages are available nearby.

Metered street parking is rarely available.

Public Transportation

Mount Zion

UCSF Medical Center at Mount Zion is accessible via the following Muni bus routes:

  • No. 2*
  • No. 38*
  • No. 24

The No. 1 California bus route stops at the corner of California and Divisadero streets, which is three blocks north of Mount Zion.

For more information about Muni, visit

* Wheelchair accessible bus routes

UCSF Shuttles

Free UCSF shuttles travel between the Parnassus and Mount Zion campuses as well as other UCSF locations.

For more information about UCSF transportation, please call (415) 476-1511.

Related Information

Ways to Give

Clinic Team

Chloe Atreya
Dr. Chloe Atreya,
gastrointestinal cancer specialist
Emily Bergsland
Dr. Emily Bergsland,
gastrointestinal cancer specialist
Carlos Corvera
Dr. Carlos Corvera,
gastrointestinal cancer surgeon
R. Kate Kelley
Dr. R. Kate Kelley,
gastrointestinal cancer specialist
Andrew Ko
Dr. Andrew Ko,
colorectal and gastrointestinal cancer specialist
Michael Korn
Dr. Michael Korn,
gastrointestinal cancer specialist
Eric Nakakura
Dr. Eric Nakakura,
gastrointestinal cancer surgeon
Margaret Tempero
Dr. Margaret Tempero,
gastrointestinal cancer specialist
Katherine Van Loon
Dr. Katherine Van Loon,
gastrointestinal cancer specialist
Alan Venook
Dr. Alan Venook,
gastrointestinal cancer specialist
Robert Warren
Dr. Robert Warren,
gastrointestinal cancer surgeon
Elizabeth Dito
Elizabeth Dito,
research nurse
Alisa Yee
Alisa Yee,
nurse practitioner
Jill  Meyers
Jill Meyers,
clinical social worker

Patient Experiences

Cancer Center Orientation