Gastrointestinal Surgery at Parnassus

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Gastrointestinal (GI) Surgery at Parnassus takes care of patients with diseases of the gastrointestinal tract. This includes cancers and benign conditions of the esophagus, liver, spleen, bile ducts, pancreas, stomach and gallbladder. UCSF is a high volume center for GI surgery with excellent outcomes for patients. Most surgeries are performed laparoscopically, using minimally invasive techniques that UCSF helped pioneer.

Individualized care is a hallmark of the program. Patients receive state-of-the-art multidisciplinary care from a team that includes a gastrointestinal surgeon working in collaboration with other specialists such as gastroenterologists and thoracic surgeons.

Request an Appointment

Appointment form is on UCSF Department of Surgery website.

Getting Here

Gastrointestinal Surgery at Parnassus
400 Parnassus Ave., Sixth Floor
San Francisco, CA 94143-0388
Phone: (415) 353-2161
Fax: (415) 353-2505

Hours: Monday to Friday
8 a.m. – 4:30 p.m.

What to Bring

  • Health insurance information including authorizations or referrals
  • List of prescription medications and dosages
  • List of medications that you're allergic to
  • List of questions you may have
  • Recent test results related to your condition
  • Paper and pencil to take notes

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

Research and Clinical Trials


Parking at Parnassus

Public parking for an hourly fee at UCSF Medical Center is available in the seven-level Millberry Union Garage at 500 Parnassus Ave. There are two garage entrances — one on the north side of Parnassus Avenue and another on Irving Street, just east of Third Avenue.

Another garage with an hourly fee, at 350 Parnassus Ave., is open Monday to Friday from 6 a.m. to 10 p.m.

Metered street parking is rarely available.

Patients being admitted to the hospital may be dropped off at the circular driveway leading to the main entrance at 505 Parnassus Ave. This area also may be used to pick up patients who are being discharged.

For more information about parking at Parnassus, call Campus Parking Services at 476-2566.

Valet Parking Service

Valet parking service is available at the Ambulatory Care Center (ACC) at 400 Parnassus Ave. from 8 a.m. to 3 p.m. The valet service is free but patients must pay regular parking fees. For more information about the valet service, call (415) 476-6200.

A UCSF "greeter" also is available at the ACC from 8 a.m. to 5 p.m. to assist patients find their way.

Public Transportation


UCSF Medical Center is accessible via Muni streetcar line N-Judah*, which stops at Second Avenue and Irving Street, and the following Muni bus lines, which stop in front of the hospital:

  • 43-Masonic*
  • 6-Parnassus

For more information about Muni visit,

* Wheelchair accessible bus routes

Related Information

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Clinics & Centers

Our Team

Hobart Harris
Hobart Harris, MD, MPH
Gastrointestinal surgeon
Jonathan Carter
Jonathan Carter, MD
Bariatric and general surgeon
Tammy T Chang
Tammy T. Chang, PhD, MD
Gastrointestinal surgeon
Carlos Corvera
Carlos Corvera, MD, FACS
Gastrointestinal cancer surgeon
Carter Lebares
Carter Lebares, MD
Gastrointestinal surgeon
Matthew Lin
Matthew Lin, MD
Gastrointestinal surgeon
Eric Nakakura
Eric Nakakura, MD, PhD
Gastrointestinal cancer surgeon
Stanley Rogers
Stanley Rogers, MD
Bariatric and laparoscopic surgeon
Robert Warren
Robert Warren, MD
Gastrointestinal cancer surgeon