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Tammy T. Chang


Gastrointestinal surgeon
Surgeon-scientist and liver tissue engineer

About me

Dr. Tammy T. Chang is a surgeon who specializes in gastrointestinal conditions as well as urgent conditions requiring prompt treatment.

Chang directs a research laboratory that focuses on liver tissue engineering and regenerative surgical therapies, which stimulate the formation of new tissue.

Chang earned her combined medical and doctoral degrees at Harvard Medical School. She completed her general surgery residency at UCSF, followed by her fellowship in minimally invasive gastrointestinal surgery.

  • Education

    Harvard Graduate School of Arts and Sciences , Ph.D., Immunology , 2003

    Harvard School of Medicine, 2003

  • Residencies

    UCSF , General Surgery, 2010

  • Fellowships

    UCSF , Advanced GI Minimally Invasive/Bariatric Surgery Fellowship, 2011

  • Board Certifications

    Surgery, American Board of Surgery

  • Academic Title

    Associate Professor

My goals are to treat surgical diseases using the tools of today and to develop the novel surgical treatments that will be used tomorrow.

Gastrointestinal Surgery at Parnassus

400 Parnassus Ave., Second Floor
San Francisco, CA 94143

Selected research