UCSF Health
![Bruce Wang](/sites/gastroenterology.ucsf.edu/files/Bruce.Wang.jpeg)
Bruce Wang, MD
Associate Professor
Michael Whang, PhD
Visitor
![Francis Yao, MD](/sites/gastroenterology.ucsf.edu/files/Francis.Yao.jpeg)
Francis Yao, MD
Professor
Najwa El-Nachef, MD
Professor
![Jody Baron](/sites/gastroenterology.ucsf.edu/files/Jody.Baron.jpeg)
Jody Baron, MD, PhD
Professor
![Mustafa Arain](/sites/gastroenterology.ucsf.edu/files/Mustafa.Arain.jpeg)
Mustafa Arain, MD
Professor
![David Wofsy](/sites/gastroenterology.ucsf.edu/files/David.Wofsy.jpeg)
David Wofsy, MD
Professor Emeritus
![Wayne Steward](/sites/gastroenterology.ucsf.edu/files/Wayne.Steward.jpeg)
Wayne Steward, PhD, MPH, BA
Professor
![Timothy Henrich, MD](/sites/gastroenterology.ucsf.edu/files/Timothy.Henrich.jpeg)
Timothy Henrich, MD
Professor