Dr. Sara Lewin is a gastroenterologist who specializes in caring for patients with inflammatory bowel diseases.  In addition to evaluating patients in the clinic, she performs procedures including upper endoscopy, colonoscopy, capsule endoscopy,  and double-balloon enteroscopy. She is the associate program director for the GI fellowship, the director of the inpatient consult service, and co-chair of the Endoscopy Governance Council at UCSF Health.

Dr. Lewin's research interests include improving care for hospitalized patients with gastrointestinal illnesses and the complications of inflammatory bowel disease. She is the site principal investigator for a number of industry-sponsored clinical trials at the UCSF Crohn's and Colitis Center.

Dr. Lewin earned her medical degree at UCSF, where she then completed a residency in internal medicine, followed by fellowships in gastroenterology and inflammatory bowel disease.