GASTROENTEROLOGY

Our Doctors & Staff

Our providers and staff come from diverse backgrounds, but are united in their commitment to deliver evidence-based, high quality care covering the full scope of digestive and liver diseases. ​​​​


Rob Lerrigo, MD

 

ROBert LERRIGO, MD

Associate Chief of Gastroenterology and Hepatology
Director of Endoscopy
Clinical Assistant Professor (affiliated), Stanford University School of Medicine

Dr. Lerrigo received his medical degree from the University of California, San Francisco School of Medicine. He completed his internal medicine residency at the University of Washington Medical Center in Seattle, Washington. He completed gastroenterology fellowship at the Stanford University Medical Center, where he served as chief fellow during his final year of training. He subsequently joined the division of gastroenterology at Santa Clara Valley Medical Center in 2019.​

    Dr. Lerrigo’s clinical interests include inflammatory bowel diseases, specifically Crohn’s disease and ulcerative colitis, and fecal microbiota transplantation (stool transplant). He is also interested in general gastroenterology/hepatology, which includes such disorders as gastroesophageal reflux disease, irritable bowel syndrome, fatty liver disease, and colon cancer prevention. Dr. Lerrigo considers himself a patient advocate and is involved in patient education initiatives. His research interests include digital health innovation and using technology to better communicate with and educate patients. Dr Lerrigo is passionate about medical education and serves as an instructor for the Stanford gastroenterology fellows and medicine residents from Stanford and Santa Clara Valley Medical Centers. He is a member of the Crohn’s and Colitis Foundation, American Gastroenterology Association, American College of Gastroenterology, and the American Society of Gastrointestinal Endoscopy​.


    No Photo available

     

    DAVID LIN, MD

    Associate Chief of Gastroenterology and Hepatology
    Director of Motility Services
    Clinical Assistant Professor (affiliated), Stanford University School of Medicine

    ​Dr. Lin graduated from Northwestern University's Feinberg School of Medicine and then completed his internal medicine residency at Stanford University. He then did his gastroenterology fellowship at the University of California at Irvine where he was selected as a chief fellow, working with leadership on curriculum, program structure, recruitment, and scheduling. He also received specialized motility training at Washington University in St. Louis under the auspices of the American Neurogastroenterology and Motility Society. ​


    Jason Williams, MD MPH

     

    JASON WILLIAMS, MD MPH

    Associate Chief of Gastroenterology and Hepatology
    Clinical Assistant Professor (affiliated), Stanford University School of Medicine

    ​Dr. Williams received his medical degree from Duke University School of Medicine and completed his residency at Stanford University School of Medicine. He completed his fellowship at Oregon Health and Science University and also obtained a Master's degree in Public Health from the University of North Carolina at Chapel Hill. He is board certified in Gastroenterology.

      ​Dr. Williams joined Santa Clara Valley Medical Center's Gastroenterology Division in 2011.  He practices general gastroenterology but has specific interests in colon cancer, chronic liver disease, medical informatics, quality improvement within healthcare as well as preventive care. Dr. Williams has several publications within his areas of interest and has presented his research at national meetings. A few of his honors include being selected as a Duke University Scholar, a Duke University Hospital Service Champion Award as well as a Santa Clara Valley Medical Center Customer Service Award.​


      ANNIE DING, NP

       

      ANNIE DING, NP 

      ​Annie Ding is a nurse practitioner at VSC Gastroenterology who has been part of the team since 2016. Her journey at SCVMC began in high school, when she spent time as a volunteer in the gift shop, and eventually as a volunteer in the burn center. She holds a Bachelor's degree in Molecular and Cell Biology from UC Berkeley and a Bachelor's and Master's degree in Advanced Practice Nursing from Columbia University in the City of New York.

        ​Prior to joining VSC Gastroenterology, Annie worked in in private practice Primary Care. In her free time, she enjoys being physically active, spending time with her friends and family, and making ice cream.


        MICHELLE TOSCANO, PA MPH

         

        MICHELLE TOSCANO, PA MPH 

        ​Michelle Toscano a physician assistant with the division of gastroenterology and hepatology. She received both an MSPAS and MPH from Touro University. She has previously worked in a variety of settings, with particular experience in women's health and Obstetrics and Gynecology.  Michelle is fluent in Spanish.​

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