Dr. Steven Sandberg-Lewis

Steven Sandberg-Lewis, ND, DHANP is a practitioner of Naturopathic gastroenterology. He has been in practice for over 40 years and in 1996 he joined the full-time faculty of the National University of Natural Medicine (NUNM) in Portland, Oregon. Now adjunct faculty, he continues to engage in patient care 3 days per week and is a key professor in the Gastroenterology Block Course and teaches several electives including Gastroenterology Laboratory, Advanced Gastroenterology and The Liver in Health and Disease. Dr. Sandberg-Lewis supervises the Gastroenterology Mentor Shift, giving student doctors the chance to work with patients suffering from complex digestive disorders in an off-campus small practice setting.

Areas of special clinical and research focus include irritable bowel syndrome, SIBO, GERD, hiatal hernia, inflammatory bowel disease (including microscopic colitis), biliary dyskinesia, the sterolbiome, gastroparesis and chronic nausea/vomiting.

Dr. Steven Sandberg-Lewis (SS-L) is a renowned presenter at educational seminars around the U.S. and beyond. He has authored or co-authored multiple articles and webinars. SS-L is frequently interviewed on digestive health topics. He has a regular column entitled ‘Functional Gastroenterology Bolus’ in the Townsend Letter. In 2017 he wrote the updated second edition of his Textbook Functional Gastroenterology (available through amazon.com and major booksellers.)