Steven Sandberg-Lewis, ND

Naturopathic Gastroenterology

Physician, Professor, Clinical Supervisor, International Lecturer, Author

For appointments call 503-224-0443

Hive Mind Medicine

520 SW 6th Ave. Suite 830

Portland, Oregon 97204


Physician, Professor, Clinical Supervisor, International Lecturer, Author

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 and major booksellers.)


Contact Me

My private practice is at Hive Mind Medicine in the historic Cascade building in downtown Portland, Oregon. Hive Mind Medicine is a collaborative practice with a focus on mutual respect and a positive work environment. It includes other physicians, therapists, acupuncturists, nutritionists and bodyworkers.

520 SW 6th Avenue, Suite 830

Portland, Oregon 97204

Tel: 503-224-0443
Fax: 833-903-0108

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