Steven Sandberg-Lewis

ND, DHANP

Hive Mind Medicine Co-Owner

Dr. Steven Sandberg-Lewis has been a practicing naturopathic physician since his graduation from the National University of Natural Medicine (NUNM) in 1978. He has been a professor since 1985, teaching a variety of courses but primarily focusing on gastroenterology and GI physical medicine. His private practice is at Hive Mind Medicine in Portland, Oregon. 

He is a popular international lecturer at functional medicine seminars, presents webinars and is frequently interviewed on issues of digestive health and disease. He is the author of the first book detailing the full scope of gastroesophageal reflux for all readers entitled Let’s Be Real About Reflux published in 2023 and the medical textbook Functional Gastroenterology: Assessing and Addressing the Causes of Functional Digestive Disorders, second edition, 2017. In 2010 he co-founded the SIBO Center at NUNM which was one of the first centers in the USA for Small Intestine Bacterial Overgrowth diagnosis, treatment, education and research. The SIBO center created a series of Symposia with researchers and clinicians on the forefront of key issue in irritable bowel syndrome and dozens of other associated conditions, In 2014 Dr. Sandberg-Lewis was named one of the “Top Docs” in Portland monthly magazine’s yearly healthcare issue and in 2015 was inducted into the OANP/NUNM Hall of Fame. In 2018 he became the first recipient of the Borborigmus award. This honor is given once a year to a naturopathic physician who has significantly contributed to the field of naturopathic medicine and/or naturopathic gastroenterology.  

Within gastroenterology, he has special interest and expertise in inflammatory bowel disease (including microscopic colitis), irritable bowel syndrome (including post-infectious IBS), Small Intestine Bacterial Overgrowth (SIBO), hiatal hernia, gastroesophageal and bile reflux (GERD), biliary dyskinesia, and chronic states of nausea and vomiting.

Many of the patients referred to Dr. Sandberg-Lewis have digestive conditions that have defied diagnosis and effective resolution. Often these patients desire naturopathic treatment options in lieu of the courses of treatments they have previously undergone. He understands the diseases of the gastrointestinal tract, but also can assess function and often find successful treatments to regain a balance in the digestive system.

Dr. Sandberg-Lewis lives in Portland with his wife, Kayle. His interests include mandolin, guitar and voice; bicycling; birds; writing and lecturing.

Work with Dr. Sandberg-Lewis