Steven Sandberg-Lewis Heashot while wearing glasses, a suit, and a bowtie with gree trees and plants in the background

Steven Sandberg-Lewis, ND, DHANP


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 clinical and didactic professor since 1996, focusing on pathology, gastroenterology and GI physical medicine. His private practice is at Hive Mind Medicine in Portland, Oregon.

Sandberg-Lewis is a popular international lecturer at functional medicine seminars, and webinars and is frequently interviewed on issues of digestive health and disease.

His medical textbook is Functional Gastroenterology: Assessing and Addressing the Causes of Functional Digestive Disorders, Second edition, 2017. His newest book, Let’s Be Real About Reflux: Getting to the Heart of Heartburn, is written for both health practitioners and patients. It is a deep dive into underlying mechanisms and natural treatment of gastroesophageal reflux.

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


  • Gastroenterology Block
  • Gastroenterology Lab
  • Advanced Gastroenterology
  • The Liver in Health and Disease