Eric Yarnell, ND

Current Roles

Eric Yarnell is a core faculty member in the Department of Botanical Medicine and a clinical supervisor at Bastyr Center for Natural Health. He is also president of Heron Botanicals, president of the Botanical Medicine Academy in Seattle and chief financial officer of Healing Mountain Publishing. Dr. Yarnell has also published and co-authored numerous books and articles.


  • ND from Bastyr University in 1996
  • BS from Bastyr University in 1994

Past Experience

Dr. Yarnell has completed a Bastyr University faculty seed grant researching the differences in medicines made from fresh versus dried herbs He completed a Basic Clinical Methods Research Certificate from University of Washington in 2009 as part of an R25 curriculum development grant awarded to Bastyr University by the National Institutes of Health.
He is also the former chair of the department of botanical medicine at Southwest College of Naturopathic Medicine. He completed a residency with Silena Heron, ND, in Arizona, and is the former senior editor of the Journal of Naturopathic Medicine.

Classes Taught

Gastroenterology; Urology; Pharmacognosy; Introduction to Herb-drug Interactions; Medicinal Field Botany; Integrative Case Studies; Integrative Therapeutics; Southwest Herb Experience.


Dr. Yarnell's clinical work specializes in men’s health, urology, nephrology, gastroenterology and botanical medicine. Dr. Yarnell is has a special interest in foreign languages, kung fu, native plants, writing and changing the world

He was awarded a sabbatical from teaching for the 2013-2014 school year during which time he is completing several textbooks and a faculty seed grant researching use of herbs for kidney disease in ancient Greek medicine in collaboration with the Institute for Preservation of Medical Traditions.


Dr. Yarnell applies the Socratic method and uses interactive approaches in his teaching. In treating patients, he employs a comprehensive naturopathic approach with heavy reliance on botanical medicine.


Portrait of Eric Yarnell, ND
Eric Yarnell ND
School of Naturopathic Medicine
Department of Botanical Medicine