OHSU Clinical Endocrinology Faculty

  • D. Lynn Loriaux, MD, PhD
    Interim Division Chief
    Professor of Medicine
    Division of Endocrinology, Diabetes and Clinical Nutrition, OHSU

  • Andrew Ahmann, MD
    Professor of Medicine
    Division of Endocrinology, Diabetes and Clinical Nutrition, OHSU
    Director: Harold Schnitzer Diabetes Health Center
  • Michael Bliziotes, MD
    Professor of Medicine
    Division of Endocrinology, Diabetes and Clinical Nutrition, OHSU
    OHSU/ VAMC
  • P. Bart Duell, MD
    Associate Professor of Medicine
    Division of Endocrinology, Diabetes and Clinical Nutrition, OHSU
  • Maria Fleseriu, MD
    Assistant Professor of Medicine
    Division of Endocrinology, Diabetes and Clinical Nutrition, OHSU


  • Farahnaz Joarder
    Assistant Professor of Medicine
    Division of Endocrinology, Diabetes and Clinical Nutrition, OHSU
  • Robert Klein, MD
    Professor of Medicine
    Division of Endocrinology, Diabetes and Clinical Nutrition, OHSU
    OHSU/VAMC
  • Bethany Klopfenstein, MD
    Assistant Professor of Medicine
    Division of Endocrinology, Diabetes and Clinical Nutrition, OHSU


  • Eric Orwoll, MD
    Professor of Medicine
    Director, Clinical Research Center
    Division of Endocrinology, Diabetes and Clinical Nutrition, OHSU
  • Jonathan Purnell, MD
    Associate Professor of Medicine
    Division of Endocrinology, Diabetes and Clinical Nutrition, OHSU
  • Matthew Riddle, MD
    Professor of Medicine
    Division of Endocrinology, Diabetes and Clinical Nutrition, OHSU
  • Mary Samuels, MD
    Professor of Medicine
    Division of Endocrinology, Diabetes and Clinical Nutrition, OHSU
    Associate Program Director, Clinical Research Center
  • Kathryn Schuff, MD
    Associate Professor of Medicine
    Division of Endocrinology, Diabetes and Clinical Nutrition, OHSU
    Clinical Research Compliance Manager, Clinical Research Center

  • Kenneth Ward, MD
    Associate Professor of Medicine
    Division of Endocrinology, Diabetes and Clinical Nutrition, OHSU
  • Chaim Vanek, MD
    Assistant Professor of Medicine
    Division of Endocrinology, Diabetes and Clinical Nutrition, OHSU

  • Kevin Yuen, MD
    Assistant Professor of Medicine
    Division of Endocrinology, Diabetes and Clinical Nutrition, OHSU