Our Providers

Alan Chang, MD
Alan Chang, MD
  • Medical School: University of Hawaii
  • Residency: St. Vincent Hospital
    (Worcester, MA)
  • Fellowship: University of Connecticut

Joined Northwest Gastroenterology in 1998

Barry Levenson, MD
Barry Levenson, MD

  • Medical School: McGill University
  • Residency: University of California – San Diego
  • Fellowship: Harvard-New England Deaconess Hospital/Lahey Clinic

Joined Northwest Gastroenterology in 1991

Kelly McCullough, MD
Kelly McCullough, MD
  • Medical School: University of Washington
  • Residency: University of Washington
  • Fellowship: University of Washington

Joined Northwest Gastroenterology in 2005

Gregory Munson, MD
Gregory Munson, MD
  • Medical School: University of Chicago
  • Residency: Vanderbilt University
  • Fellowship: Mayo Clinic Rochester

Joined Northwest Gastroenterology in 2011

Christoph Reitz, MD
Christoph Reitz, MD
  • Medical School: University of Heidelberg
  • Residency: Beth Israel
  • Fellowship: Albany Medical College

Joined Northwest Gastroenterology in 2001

James Schoenecker, Jr, MD
James Schoenecker, Jr, MD
  • Medical School: University of Texas – Houston
  • Residency: University of Texas affiliated hospitals
  • Fellowship: University of Texas – College Branch

Joined Northwest Gastroenterology in 2006

Hannah Sheinin, MD
Hannah Sheinin, MD
  • Medical School: University of Alberta
  • Residency: University of Alberta
  • Fellowship: University of Louisville

Joined Northwest Gastroenterology in 2009

Benjamin Siemanowski, MD
Benjamin Siemanowski, MD
  • Medical School: Jefferson Medical College – Philadelphia
  • Residency: University of Utah Affiliated Hospitals
  • Fellowship: University of Pittsburgh Medical Center

Joined Northwest Gastroenterology in Sept 2015

Todd Witte, MD
Todd Witte, MD
  • Medical School: Medical College of Virginia
  • Internship: Lehigh Valley Hospital
  • Residency: George Washington University
  • Fellowship: George Washington University

Joined Northwest Gastroenterology in 2007

Jody Bauer, ARNP
Jody Bauer, ARNP
  • Training: ARNP, Seattle Pacific University

Joined Northwest Gastroenterology in 2015

Kay Gentry, ARNP
Kay Gentry, ARNP
  • Training: ARNP, University of Alabama at Birmingham

Joined Northwest Gastroenterology in 2016

Darla Woolman, PA-C
Darla Woolman, PA-C
  • Training: PA, University of So California, Keck School of Medicine

Joined Northwest Gastroenterology in 2016

Alan Chang, Barry Levenson, Kelly McCullough, Gregory Munson, Christoph Reitz, James Schoenecker Jr, Hannah Sheinin, Benjamin Siemanowski, Todd Witte, Liz Waltman, Jody Bauer