Digestive Health Center Staff

The Digestive Health Center staff includes physicians, nurses, and technicians specializing in digestive diseases and conditions. Their multidisciplinary approach creates a rich collaborative environment—a unique and empowering approach to health care.
If you need to reach a physician, make an appointment or speak with a patient care coordinator, contact the Digestive Health Center at 503 494-4373.

Physicians and Staff

Click on a name below to learn more about Digestive Health Center clinical staff:

Charles D. Blanke, M.D., F.A.C.P. - Hematology/Oncology

Lisa Bloker, R.N. - Digestive Health Center

Judith S. Carlson, R.N., B.S.N. - Director, Digestive Health Center, Medical & Surgical Specialty Clinics

Judith F. Collins, M.D. - Gastroenterology

Clifford W. Deveney, M.D., F.A.C.S. - General Surgery

Karen E. Deveney, M.D. - General Surgery

Douglas O. Faigel, M.D. - Gastroenterology

Susan Fee, N.P. - General Surgery

M. Brian Fennerty, M.D. - Gastroenterology

Erin Gilbert, M.D., M.C.R. - General Surgery

Daniel O. Herzig, M.D. - General Surgery

John G. Hunter, M.D., F.A.C.S. - General Surgery

Kandice L. Knigge, M.D. - Gastroenterology

David A. Lieberman, M.D. - Gastroenterology

Kim C. Lu, M.D. - General Surgery

Robert G. Martindale, M.D, Ph.D. - General Surgery

Samer G. Mattar, M.D., F.A.C.S. - Bariatric Surgery

Sean Orenstein, M.D. - General Surgery

Susan L. Orloff, M.D. - Hepatobiliary Surgery

David L. Scott, M.D. - Transplant/Hepatobiliary Surgery

Brett C. Sheppard, M.D. - General Surgery

Donn H. Spight, M.D. - General Surgery

Bruce M. Wolfe, M.D. - General Surgery

Atif Zaman, M.D., M.P.H. - Gastroenterology