Gastroenterology Specialists of Oregon, P.C.

Pay Your Bill Online



Search the Site for:
March is Colon Cancer Awareness Month. When detected early, 90% of colorectal cancer is curable. Click here to schedule your screening or phone consulation.
Topic Search

I would like more information on a specific gastroenterology disease.

Select from the list below:




I am curious about general GI information.

Select from the list below:




I would like more information on special diets.

Select from the list below:




I would like more information on a procedure.

Select from the list below:




Oregon City
1508 Division St., Suite 15
Oregon City, OR 97045

Tualatin
19250 SW 90th Ave.
Tualatin, OR 97062

Newberg
1003 Providence Dr., Suite 110
Newberg, OR 97132

Or, call us at (503) 692-3750.

More contact info and clinic hours >



Jeffrey M. Douglass



Dr. Douglass was raised in southwest Portland and received his undergraduate degree in biology at Pacific Lutheran University. He earned his medical degree at Oregon Health & Science University (OHSU), where he also completed an internal medicine internship and residency. He completed a three-year gastroenterology fellowship at the University of New Mexico, Albuquerque.

Before joining Gastroenterology Specialists of Oregon, Dr. Douglass conducted research on ethnicity and hepatitis C cure rates with Pegylated Interferon and Ribavirin. He also conducted an analysis of endoscopy for iron deficiency anemia. He has been nominated by patients for four Rose Awards for outstanding patient care at OHSU.

When away from work, Dr. Douglass enjoys spending time with his wife and their five children. He is active in his church and also enjoys cycling and fly fishing.