TEL: 503-963-3030
FAX: 503-963-3140

“My goal is always to provide the best and most appropriate care to the individual patient. I believe this is accomplished by listening to and planning with the patient about what is best for that person, even at times when there are only limited options.”

Dr. Lefor graduated from Oregon Health & Science University (OHSU). He later completed his internship and residency in internal medicine at Virginia Mason Medical Center in Seattle. Dr. Lefor finished his pulmonary, critical care and sleep medicine fellowship at the University of Utah. Currently, he focuses on asthma, COPD and sleep disorders at The Oregon Clinic Pulmonary, Critical Care & Sleep Medicine East. Dr. Lefor is the Medical Director for The Oregon Clinic Sleep Laboratory. He is board certified in Critical Care Medicine, Internal Medicine, Pulmonary Medicine and Sleep Medicine East.


Fellowship, Pulmonary, Critical Care & Sleep Medicine, University of Utah, Salt Lake City, UT, 2002

Internship and Residency, Internal Medicine, Virginia Mason Medical Center, Seattle, WA, 1999

MD, Oregon Health & Science University, Portland, OR, 1996

BS, Biology, University of Portland, Portland, OR, 1989


Pulmonary Medicine

Critical Care Medicine

Sleep Medicine

Internal Medicine


Medical Director, The Oregon Clinic Sleep Laboratory, Gateway Building


Portland Monthly Magazine, “Top Doctors,” 2010, 2012, 2014, 2015, 2020, 2024