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About Us

James J. Knackstedt, M.D.

James J. Knackstedt, M.D.

Born and raised in Western Nebraska, Dr. Knackstedt began practicing medicine in Eugene, Oregon in 1986 at the Eugene Hospital and Clinic, where he also served as Chairman of the Board of Directors for 5 years.
He entered private practice in 1992, and co-founded Oregon Ear, Nose
and Throat PC.

He practices all phases of Otolaryngology, Head and Neck Surgery, and enjoys a mix of adult and pediatric patients. He has a special interest and emphasis in sinus disease and minimally invasive sinus surgery, including Balloon Sinuplasty. Besides his main office in Eugene, he also has an outreach office in Florence, OR.

Dr. Knackstedt endeavors to help his patients understand the cause of the problems they are facing as well as the available treatment options, and facilitates their participation in the decision making for their care.

Since moving to Eugene, he has enjoyed raising his three sons, participating in community activities, sponsoring events at the SHEDD Institute for the Arts, attending U of O athletic events, and hiking the trails
of the Oregon coast and the Cascades.

Areas of Specialization
General Ear, Nose and Throat (Adult and Pediatric)
Sinus Surgery and Balloon Sinuplasty
Sinus surgery utilizing Image-Guided Navigation

Regis University, Denver, Colorado, 1977
University of Nebraska School of Medicine, Omaha, Nebraska, 1981

Internship & Residency
Truman Medical Center, Kansas City, Missouri, (general surgery) 1981-1983
University of Utah School of Medicine, Salt Lake City, Utah, (specialty training) 1983-1986

Board Certification
American Board of Otolaryngology/Head & Neck Surgery

American Academy of Otolaryngology, Head and Neck Surgery
Oregon Medical Association
Lane County Medical Society

Sacred Heart Medical Center, Riverbend, Springfield, Oregon
McKenzie Willamette Hospital, Springfield, Oregon
McKenzie Surgery Center, Eugene, Oregon
Peace Harbor Hospital, Florence, Oregon

Special Procedures & Techniques
Minimally invasive sinus surgery, including Balloon Sinuplasty
In-office Balloon Sinuplasty


Susan Detels, Au.D.

Susan Detels, Au.D.

Susan L. Detels, Au.D., is our Audiologist. She is certified by the American Speech, Language and Hearing Association (ASHA), and is a fellow of the American Academy of Audiology (AAA). She received her M.S. from California State University, Northridge, in 1992 and her Au.D. from A.T. Still University, Arizona School of Health Sciences, in 2006. She has been an audiologist in Eugene since 1992.

Susan is in the office on Tuesday and Thursday mornings. We schedule hearing tests and hearing aid consultations during those times. We provide comprehensive hearing tests along with a wide range of hearing aids, as well as ear plugs for noise control and water protection.


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