Hear From Our Patients Today
Patients have sought out Dr. Siegfried from around the world — Europe, Saudi Arabia, the USA, Indonesia, Mexico, and, of course, Oregon. Discover stories tailored to the kind of care you need.

Rated 5.0 out of 5 across 350+ Google Reviews
Over 350 Google Reviews and hundreds of written and video testimonials, spanning chiropractic, accident, nutrition, and Nasal Specific care. Filter to the kind of care you need.
Hear It From Our Patients
Real patients share their experience with Dr. Siegfried and the practice, in their own words.
Trey
Trey shares his experience as a patient at Dunn Chiropractic Clinic.
Lucian
Lucian shares his experience as a patient at Dunn Chiropractic Clinic.
Lino P.
Lino P. tells his story of care with Dr. Siegfried.
A Long-Time Patient
A longtime patient reflects on years of care at the practice.
Recovery Story
Successful chiropractic care after recovering from a broken foot.
En Español
Dr. Siegfried explains the practice and its care — in Spanish.
Dr. Desai
Dr. Desai shares her experience with care at the practice.
Kiva Geiger
Kiva Geiger shares his experience as a patient of Dr. Siegfried.
See Dr. Siegfried perform the Bilateral Nasal Specific Technique
This clip from ABC's The Bachelorette shows Dr. Siegfried performing the gentle, non-surgical Bilateral Nasal Specific Technique. It complements over 150 written patient stories.
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What Other Doctors Say
Dr. Siegfried changed my life! I suffered from chronic, debilitating migraines from a traumatic brain injury for years. I tried everything to alleviate them and couldn’t find anything despite being a chiropractor myself. In 1 visit, Dr. Siegfried used the nasal technique to completely cure my…
I have known George Siegfried, D.C. for 47 years, since we were in chiropractic school. We both studied with Dr. Richard Stober who pioneered the bilateral nasal specific technique. Recently, I received a nasal specific treatment from Dr. Siegfried. He has become a master artist not just an…
Dr. Siegfried studied with Dr. J.R. Stober, D.C., N.D., one of the pioneers of the Bilateral Nasal Specific, for many years. He has the best technique of anyone I have found and is the only person I trust with my head. I have suffered with chronic sinusitis after a head injury years ago.
Start Your Own Story With a Call
Whether it is chronic sinusitis, snoring, sleep apnea, migraine headaches, PTSD, or more — a consultation with the doctor is your first step.

