Our Office
We are a
Dr. David Shaha MD
Sleep Medicine Specialist
Dr. Shaha was the sleep lab director at the Womack Army Medical Center at Fort Liberty, North Carolina for four years after completing a sleep fellowship at the Walter Reed National Military Medical Center in Bethesda, MD. Following his military service, he was the Sleep Lab director at the University of Iowa for three years and the sleep fellowship director for two years. Dr. Shaha has years of experience treating the full scope of sleep disorders among varied populations and is excited to contribute to sleep care in Eugene area.
Dr Dainis Irbe MD
Dr. Irbe trained in neurology and sleep medicine at Emory University (Atlanta). He is board certified in both neurology and sleep medicine, with special interest in pediatric sleep disorders. He served as medical director of the Pediatric Sleep Clinic at Emory University.
Lisa Olson PA-C
Lisa completed her undergraduate studies with majors in exercise physiology and psychology at the University of Oregon in 2000. She attended Pacific University, graduating in 2004, with a master of science degree in physician assistant studies. She has worked as a certified physician assistant in specialties including orthopedic spine care, urologic oncology as well as sleep medicine. She originally started working for Dr’s Tearse and Irbe back in 2006 when the clinic was still called the Eugene Sleep Disorders Center. The economy prompted a job change for about 5 years, but Lisa happily returned back to the Emerald Sleep Disorders Center in 2016. She loves her work as a sleep medicine PA-C, but also enjoys spending free time with her husband and 2 teenage boys doing activities like traveling, hiking, rafting, skiing and golfing.
Damon Sevart PA-C
Damon has worked in healthcare for 40 years. He started a PeaceHealth in 1989 as an orthopedic technician. He graduated from University of Washington, school of medicine in 2001 as a physician assistant certified. Damon has spent most of his career in general, vascular and orthopedic surgery. He started his career in sleep medicine in 2016 due to a lifelong fascination with sleep and absolutely loves what he does. His wife and him enjoy hiking, mountain biking and golf. They have two fur baby corgi's that make them smile and laugh daily.
Lisa Stevens PA-C
Lisa earned her bachelor's degree in Biology at University of Wisconsin-Madison. Afterwards served as AmeriCorps VISTA through the University of New England followed by work at American Red Cross Blood Services in Minnesota. She obtained her Master's Degree in Physician Assistant Studies through University of Wisconsin–La Crosse in partnership with Mayo School of Health Sciences. Her PA career started in urology before transitioning to ESDC in 2016. She enjoys spending time with her family including 2 sons, running, supporting Minnesota sports teams, and exploring the Pacific Northwest.
Our Staff
Our day staff - receptionists, cpap equipment techs, billing specialists and medical assistants will work to ensure successful evaluation and treatment of your sleep disorders. Our night staff of respiratory therapists and certified PSG techs will greet you and prepare you for your sleep study. They will help you sleep your best while collecting clean data for subsequent analysis. Scoring techs analyse the data which then is reviewed by the doctors.
Nicole Glazier
RPSGT - General Manager
Heidi Pettit
RPSGT- Clinical and DME Manager
Kyle Vessey
RPSGT - Sleep Lab Operations Manager
Brent Pettit
RPSGT- Night Technician
Joel Hanson
RPSGT- Night Technician
Laura Free
RPSGT- Night Technician
Mike Owens
RPSGT- Day Technician
