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Our Staff


Our providers represent a unified group of professionals assembled for the common goal of providing our clients with a complete solution to their needs. Find out more about our experience and backgrounds.


Dr. Roberts

Robert Roberts, DO

Dr. Roberts is board certified in Otolaryngology, head and neck surgery. Dr Roberts has special interest in nose and sinus disorders, head and neck surgery including thyroid and parathyroid surgery, and the medical and surgical treatment of obstructive sleep apnea.



Dr. Chan

James Chan, MD

Dr. Chan is a Double Board Certified Facial Plastic Surgeon who specializes in comprehensive and minimally invasive facial aesthetic and reconstructive procedures.



Dr. Singh

Asha Singh, M.D.

Dr. Singh is a double board certified physician highly recognized for her exemplary work in Neurology and Sleep Medicine. During her educational career she graduated with Highest Honors from the University of Texas at Austin and was accepted to the Dean’s Honor List.



Dr. Liebler

Sarah Liebler, M.S., PA-C

Sarah Liebler, our Physician Assistant, collaborates with our specialists to provide comprehensive care for our patients, evaluating and managing patients for a variety of ENT related concerns, seeing new patients, providing pre- and post- operative care, ordering tests and imaging studies, and prescribing medications.



Tori Blomquist

Tori Blomquist, M.S., CCC-A.

Audiologist Blomquist cares for patients of all ages: infants, children, teens and adults, with a wide variety of hearing issues. She combines her extensive clinical experience with the use of the latest hearing technologies to find lasting, non-medical solutions that best match each patient’s unique hearing needs and lifestyle.



Dr. Liebler

Dr. K. Larson D.D.S.

Dr. Larson has been practicing dentistry in the Portland/ Beaverton area in Oregon for over 30 years and has been treating sleep disorder problems since 2005. He is an active member of the Academy of Sleep Medicine and the Academy of Dental Sleep Medicine.