Our Team


Dr. Mark Robertson (Center), Mr. Marc Stevens (Left), Mrs. Vallery Kesterson (Right)


Midvalley ENT & Allergy aims to provide individuals with a comfortable and relaxing environment where we strive to exceed your expectations through professional results and our friendly staff.

Dr. Mark Robertson (DO, Otolaryngologist)


Dr. Mark Robertson, DO, is an Otolaryngologist who specializes in diseases of the ear, nose, and throat, as well as allergy issues.  He attended Mid Western University in Chicago, Illinois for Medical School and Oklahoma State University in Tulsa Oklahoma for his Residency. He is board certified in Otolaryngology and Facial Plastic Surgery. He has over 14 years of experience treating these conditions in the Willamette Valley area.

Dr Robertson treats a full range of otolaryngology issues. These include ear disease symptoms (otitis media, otitis externa, hearing problems, perforated ear drum, tinnitus, vertigo, balance problems, etc...) nasal problems (nasal airway obstruction, nosebleeds, nasal polyps, decreased sense of smell, sinusitis, etc...) and throat issues (tonsillitis, globus sensation, swallowing difficulty, vocal cord paralysis, laryngopharyngeal reflux, etc...) as well as allergy issues. His expertise is in sinus surgery, sleep apnea surgery, head and neck surgery, neck dissections, ear surgery, and pediatric ENT care. Please refer to “Our services” within the website for other areas of diagnosis and treatment.
 

Dr. Kyle Gambrell (DO, Otolaryngologist)


Dr. Kyle Gambrell DO speciallizes in the diseases of ear, nose, and throat, as well as allergy issues. He attended Oklahoma State University College of Osteopathic Medicine and did his residency at Hahnemann University Hospital in Philadelphia, Pennsylvania. He also has a second board certification in Integrative Medicine. Dr. Gambrell has been in practice for over 10 years with his last two years at Mid-Valley ENT and Allergy. 


Dr Gambrell treats a full range of otolaryngology issues. These include ear disease symptoms (otitis media, otitis externa, hearing problems, perforated ear drum, tinnitus, vertigo, balance problems, etc...) nasal problems (nasal airway obstruction, nosebleeds, nasal polyps, decreased sense of smell, sinusitis, etc...) and throat issues (tonsillitis, globus sensation, swallowing difficulty, vocal cord paralysis, laryngopharyngeal reflux, etc...) as well as allergy issues. His expertise is in sinus surgery, sleep apnea surgery, head and neck surgery, neck dissections, laryngeal surgeries, video stroboscopies, and pediatric ENT care. Please refer to “Our services” within the website for other areas of diagnosis and treatment.

Mr. Marc Stevens, M.S. (FAAA, Audiologist)


A retired US Army Lieutenant Colonel and Clinical Audiologist, Marc Stevens has 37 years experience practicing diagnostic Audiology. His experience includes early training at Walter Reed, graduate studies at Gallaudet College, operating and managing programs in early infant identification of hearing loss and Chief of Audiology and or Hearing Conservation at multiple Army Hospitals and Medical Centers.  He is the recipient of Military Audiology’s most prestigious recognition: the Elizabeth Guild Award.  He earned the Certificate of Clinical Competence in 1985 and is currently a Fellow of the American Academy of Audiology.  He definitely understands the challenges of the hearing impaired and is well qualified to meet their needs.

Mrs. Vallery Kesterson (B.A., BC-HIS)


Vallery is a board certified hearing instrument specialist, who has practiced hearing aid dispensing in Oregon for 26 years. She previously developed and operated the Hearing Aid Service at the Corvallis Clinic for 18 years. More recently, Vallery has gained extensive experience in marketing and managing hearing healthcare offices throughout the Willamette Valley. Vallery takes pride in providing quality hearing and hearing aid services in a compassionate and professional atmosphere.