Meet Expert Audiologists You Can Trust

Dr. McDonald is passionate about audiology and her focus on providing the highest quality of patient care. She has 18 years of experience in fitting and dispensing hearing aids. She has worked as a clinical audiologist in private practice and with the Veteran’s Administration, as a hearing aid researcher at The Medical University of South Carolina, and most recently was faculty at Texas Women’s University. She received her Masters and Doctorate of Audiology (Au.D.) degrees at Vanderbilt University and her Bachelors in Communication Sciences at Louisiana Tech University. She is a Fellow of the American Academy of Audiology (F-AAA).

Outside of work she enjoys volunteering at her children’s school, practicing yoga, reading and spending time with family.

Dr. Zahn completed her Bachelors of Arts in General Studies with minors in Spanish, Biology, and Chemistry at Texas Tech University. She received her Doctorate of Audiology (Au.D.) degree at Texas Tech University Health Sciences Center (TTUHSC) and holds a Certificate of Clinical Competence in Audiology (CCC-A) through the American Speech-Language-Hearing Association.
She is bilingual with over eight years of diverse experience working with an on-site neuro-otologist as a Cochlear Implant specialist doing intra-operative monitoring for Cochlear implantation and assessing BAHA (Bone-anchored-hearing-aids) candidates. She also has extensive experience with vestibular assessments including Sinusoidal Harmonic Acceleration and electrophysiological evaluations for the adult and pediatric populations. As a clinical audiologist, she also worked at John Peter Smith (JPS) Hospital evaluating adult hearing and balance disorders.
She specializes in the evaluation, diagnosis, and treatment of hearing loss and vestibular disorders. Her primary focus is evaluating patients with the highest quality of care in both the pediatric and adult populations.
Dr. Zahn is married and has two children. She loves to spend time with her family, volunteering at church, reading, and working out at the gym.

Dr. Tracey Doria earned a Bachelor of Science in Communication Sciences and Disorders from James Madison University and a Doctorate in Audiology from Salus University, George S. Osborne College of Audiology, graduating Cum Laude. She joined the North Hills ENT team in the fall of 2021 after years in a large East Texas ENT practice.

Dr. Doria holds a Certificate of Clinical Competency in Audiology (CCC/A) from the American Speech-Language and Hearing Association, is a Fellow of the American Academy of Audiology and a member of the Texas Academy of Audiology. Her clinical interests focus on advanced diagnostic and balance testing as well as hearing aids for pediatrics and adults.

As a hearing aid user herself, Dr. Doria strives to support and guide patients of all ages to achieve their own personal communication goals. Outside of the office, Dr. Doria enjoys spending time outside, watching sports, and relaxing with her family and two dogs – a plott hound named Amadeus and a rhodesian ridgeback named Artemis.