Our Professional Staff

Our experienced providers are committed to a high standard of patient care and are here for you throughout every stage of your hearing journey.

Who We Are

We understand choosing a hearing care provider is a big decision. Our number one priority is delivering exceptional patient care. Our staff combines many years of expertise in hearing healthcare, and is well-trained on a variety of services ranging from evaluations to treatment.

We believe great care includes establishing great relationships with our patients. Treating hearing loss is an ongoing process that requires regular follow-ups, maintenance and cleanings to keep you hearing your best. Our staff is here to support you not only during your initial visit but throughout your entire journey to better hearing.

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Our Providers

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Claire Pietrzak, Au.D.


Dr. Claire Pietrzak was born and raised in Syracuse, NY. She received her Doctorate in Audiology from Syracuse University in 2015 and holds a Bachelor’s degree in Communication Sciences and Disorders from the University of New Hampshire. Claire completed her yearlong externship at Charleston ENT in Charleston, SC, gaining experience with pediatric and adult diagnostics, and vestibular testing.

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erin laundrie audiologist

Erin A. Laundrie, Au.D., F-AAA


Erin Laundrie, Au.D., FAAA, received her Doctorate in Audiology from the University at Buffalo, where she conducted research on auditory cortex enhancement and tinnitus. Dr. Laundrie’s clinical interests include tinnitus, balance/dizziness testing, electrophysiology, and improving communication abilities through the use of amplification.

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keith walsh audiologist

Keith P. Walsh, Au.D.

Audiologist / Owner

Keith Walsh, Au.D. was drawn to the profession of audiology because he has found working and helping people overcome handicaps and improving their quality of life extremely rewarding. He has always had an acute interest in sound, music, and movement, which over time led to his desire to further his education by studying for and obtaining his doctor of audiology, Au.D.

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lori mathieu audiologist

Lori E. Mathieu, Au.D.


Dr. Lori Mathieu has been providing expert hearing care to Plattsburgh and the surrounding areas for the past 27 years. Prior to her work at Adirondack Audiology Associates, she provided audiological care at Sunnybrook Medical Center, the teaching hospital for the University of Toronto where she enjoyed providing a variety of testing protocols including intraoperative neurophysiologic monitoring, tinnitus and communication strategy workshops as well as hearing assessments for a busy ENT practice.

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