Meet Our Audiologists

All of Our Audiologists are Nationally and State-Certified to Practice Audiology.

Hannah Anderson, Au.D., F-AAA

Hannah Anderson, who is originally from Littleton, CO, received her BA from Saint Louis University in communications science disorders. She also received a minor in psychology. Hannah continued her education in Chicago at Rush University, where she received her doctorate in Audiology in 2016. Hannah specializes in diagnosing hearing loss and fitting hearing aids for all types of hearing losses. She also specializes in assessing and diagnosing balance disorders. Hannah has a passion for improving the patient’s quality of life by helping them hear better and/or understanding their hearing or balance disorder(s). She works diligently to understand the wants and needs for each patient so they can be properly treated as a unique individual. In Hannah’s free time, she enjoys skiing, playing tennis and golf, spending time with her family, and playing with her black lab, Sage.

Leah McCaslin, Au.D., CCC-A

Leah McCaslin, a Colorado native, graduated with a Bachelor of Science in Audiology & Speech-Language Science from the University of Northern Colorado.  Leah continued her studies at UNC to earn her Doctorate of Audiology.  She completed her graduate externship with AOO and officially joined the team as an audiologist in the summer of 2023.  Leah’s favorite part of audiology is forming lasting relationships with her patients and their families and working together to create a treatment plan for each individual’s needs.  She is board-certified by the state of Colorado and holds her Certificate of Clinical Competence by the American Speech-Language-Hearing Association.  Leah is a Fellow of the American Academy of Audiology and an active member of the Colorado Academy of Audiology.  In her free time, Leah enjoys spending time with her husband and their family, getting away to the mountains, and reading a good book.

Lonneke Mattoon, Au.D.

With over two decades of international experience in audiology, Lonneke is a highly skilled clinical audiologist dedicated to improving the hearing health and quality of life for patients of all ages. She has practiced across the United States, the Netherlands, and Spain, offering comprehensive diagnostic and rehabilitative hearing care. Lonneke holds a Doctor of Audiology degree from the University of Florida, a Master’s degree in Communicative Disorders and Sciences from Wichita State University, and a Bachelor’s degree in Speech-Language Pathology from Fontys Hogescholen in the Netherlands. She has provided advanced hearing assessments, hearing aid fittings and verification (REM), tinnitus counseling, vestibular diagnostics, cochlear implant programming, and bone conduction device evaluations. Lonneke is known for her compassionate care, attention to detail, and commitment to staying at the forefront of audiological innovation. She has also mentored numerous audiologists and audiology assistants throughout her career. Her international experience not only enriches her clinical perspective but also helps her connect with patients from diverse backgrounds. She brings a warm, multilingual, and culturally sensitive approach to every consultation, making patients feel heard and understood wherever they come from.