The Difference Between an Audiologist and a Hearing Aid Dispenser

If you've started looking into hearing care, you've probably noticed both terms floating around — audiologist and hearing aid dispenser (sometimes called hearing aid specialist). They both help people hear better, and from the outside they can seem like basically the same thing. They're not, and knowing the difference could have a real impact on the care you receive.

What is an Audiologist exactly?

Audiologists hold a doctoral-level degree — most commonly a Doctor of Audiology (Au.D.) — which takes four years of graduate training after an undergraduate degree. That's a significant commitment, and the curriculum reflects it. Audiologists study how the ear works, why hearing loss develops, how to diagnose it across its full range, and how to treat it. They're licensed in every state to evaluate both adults and children, from mild hearing loss all the way to profound.

Beyond just hearing loss, audiologists are trained to evaluate conditions like tinnitus (ringing in the ears), auditory processing disorders, and balance problems. They're not just fitting devices — they're diagnosing and managing hearing health as a whole.

At Evanston Audiology, Dr. Kate Dunckley earned her Ph.D. in Audiology and Hearing Sciences at Northwestern University and spent time as an assistant professor and audiology externship coordinator at Rush University. That research background shapes the clinical care every patient receives here.

What a Hearing Aid Dispenser Can and Can't Do

A hearing aid dispenser — sometimes called a hearing instrument specialist — is licensed to test your hearing for the purpose of fitting hearing aids and to sell and fit hearing devices. The path to licensure is shorter, typically involving a state exam and supervised hours rather than a doctoral program.

Dispensers can be genuinely skilled at what they do. But their scope is narrower. They aren't trained or licensed to diagnose hearing loss as a medical condition or to identify what's causing it. That distinction becomes important if something else is going on.

If your hearing loss turns out to have a treatable medical cause — fluid behind the eardrum, sudden hearing loss, or a condition affecting the auditory nerve — a dispenser would likely refer you elsewhere. An audiologist can identify those issues during the evaluation itself and point you in the right direction without an extra step.

A Hearing Test Isn't Always a Comprehensive Hearing Exam

Here's something most people don't realize: a hearing screening done to fit hearing aids isn't the same as a comprehensive audiological evaluation.

An audiologist runs a full diagnostic workup — testing how well you hear tones at different pitches and volumes, how clearly you understand speech, and how your middle ear is functioning. The findings are interpreted in full clinical context. The question isn't just "how much amplification do you need?" It's "what's actually happening with your hearing, and what should we do about it?"

Sometimes the answer is hearing aids. Sometimes it's a referral to an ear, nose, and throat specialist. Sometimes it's monitoring the situation over time. You're unlikely to get that level of evaluation in a setting that's primarily focused on selling devices.

Getting the Best Outcome from your Hearing Aid Fitting 

Even when hearing aids are the right choice, how they're fitted makes a significant difference in how well they actually work for you.

Audiologists use evidence-based protocols that go well beyond choosing a style and adjusting the volume. At Evanston Audiology, every fitting includes Real Ear Measurement (REM) — a process that uses a small microphone placed in your ear canal to verify that the hearing aid is delivering the right amount of sound for your specific ear and hearing loss. A device that seems fine in the office can still be underfitting or overfitting certain frequencies without this verification step.

Not every provider does this. It's worth asking before you book your first appointment.

Why Children Need an Audiologist Specifically

For kids, the distinction between an audiologist and a dispenser matters even more. Diagnosing and managing childhood hearing loss requires specialized training — in how hearing develops, how to test children who can't respond to standard instructions, and how early treatment affects language development and learning.

Pediatric audiology is its own area of expertise. It's not something hearing aid dispensers are trained for, and the stakes of getting it wrong are high.

Hearing Care in Evanston

When you come to Evanston Audiology, you're seeing a doctoral-level audiologist from your very first appointment. Dr. Dunckley brings both research depth and hands-on clinical experience to every patient — from initial evaluation through fitting and long-term follow-up.

We work with leading hearing aid brands including Phonak, Oticon, ReSound, Starkey, and Signia, and we're focused on getting the fitting right — not just getting you out the door.

To schedule an appointment, call 847-869-9433. We're located at 1811 Benson Ave in Evanston, on the corner of Benson and Clark.