Your Ear, Nose & Throat Specialists in St. Charles


2210 Dean Street
Suite L
St. Charles, IL 60175 ​

Opening Hours

Monday: 8:00am – 5:30pm
Tuesday: 8:00am – 5:30pm
Wednesday: 8:00am – 5:30pm
Thursday: 8:00am – 5:30pm
Friday: 8:00am – 4:00pm
Saturday: 8:00am – 12:00pm (Every other Saturday only)

St. Charles location

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Fox Valley Ear, Nose & Throat, St.Charles



doctor looking into an ear

Comprehensive Hearing Assessments

A recent study suggests that 1 in 8 Americans have some level of hearing loss. Therefore, it is important to have your hearing tested regularly. The latest recommendations suggest that you should have your hearing professionally assessed every 12 months. Your hearing care is in safe hands with Fox Valley’s team of doctors and audiologists on your side. From hearing assessments to more advanced services, Fox Valley ENT can provide all your hearing care.


boy on railing

Expert Balance Care

Whether you are experiencing room-spinning dizziness or you are sometimes losing your balance, it can damage your confidence and your freedom. Many people do not know that the balance organs are inside the ears! So they do not know to see their ENT physician for balance problems. 


lady with her eyes closed

Head & Neck Surgery

With any medical procedure, you want to be confident that you’re in the best hands possible. Our team of doctors use advanced technology and are established as some of the most respected surgeons in Illinois.


doctor passing over hearing aid to patient

Prescription Hearing Aid Technology

The huge developments in technology now mean that prescription hearing aids are incredibly small and sometimes barely visible. They boast Smart technology that allows you to connect to your smartphone and gives you the ability to stream music, phone calls, or even your television directly into your hearing aids.


lady having her sinus' checked

Sinus Surgery

If you regularly suffer from sinus problems, you know the constant frustration of not feeling healthy – whether it’s a runny nose, blocked ears, or sinus pressure, you just want to feel normal again and with sinus surgery, you can be back to your old self quickly and effectively.


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It can be confusing to know exactly what your insurance covers you for and what it doesn’t with so many different policies, packages, and small print. That’s why we can help.


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Laura Geoghegan Avatar

These guys have been taking care of my girls from toddlers through high school from ear infections to a broken... read more

Patient Avatar

Dr. Lochmueller performed surgery on my sinuses to promote better breathing and remove polyps. Recovery was short and the difference... read more

Brent Ong Avatar

I've been a patient of Dr. Hemmer's for 2 years and he's the best ENT you'll find our way. He's... read more


patient resources

These Medications Could Be Harmful to Your Hearing

These Medications Could Be Harmful to Your Hearing

Hearing loss is sometimes difficult to diagnose because each patient experiences it differently. Unfortunately, I have seen too many patients wait too long and cause irreparable damage to their hearing. Only once the problem becomes obvious do people seek help. While...

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ReSound’s New Product ‘Custom’ Could Be a Game-Changer.

ReSound’s New Product ‘Custom’ Could Be a Game-Changer.

New products hit the market all the time, and we keep our eye on every one of them. Not all the products are worth mentioning, but we think many people with benefit from this one.  As prescription hearing aids get smaller and more sophisticated, they also come with...

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Why Are My Hearing Aids So Uncomfortable?

Why Are My Hearing Aids So Uncomfortable?

Like a new pair of shoes, new hearing aids that fit well need some getting used to, but poorly-fitted devices will continue to be uncomfortable.  We want Northern Illinois residents to enjoy the best possible benefits from their hearing aids, so we provide the...

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