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Ear, Nose, and Throat Evaluation

Ear, Nose & Throat Associates have been providing quality care in the Billings area for over 35 years. We specialize in general adult and pediatric otolaryngology, head and neck surgery and facial plastic surgery. Our goal is to provide Billings and surrounding communities with quality, comprehensive and compassionate care.
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Patient Specialties

Online Check In - Starting March 15

Did you know that you to check in online ahead of time? You can confirm your appointment via text message or email, and check in online prior to your visit. You can also check in on your own device when you arrive. Provide your email and cell phone number today, and check in on your own device next time!

ENT Associates is partnering with Phreesia to help you save time registering for your appointment. Use mobile check-in to register from any smartphone, tablet or computer from the privacy of your own home. Checking in on your device saves you time and ensures your information is always up to date! This will save you time and eliminate the need for you to complete any paperwork when you arrive for your appointment.


We've made telemedicine simple and easy for you. Use the following links to start your telemedicine appointment online with one of our physicians.

Patient Stories

We are proud of being able to serve the Billings, Montana and surrounding communiteis. Here's what others are saying about ENT Associates and our Physicians.

All Testimonials


This level of compassion and professionalism is so important in the medical field.

Cassidy Brophy is a great asset to the team of specialists. She was incredibly helpful as she listened to my issues asked questions and gave me the treatment I needed. This level of compassion and professionalism is so important in the medical field. I recommend Ear Nose and Throat Associates without reservation and especially FNP Cassidy Brophy.
— Christie Arnold,  Mar 2019


Dr. Butler is awesome and the Nurse practitioner Is also very kind. They both Made me at ease when my son was recently hospitalized. Thank you so much!

— Chrystal Lee,  Nov 2018


I would send others to him

I am so glad that doctor Demars got to help my son and my son ears are doing really good and I am so happy that a friend of my sent me to him and I would send others to him.
— Tanya Freeman,  Oct 2018


I cant thank his staff enough.

Dr. Demars is great my procedure went awesome! I cant thank his staff enough. Especially his assistant Erin she was amazing and made me feel so comfortable during the whole thing! She rocks! Would recommend this place to anyone!
— Myranda W,  Oct 2017

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  COVID-19 Update

To protect the health and safety of our patients and staff – ENT is implementing the following:

  • Patients and/or family members with the following symptoms need to reschedule their appointment - by phone.
  • Fever, sore throat, cough, shortness of breath
  • Please call your primary care practitioner or if you are having problems breathing, please go to the ER.

We will work with you to reschedule – by phone – in a timely manner.