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ENT Associates
2900 12 Ave. North Suite 330W
Billings, MT 59101
(406) 238-6161

  All Physicians

Sean Demars, MD

Medical school

University of Virginia School of Medicine Graduated 2003


Madigan Army Medical Center, Ft. Lewis, WA

Board Certification

American Board of Otolaryngology 2009 Practiced at Bassett Army Community Hospital, Fairbanks, Alaska 2008-2012

Practice Interests

I love kids (as evidenced by the 7 children of my own). I also enjoy all aspects of general otolaryngology including sinus and nasal surgery, ear disease and surgery, thyroid disease, & head and neck cancer

  Updated Payment Portal

Please Be Advised: ENT Associates is transitioning to a new online payment system through Advanced MD and will no longer be taking payments through Phreesia (our previous vendor). Our online payment links have been updated but please take note of this change.

Please contact our offices directly for any questions. We can also help you facilitate any payments over the phone or provide instructions to mail payments.

Monday - Friday: 8:00am - 5:00pm
Phone Number: (406) 238-6161
Toll Free: 1-800-648-6274