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How to Contact


Conveniently Located Downtown Billings, Montana

We are conveniently located at Suite 330W on the third floor of The Yellowstone Medical Center 2900 12th Avenue North near the heart of downtown Billings, Montana. Please feel free to contact with any questions you may have at the numbers listed below.

Contact Information

Address: 2900 12 Ave North Suite 330W
Billings, MT 59101

Monday - Friday: 8:00am - 5:00pm
Valet Parking and Elevators Available

Phone Number: (406) 238-6161
Toll Free: 1-800-648-6274
Fax: (406) 238-6171

  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