Ear Nose & Throat Associates of Butler
Dr. Keith Welker and Dr. C. Thomas Yost provide medical and surgical treatments for the ears, nose, throat, and related structures of the head and neck in children and adults. Dr. Emily Cossaboon provides audiology treatments including hearing tests, hearing aids, and custom hearing protection.
Personal care. Technical excellence. Close to home.
Dr. C. Thomas Yost, M.D.
Otolaryngology (ENT) - Head and Neck Surgery
Dr. Keith Welker, M.D.
Otolaryngology (ENT) - Head and Neck Surgery
Dr. Emily Cossaboon, Au.D.
Audiology - Hearing and Balance
Hours of Operation
The doctors are available for ENT and Audiology appointments Monday – Friday 8:00 am to 4:30 pm. Please call (724) 482-0028 to schedule.
You can drop off your hearing aids for repair or cleaning anytime during normal business hours. Hearing aid supplies such as batteries and filters are available for purchase at our front desk.
Hours for Allergy Shots
Walk-in hours for existing allergy shot patients.
| Monday | 1 pm - 4 pm | |
| Tuesday | 8 am - 4 pm | |
| Wednesday | 8 am - 4 pm | |
| Thursday | 1 pm - 4 pm | |
| Friday | 1 pm - 4 pm |
MEDENT
Login link to the Patient Portal.
Appointments, Rx refills, lab results, and more.
ENT Health Information
Learn about specific ENT conditions. Explore articles and health tips. Powered by the American Academy of Otolaryngology-Head and Neck Surgery.
New Patient Forms
Get a head start on your first appointment by downloading and completing these forms prior to your visit.