Columbia St. Mary's ENT Associates

"A passion for patient care"
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13133 N Port Washington Rd Ste 226 Mequon, WI 53097


Clinic staff

Donna Mullen


Clinical audiologist Donna Mullen has helped the patients of Columbia St. Mary's ENT Associates hear better for over 19 years. She holds a Master of Science in Audiology from Idaho State University and has extensive experience working with both adults and children. 

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About this clinic

ENT Associates – Ozaukee is a full-service ear, nose and throat clinic with three Otolaryngologists - Doctors Gretchen Durkin,  James Rossiter and R. Nikolaus Schmidt. 

We are located in the Seton Professional Building at Columbia-St. Mary's Hospital - Ozaukee.

Our licensed and experienced audiologist provide expert hearing care services for people of all ages. 

Clinic services

We offer complete hearing care services, including:

  • Hearing screenings
  • Complete hearing tests
  • Hearing aid evaluations
  • Hearing aids – A wide selection of top-quality digital hearing instruments from the best manufacturers
  • Computerized hearing aid fittings to ensure proper amplification
  • Hearing aid accessories
  • Assistive Listening Devices (ALDs) including amplified telephones for people who are hearing impaired
  • Hearing aid service including cleaning, checks, maintenance and repairs
  • Hearing aid batteries
  • Custom earmolds for hearing aids and earplugs for swimming and hearing protection

Call this clinic today!

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Hours of operation

Sunday Closed
Monday 8:30 am - 5:00 pm
Tuesday 8:30 am - 5:00 pm
Wednesday 8:30 am - 5:00 pm
Thursday 8:30 am - 5:00 pm
Friday 8:30 am - 12:00 pm
By appt.
Saturday Closed

Accepted forms of payment

  • Visa
  • MasterCard
  • Cash
  • Check
  • Debit