M.O.S.A. Audiology - Chelsea

14650 Old Hwy US 12 Ste 304 Chelsea, MI 48118
(734) 593-3076


Photo of Petra  Boonstra, AuD, MA, CCC-A from M.O.S.A. Audiology - Chelsea

Petra Boonstra,


Dr. Petra Boonstra is a licensed Audiologist working with patients in our Chelsea office.  She earned her Bachelors of Arts and Masters of Arts degrees in Audiology from Western Michigan University and her doctor’s degree from A.T. Still University (Arizona School of Health Sciences). Dr. Boonstra holds a Certificate of Clinical Competence in Audiology from the American Speech Language Hearing Association.


Clinic location map


Healthy Hearing posts all positive and negative reviews that meet publishing criteria.

Read 3 verified patient reviews for M.O.S.A. Audiology - Chelsea! Their average review score is 5 () from 3 reviews.

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“I think she offered good explanation of everything she did in the test and answered all my questions.”

Jane D. of Grass Lake, MI   
11/04/2014    Review verified by phone

“I liked her, I liked the way she makes me feel,. The questions I asked, she answered. She went out of her way to make sure that I was comfortable and answered my questions and made me feel secure. ”

Sharon C. of Jackson, MI   
10/10/2014    Review verified by phone

“They explained everything very well.”

Lynn J. of Gregory, MI   
02/24/2012    Review verified by phone

Clinic details

Improve your hearing, improve your life

MOSA audiologists are highly trained professionals with advanced education and experience. Because of this specialized experience, they are able to determine the extent of any hearing loss and assign the appropriate treatments and equipment. They carefully analyze your individual situation and recommend only those treatments that are appropriate. They also help in educating you on the proper use and care of hearing protection devices.

We have 6 convenient locations to choose from:

Ann Arbor/Ypsilanti office 5333 McAuley Drive   Suite #2016 Ypsilanti, MI  48197

Brighton office 2305 Genoa Business Park Drive   Suite #160 Brighton, MI  48114

Canton office 1600 S. Canton Center Road   Suite #340 Canton, MI  48188

Chelsea office 14650 Old Hwy US-12  Suite #301 Chelsea, MI  48118

Livonia office 14555 Levan Road, Suite 314 Livonia, Michigan 48154

Saline office 1020 E. Michigan Ave.  Suite I Saline, MI  48176

Hearing care services

M.O.S.A. Hearing Aid Center offers the following services:

  • hearing evaluations
  • hearing aid sales, dispensing and fitting
  • custom ear protection and molds
  • hearing aid accessories
  • hearing aid service including cleaning, checks, maintenance and repairs
  • hearing aid batteries
  • assistive listening devices
  • rehabilitative services


(734) 593-3076

Hours of operation

Monday8 am - 4 pm
by appointment
Tuesday8 am - 4 pm
by appointment
Wednesday8 am - 4 pm
by appointment
Thursday8 am - 4 pm
by appointment
Friday8 am - 4 pm
by appointment
Evening and/or weekend hours available by appointment. Please call to schedule.

Clinic links

Accepted forms of payment

  • Visa
  • MasterCard
  • American Express
  • Discover
  • Cash
  • Check
Disclaimer: This clinic profile is for general information purposes only.
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