Ann Arbor/Ypsi: (734) 221-5080
Brighton: (810) 534-2200
MOSA Audiology Services and Hearing Aid Centers

Our Offices & Staff

Ann Arbor

Joel Stutz

Joel Stitz

“Our goal as audiologists is to successfully define hearing loss for an individual. We want to help those with hearing impairment as fully as possible through the utilization of hearing instruments, therapies and education.”


Dr. Joel W. Stutz
Director, Au.D., CCC-A
Doctor of Audiology, University of Florida
Certificate of Clinical Competence in Audiology (CCC-A), American Speech-Language-Hearing Association
jstutz@mosaaudiology.com


Joanne Coughlin

Joanne Coughlin

“I truly enjoy working with each patient to meet his or her communication needs. Digital hearing aid technology and assistive listening devices, along with a personal approach, allow us to improve your hearing and social well-being.”


Joanne Coughlin
M.A., CCC-A
M.A., Kent State, Kent, OH
Certificate of Clinical Competence in Audiology (CCC-A), American Speech-Language-Hearing Association
jcoughlin@mosaaudiology.com


Dr. Alexandra M. Stewart

Alexandra Stewart

“I enjoy working with patients of all ages. My goal is to provide thorough and evidence-based hearing healthcare for patients with hearing loss as well as those with dizziness. I enjoy teaching patients about the most recent hearing aid technology and helping them make educated decisions to better their hearing and communication abilities. I put a high value on patient education and a pleasant customer service experience.”

Dr. Alexandra M. Stewart
Au.D., CCC-A
Doctor of Audiology, Central Michigan University
Certificate of Clinical Competence in Audiology (CCC-A), American Speech-Language-Hearing Association
astewart@mosaaudiology.com


Christine Yoas

“My goal as an Audiologist is to correctly determine a person’s hearing deficit and then, with the patient and family, find a successful solution to improve communication. Hearing aid technology today, in conjunction with assistive listening devices, can successfully improve a person’s communication and quality of life.”

Christine Yoas
M.S., CCC-A
M.S., University of Michigan
Certificate of Clinical Competence in Audiology (CCC-A), American Speech-Language-Hearing Association
cyoas@mosaaudiology.com


Brighton

Dr. Darcy Henrikson

Dr. Darcy Henrikson

“I have a passion for helping people hear better. I love working with many types of amplification and assisted listening devices with the goal of rehabilitating my patients to the hearing world again. I treat each of my patients with the same level of care and compassion as I would my own family. My promise is to provide my patients with the most thorough and comprehensive hearing health care services.”

Dr. Darcy Henrikson
Au.D., CCC-A
Doctor of Audiology, Wayne State University
Certificate of Clinical Competence in Audiology (CCC-A), American Speech-Language-Hearing Association
dhenrikson@mosaaudiology.com


Dr. Valerie A. Ketchum

Dr. Valerie Ketchum

“I strive to become an integral part of my patients’ lives because I want them to feel comfortable contacting me for assistance.”


Dr. Valerie A. Ketchum
Au.D., CCC-A
Doctor of Audiology, Central Michigan University
Certificate of Clinical Competence in Audiology (CCC-A), American Speech-Language-Hearing Association
drvketchum@aol.com


Canton

Lori Shapiro

Lori Shapiro

“I truly enjoy educating my patients about their hearing loss, the realities of hearing aids, their care, technology and style differences, and the benefits of amplification. I want my patients to have all the information they need in order to make a good decision about their hearing loss and amplification.”

Lori Shapiro
M.A., CCC-A
M.A. Wayne State University
Certificate of Clinical Competence in Audiology (CCC-A), American Speech-Language-Hearing Association
lshapiro@mosaaudiology.com


Chelsea

Dr. Petra Boonstra

Petra Boonstra

“I truly enjoy educating my patients about their hearing loss, the realities of hearing aids, their care, technology and style differences, and the benefits of amplification. I want my patients to have all the information they need in order to make a good decision about their hearing loss and amplification.”

Dr. Petra Boonstra
AuD., CCC-A
Doctor of Audiology, A.T. Still University (Arizona School of Health Sciences)
Certificate of Clinical Competence in Audiology (CCC-A), American Speech-Language-Hearing Association
pboonstra@mosaaudiology.com


Saline

Lisa Saulles

Lisa Saulles

“I enjoy working with my patients to help them find hearing solutions that allow them to enjoy all aspects of their lives more fully. I feel that hearing aids not only improve the wearer’s ability to communicate with others, they also help people to be more secure in their environment. This awareness allows them to maintain independence, as well as give their families peace of mind.”

Lisa Saulles
M.A., CCC-A
M.A., Michigan State University
Certificate of Clinical Competence in Audiology (CCC-A), American Speech-Language-Hearing Association
lsaulles@mosaaudiology.com