The Hearing Aid Center at St. Elizabeth's Medical Center

736 Cambridge St SMC 8th Floor Brighton, MA 02135
(617) 415-5934


Photo of Mark Parker, Ph.D., CCC-A from The Hearing Aid Center at St. Elizabeth's Medical Center

Mark Parker,
Ph.D., CCC-A


Having Deaf family members, Dr. Parker has first hand experience of the difficulties that face those affected with communicative disorders. Dr. Parker is the Director of the Audological & Vestibular Assessment department and holds a Masters degree in Speech and Hearing Sciences (Audiology) and a doctorate in Neuroscience. He has taught Audiology courses at Emerson College as an Assistant Professor, and conducted basic research at the Massachusetts Eye and Ear Infirmary.

Kathleen Breen,
Au.D., CCC-A


Dr. Breen received her Doctorate in Audiology from the University of Florida, as well as her Masters Degree and Undergraduate Degree from the University of Massachusetts. She holds a Certificate of Clinical Competence in Audiology and is a Massachusetts Licensed Audiologist. She has held clinical positions at Lahey Clinic and Braintree Rehabilitation Hospital. Dr. Breen’s clinical interests include diagnostic audiology, hearing aid dispensing and aural rehabilitation. Kathleen currently serves as Manager of the Hearing Aid Center at Saint Elizabeth’s Medical Center.

Michael Dybka,
Ph.D., CCC-A


Dr. Dybka is an experienced audiologist with a record of clinical service, academic teaching, and numerous presentations at national, state, and local meetings. He received his MA from San Diego State University and his Ph.D. from the University of Washington. For over twenty years he served as director of Audiology for a large Boston teaching hospital. During that time he was instrumental in developing a newborn hearing screening program and developing a cochlear implant program.

Christina Hammer,


Christina received her Au.D. from the University of Washington at Seattle in 2009. Since then she has worked in an ear-nose-throat setting, providing care to patients with both hearing and balance problems. Her clinical interests include hearing aids and adult diagnostics.


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Clinic details

World class medical care, from our family to yours.

The Audiologists at Steward St. Elizabeth’s Medical Center are Doctorate-level professionals trained in the diagnosis and non-medical treatment of disorders of both hearing and balance. We provide a full range of hearing care services to patients of all ages and can help you make the besr choices with all of your hearing needs.

Hearing care services

We provide full comprehensive hearing services including:
•Complete hearing evaluation and testing
•Evaluation of dizziness and balance problems
•Tinnitus evaluation and testing
•Hearing aid evaluation and dispensing
•Hearing aid adjustment and servicing
•Custom ear protection
•Assistive listening devices
•Specialized Auditory testing

(617) 415-5934

Hours of operation

Monday8 am - 5 pm
by appointment
Tuesday8 am - 5 pm
by appointment
Wednesday8 am - 5 pm
by appointment
Thursday8 am - 5 pm
by appointment
Friday8 am - 5 pm
by appointment

Clinic links

Accepted forms of payment

  • Cash
  • Check
  • Debit
Disclaimer: This clinic profile is for general information purposes only.
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