Better hearing and a better quality of life can be yours for many years with the help of the right hearing professional. At Dr. Kasewurm’s Professional Hearing Services, we pride ourselves on developing long-term relationships with our patients. Relationships based on unsurpassed personal service that begins the first time you walk through our doors and continues long after your initial appointment.

Dr. Gyl Kasewurm, Founder

Dr. Gyl Kasewurm

Dr. Gyl Kasewurm, AuD, is a highly esteemed figure in the field of hearing healthcare, renowned for her exceptional contributions and innovative approach.

Dr. Gyl

Dr. Gyl Kasewurm, AuD, is a highly esteemed figure in the field of hearing healthcare, renowned for her exceptional contributions and innovative approach.
As the founder of Professional Hearing Services (PHS) in Saint Joseph, Michigan, she has cultivated a practice that sets the standard for the patient experience.

Her illustrious career has been adorned with numerous prestigious awards and honors, including the distinguished Distinguished Achievement Award from the American Academy of Audiology. Moreover, she was recognized as a Distinguished Alumnus by Western Michigan University’s Department of Health and Human Services, an exclusive distinction bestowed upon only a select few among the university’s vast alumni network.

Dr. Kasewurm’s passion for fostering empowerment and community among female hearing healthcare providers led her to establish DrGyl’s Women of Wonder, a thriving Facebook group that now boasts over 2,000 members. Her dedication to improving patient care, sharing knowledge, and empowering fellow professionals serves as an inspiration to all.

Julie Duensing, Chief Operating Officer and Hearing Instrument Salesperson

Julie Duensing
President and Hearing Instrument Specialist

Julie Duensing is a distinguished leader in the field of hearing healthcare, serving as the President and Owner of Dr. Kasewurm’s Professional Hearing Services.

About Julie

With an unwavering commitment to excellence and a wealth of experience, Julie has made an indelible mark on the industry.

Over the past decade, Julie has worked in close collaboration with Dr. Gyl, a renowned expert in audiology, absorbing invaluable insights into the intricacies of the hearing healthcare sector. Her tenure with Dr. Gyl has been marked by dedication, diligence, and an unwavering passion for enhancing the quality of life for individuals with hearing challenges.

Julie’s journey in the business world spans over 25 years, making her a seasoned professional with a keen understanding of marketing and management. Her ability to blend her extensive business acumen with her deep-rooted commitment to improving the lives of those with hearing impairment is a testament to her unique skill set.

A proud graduate of Andrews University, Julie possesses not only a strong educational foundation but also a license as a hearing instrument specialist. Her academic achievements and professional certifications reflect her dedication to staying at the forefront of the hearing healthcare field, constantly seeking to expand her knowledge and expertise.

Julie Duensing is deeply honored to carry on the legacy of excellence established by Dr. Gyl at Professional Hearing Services. Under her leadership, the practice continues to uphold the highest standards of service and care, ensuring that every patient receives the personalized attention and advanced solutions they deserve.

With her passion for helping others, extensive industry knowledge, and a commitment to innovation, Julie Duensing is a driving force in the hearing healthcare sector, dedicated to making a meaningful difference in the lives of individuals with hearing challenges.

Dr. Terry McIlvaine, Au.D., Doctor of Audiology

Terry McIlvaine, Au.D.
Doctor of Audiology

Dr. Terry McIlvaine is an audiologist at Professional Hearing Services in St. Joseph, Michigan.

About Dr. Terry

A transplant from Ohio, she is an avid Ohio State Buckeye fan. Her spare time is spent reading, quilting and, of course, watching the Buckeyes. She travels back to Columbus to visit her children and grandchildren every chance she gets. As a licensed audiologist of more than 25 years, she is committed to providing the best hearing care for all her patients. She received her Bachelor’s and Master’s degrees from Kent State University, and her Doctorate in Audiology (Au.D.) from PCO School of Audiology. When you come in the office, don’t forget to tell her “Go Bucks!”.

Grady Hilge, Au.D., Doctor of Audiology

Grady Hilge, Au.D.
Doctor of Audiology

Dr. Grady is an Indiana native, and moved to St. Joseph a year ago to complete his final year of graduate training. 

About Dr. Grady

He is an outdoor enthusiast, and loves to hike and camp all around Michigan with his wife. He also enjoys playing music and reading books on history, science, and nature. He received his Bachelor’s and doctoral degrees from Ball State University.

As a recent graduate, he is committed to bringing a fresh perspective and new ideas to hearing health. He loves getting to know his patients in order to provide them the best service possible.

Mitch Kissick, Au.D., Doctor of Audiology

Mitch Kissick, Au.D.
Doctor of Audiology

Dr. Mitch is an audiologist who joined the Professional Hearing Services team in 2023.

About Dr. Kissick

He was born and raised in Indiana, but started out his career working as an ENT in Texas. Mitch received his Bachelor’s and Doctoral degrees from Ball State University.

He enjoys listening to music, watching motorsports, and fishing. In his free time, you could find him playing the guitar, attending concerts or races, and spending time with family and friends.

Dr. Mitch is determined to provide the best care and service possible to get you hearing your very best.

Jami Bartley, Audiology Assistant

Jami Bartley
Audiology Assistant

Jami is an Audiology Assistant who joined Professional Hearing Services in 2021.

About Jami

Jami has a Bachelor’s degree in Organizational Management from Bethel College and previous work experience at Personal Hearing Center in St. Joseph.

She has a passion to learn and help people. Her goal is making sure that each and every patient she sees, leaves here knowing that we care about them as people and that we have done everything we can to help them hear the best they can. In her free time, she enjoys spending time with her husband, children, and amazing granddaughter.

She also likes spending time camping, traveling, bike riding, and kayaking. Jami loves to keep life interesting!

Tina Machacek, Customer Service Specialist

Tina Machacek
Customer Service Specialist

Tina is a Customer Service Specialist who joined the PHS family all the way back in 2005. Her greatest passion is helping those in our community hear their very best.

About Tina

She strives to make your experience here at Professional Hearing Services to be as easy and swift as possible.

Tina is a lifelong resident of St. Joseph, but in her free time, she enjoys traveling with her husband, attending MSU football games, and spending time with her children and two adorable grandsons.

When you come in don’t forget to ask Tina how the Spartans are doing!

Kim Rice, Customer Service Specialist

Kim Rice
Customer Service Specialist

Kim is a Customer Service Specialist and Medical Biller who has been with Professional Hearing Services since 2014.

About Kim

She is the first smiling face you will see as you walk through the door.

Kim received her Associates degree and has credits towards a Bachelor’s degree.

Problem-solving and paying attention to detail is what Kim does best. Outside of work, you could find Kim spending her time reading, cardio drumming, or camping with her husband and two beautiful daughters.

Family is the most important part of Kim’s life.

Linda Cramer, Customer Service Specialist

Linda Cramer
Customer Service Specialist

Linda is a Customer Service Specialist who has been with Professional Hearing Services since 2015.

About Linda

Before coming here, she worked for Lakeshore Public Schools for 24 years and has a background in Early Childhood Development and Accounting. Linda is always striving to learn new things.

Creating long-lasting relationships with customers is what Linda values most. Outside of work, you can also find her making her own homemade wine. Next time you come in, ask her for some wine making tips!

Nicole VanHarn, Customer Service Specialist

Nicole VanHarn
Customer Service Specialist

Nicole is a Customer Service Specialist and social media Guru. She has been with Professional Hearing Services since 2021.

About Nicole

She has a Bachelor’s in Hospitality and Tourism Management from Grand Valley State University.

She previously managed hotels, worked at her children’s school, and was an avid Shipt grocery shopper and delivery person.

During her college internship, Nicole worked at Walt Disney World and was able to “bring the magic” every day.

Creating a positive work environment and helping others is what Nicole is most passionate about. She enjoys caring for patients and making their experience the best it can be.

Brooke Gerlach, Administrative Assistant

Brooke Gerlach
Administrative Assistant

Brooke is an Administrative Assistant who joined Professional Hearing Services in 2023.

About Brooke

She works part time here at PHS while also pursuing a Bachelor’s degree in Business Administration at Lake Michigan College.

In her free time, you could find her playing volleyball, spending time outdoors, camping, or hanging out with friends and family. Brooke is ambitious and willing to help anyone in need.

Mike Duensing, Chief of Facilities

Mike Duensing
Chief of Facilities

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