About Davenport Audiology & Hearing Aid Center

Why choose Davenport Audiology/Hearing Aid Center

for your hearing health care provider?

The staff at the Davenport Audiology & Hearing Aid Center has been providing professional hearing health care services to eastern Iowa and western Illinois since 1957. Founded by William Syers Sr. in the late 1940s, Davenport Audiology & Hearing Aid Center was incorporated in 1957 when William Syers Jr. joined the practice. In 1982 Dr. Micheal C. Hartman, Au.D., current corporation president, joined the family practice. Today, we have four outreach clinics to better serve the bi-state area. In Illinois those locations are Aledo, East Moline, Geneseo, and Princeton.

We work with several insurance companies.

A partial list:

Federal Blue Cross Blue Shield
Blue Cross Blue Shield of Iowa/Illinois
J.I. Case/New Holland
Navistar (International Harvester)
and others.

Call our office for further listings.

We provide the best

in hearing health care and clinical services:

  • Diagnostic hearing/hearing aid evaluations
  • Follow-up visits
  • Real ear measurements (REM)/speech mapping 
  • Latest in digital technology
  • Preventive maintenance and repair service
  • Hearing aid accessories
  • Assitive listening devices
  • Ear molds for swimming/ shooting/ industry/ noise
  • Audiologic rehabilitation/counseling
  • In home appointments
  • Warranty PLUS-extended warranty protection for your hearing system
Hearing Test Davenport


The success of assisting those with hearing impairments and running a small business has been passed down for three generations. For 35 years, Dr. Hartman has fitted thousands of hearing aids.

“Experience you can trust with your hearing needs.”



Serving the Quad City area since 1957, helping individuals improve their quality of life with better hearing.

“A reputation built on trust.”


Davenport Audiology & Hearing Aid Center is committed to making quality hearing health care affordable.

“Cost we can help you afford.”

“Professional audiology care you can trust.”



Dr. Hartman obtains yearly continuing education and attends seminars in the subject areas of amplification technology and audiologic rehabilitation/counseling. This allows him to offer his patients the best quality of services possible. His training and experience makes Dr. Hartman among the most uniquely qualified audiologists in the Quad City area.

“Credibility you should expect.”



Davenport Audiology & Hearing Aid Center Inc. stays abreast of learning and utilizing the latest in amplification technology and audiologic rehabilitation/counseling techniques for individual hearing losses.

“Technology you can rely on.”

Dr. Hartman

Micheal C. Hartman, Au.D.has been assisting individuals with hearing loss in the Quad City area for over 35 years.  Dr. Hartman originated from northeast Kansas and settled in the Quad City region after his father retired from the military.  He received a BA degree in Biology from Wabash College, Crawfordsville, Indiana; an MA in Audiology from Western Illinois; and his Doctor of Audiology from the University of Florida, Gainesville.  Following his externship in 1982 with the Physician and Surgeon Clinic, Quincy, Illinois, Dr. Hartman joined the family practice at the Davenport Hearing Aid Center, Inc. in 1982 as staff audiologist.  He received his entry level Certificate of Clinical Competency (CCC-A) from the American Speech-Language-Hearing Association in 1982.

Dr. Hartman is married to the former Chryss Syers and they have three children, Andy, Aimee, and Tony, and two grandchildren.  In 1995 they purchased Davenport Hearing Aid Center from Chryss’s father, continuing the family practice for three generations.  Dr. Hartman is licensed as an audiologist and hearing aid dispenser in Iowa and Illinois.  He is a former board member and president of the Iowa Hearing Association and former board member of the Audiology Foundation of America.  Dr. Hartman is a member of the Iowa Hearing Association, American Academy of Audiology, Academy of Dispensing Audiology and the Illinois Academy of Audiology.  Dr. Hartman has presented at state association meetings, long-term nursing care facilities, and intermediate care facilities.  In his spare time, he practices taekwondo/kickboxing and enjoys gardening, seasonal outdoor activities, and family activities.

Dr. Hartman

Our Staff



Kay is the Insurance Manager and has worked for Dr. Hartman for 19 years.  Her multifaceted job description includes: Filing insurance claims, scheduling patients, and addressing patient’s concerns and questions.  In her off hours Kay likes to work out, take in a show, read a good book, travel abroad, dance and “of course” go out to eat with friends. When asked what she likes most about her job she said, “I enjoy assisting patients obtain the help they need to hear better, and working with a great staff.”



Brenda has been with Davenport Audiology since 2016 as Patient Care Coordinator.  Brenda is a Quad Cities native and enjoys working out, music and family.

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Sandy Thiele lives in Durant, Iowa with her husband. She is in Marketing, creating the cards for the newsletters, open houses, birthdays and Christmas. In her spare time she works with children at Wilson elementary school with Quest for Christ. She is also financial coordinator for Stonecroft Ministry. She likes to walk her dog Pollyanna, which many patients have met in the office, do puzzles, read and go to Florida to visit her two daughters and husbands and three grandchildren.

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