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Our Professional Staff

Thomas Parry

Thomas Parry

Both my wife, Emily, and I were born and raised in Appleton. I have always wanted to work and raise my family in this area. The opportunity to continue the mission Dr. Thelen started 30 years ago is a perfect fit for myself. I entered into Audiology because I wanted to be part of a profession which is focused on helping those in need while maintaining a rich patient-provider relationship. The most enjoyable part of my profession is the amount of time I am able to spend with each patient. My goal for this practice are to continue to provide the highest quality of hearing health care based on each individual’s needs. My wife, Emily, and I have two sons, Henry and Jack, and we enjoy hunting, fishing and just about any outdoor activity in our spare time. 


  • 12 Years Catholic Education in Appleton
  • 4 year Bachelor of Science in Communication Sciences and Disorders  from UW-Milwaukee
  • 4 year Doctor of Audiology (Au.D.) from Western Michigan University

Work History

  • 4 years at ENT clinic specializing in Electrophsiology and Vestibular  Disorders
  • 2 years at VA Medical Center in Battle Creek Michigan
  • 4 years managing and running private practice in Central and Northern Wisconsin


  • Married to Emily
  • 2 boys: Henry and Jack
Diane Miller

Diane Miller
Front Office Coordinator

Hi, my name is Diane and I have been with Audiology & Hearing Services since 2014.  I enjoy working directly with Dr. Parry and truly appreciate the opportunity to be a part of enriching our patient's life through improved hearing.  I am the proud mother of two amazing sons.  In my spare time I enjoy reading, gardening and spending time with my family and friends.  

Nicole Verstegen

Nicole Verstegen
Front Office Coordinator

Hi, my name is Nicole and I am happy to have recently joined Audiology and Hearing Services in 2020. I have a passion for maintaining and organizing operations, along with being skilled in customer service and relations.  I help maintain the schedule, assisting patients with checking in and out, billing and numerous other tasks.  I am truly humbled to have the opportunity to be a part of Dr. Parry’s practice and help our patients' lives through improved hearing. I’m married and a proud mother of two awesome boys. In my spare time I enjoy long walks, going swimming on hot summer days, cookouts and spending time with my family and friends.