About Us



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About the Practice


Our Doctors of Audiology and Wonderfully Helpful Staff

Since 1992, Professional Hearing Services, Inc., has been helping many people just like you by enhancing their quality of life and increasing their communication abilities. You will find our clinic to be fully equipped with modern, state of the art equipment in a comfortable, pleasing environment. We strive to stay on the cutting edge of the rapidly changing advances in preserving hearing and hearing aid technology. Our audiologists are much more than doctors; we are consultants, experts, and friends. Your communication needs are our main focus. The doctors possess the highest credentials in the industry and are members of state and national professional hearing organizations and groups. We are proud to be your local hearing experts for all of your hearing and communication needs.

Our Hearing Professionals


Jeff Baller, Au.D., CCC-A

Board Certified Doctor of Audiology

Dr. Jeff Baller is the owner of Professional Hearing Services, Inc. He is a Board Certified Doctor of Audiology through the American Board of Audiology. He received his Doctorate from the Arizona School of Health Sciences, his Masters degree from Lamar University in 1995, and Bachelors degree from the University of Northern Colorado in 1993. He knows a successful, honest, hard working company when he sees one and has been with Professional Hearing Services, Inc. since graduation over 23 years ago. Dr. Baller has worked in a variety of settings, most prominently as a private practice clinician and in nursing homes and assisted living settings. Dr. Baller is an expert in practice and knowledge of the most advanced hearing aid technologies available and explains the features to each patient in a unique personal manner that is easy to understand. He is a very driven, motivated professional who strives to provide the best treatment possible given each individuals unique communication demands. Dr. Baller is determined to buck the trend of manufacturer owned hearing aid stores and remain a leading independent audiology private practice and continue to be your local hearing expert. He is dedicated to enhancing his patients’ communication needs by providing uncompromising hearing healthcare. He has been married for 25 years, has 3 beautiful, happy children and enjoys playing tennis, traveling, gardening, and reading about the history of our great country.

Mary-Todd Moseley, Au.D., CCC-A

Doctor of Audiology

Dr. Mary-Todd Moseley is a clinical audiologist at Professional Hearing Services, Inc. As a native of North Carolina, she received her undergraduate degree from Appalachian State University, followed by her Doctorate of Audiology from East Tennessee State University. Dr. Moseley works with patients in a variety of settings. Not only does she see patients in the clinic but also travels to nursing homes, assisted living centers, private homes, and wherever someone would need our services. During her final year of school, she did her clinical externship in Englewood, Colorado. Upon her arrival to Colorado, she met her fiance and was married in beautiful Telluride! Though work and family time with her 2 beautiful and very active children is a large part of her life at the moment, she also makes sure she has time for her favorite hobby, running! She is excited to be apart of such a great team at Professional Hearing Services, Inc and looks forward to serving those with hearing loss and tinnitus in both our office and in nursing homes and assisted living communities.

Dr. Bree Koncak

    Dr. Bree Koncak

    Doctor of Audiology

    Dr. Bree Koncak joined Professional Hearing Services, Inc. in November 2016. She received her undergraduate degree from the University of Nebraska and her doctorate from the University of Kansas. Being an avid outdoor enthusiast, she moved to Colorado with her husband to join our team and begin her career. Dr. Koncak’s engaging personality and professionalism help improve the lives of our patients by offering personalized care plans and options.

    Dr. Seth King

      Dr. Seth King

      Doctor of Audiology

      Dr. Seth King joined Professional Hearing Services in July of 2018. Dr. King received his Bachelor of Arts degree in Communicative Disorders from the University of Redlands in 2012, and his doctorate in Audiology from The University of Texas at Austin in 2016. Dr. King joined the Professional Hearing Services following 3 years spent with another private practice in the Denver metro area. Dr King specializes in the fitting and dispensing of hearing aids, striving to provide the highest quality of hearing healthcare possible. Outside of audiology, loves to snowboard, play golf, fish, and spend time with his girlfriend, Alex, and their dog, Toby.

      Melissa Patterson

        Melisa Patterson

        Practice Manager

        Melisa is a bright, smiling face you first see at Professional Hearing Services, Inc., and the sweet voice you speak with on the phone. She joined our family a year ago and is our dedicated Practice Manager. She loves her puppies at home, rodeos, and is a newly wed!!!

        Sundee Fogerty

          Sundee Fogerty

          Brand Ambassador/Audiology Assistant

          Sundee joined Professional Hearing Services, Inc. in May 2018 as our Brand Ambassador and Audiology Assistant. She worked in the Veterinary field as a Certified Veterinary Technician for the 8 years prior to joining our team. She loved working with animals but was very excited for the new direction in her career path. She is originally from Montana but moved to Denver in 2010. She enjoys anything outdoorsy, exploring with her two dogs, live music especially country, and a sunny rooftop patio day.

          Maria Zamora

            Maria Zamora

            Office Manager/Audiology Assistant

            Maria is our office manager and audiology assistant.. She has been a valuable team member with Professional Hearing Services, Inc. for 10 years. “I enjoy coming into the clinic every day because it is very satisfying to me to be able to help people hear better.” She is a busy single mother of 6 and likes to spend as much time as I can with them. In her down time she enjoys going to movies, walking around the lake, and traveling.


            Mobile Services

            We bring modern hearing care solutions directly to your primary residence.

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            Hearing Aid Solutions

            A wide selection of hearing aid products to suit your hearing loss needs.

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            Ear Wax Removal

            Fast relief from discomfort and hearing impairment caused by earwax buildup.

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