Professional Staff

Jeff Zolt, Au.D. – Audiologist

Dr. Zolt serves our Silver Spring, Maryland location. He received his undergraduate degree from Miami University of Ohio, his masters degree in Audiology from the University of Maryland, and his Doctor of Audiology degree from the Arizona School of Health Sciences. Prior to joining Auditory Services he served as an audiologist at Johns Hopkins Hospital. Jeff is also a musician and songwriter, and can sometimes be heard playing a guitar or bass around the office.


Kathy Grace, Au.D. – Audiologist

Dr. Grace primarily serves our Potomac, Maryland location. She received her undergraduate and masters degrees from the University of Maryland and her Doctor of Audiology degree from the Arizona School of Health Sciences. Before joining Auditory Services, she served as an audiologist in an otolaryngology office in Washington, D.C. and a private practice in Frederick, Maryland. Kathy enjoys spending time in her garden and hanging around with her dogs.


Karen McMakin – Office manager: Silver Spring

When you call the Silver Spring office, you will most likely speak to Karen first. Karen joined Auditory Services in November of 2008. She is great at helping you with what you need, whether it is a new appointment, a follow-up visit, or some supplies. In addition to her proficiency with medical billing, Karen is skilled in assessing hearing aids and can resolve many issues right at the front desk.


Karen Moshel – Office manager: Potomac

Karen joined us for the opening of the Potomac location in 2013. She has a strong background in corporate accounting and over 15 years of experience in finance, billing and customer service. Karen is standing by to help you with appointments, billing, supplies and questions in Potomac.