Meet Our Audiologists
Improving your hearing starts with a hearing test and full evaluation with an audiologist. At Duncan-Nulph Hearing Associates, we’re committed to helping you hear again.
Talk to the experts.
Dr. Kristen Duncan, Au.D.
OwnerDr. Kristen Duncan, Au.D. is a graduate of the Doctoral Program in Audiology from the Pennsylvania College of Optometry. In addition, Dr. Duncan holds a Master’s degree in Audiology from Bloomsburg University as well as a B.S. in Communication Disorders from the University of Pittsburgh. With 23 years of clinical experience in audiology, much of her career has focused on diagnostic testing and treatment of patients with hearing impairment. Dr. Duncan’s special interests include patient counseling and hearing aid fittings using the latest digital technology.
A native of Central PA, Dr. Duncan resides in Mechanicsburg with her husband and son.
Dr. Danette Nulph, Au.D.
OwnerDr. Danette Nulph, Au.D. has been an audiologist treating patients with varying degrees of hearing loss for over 20 years. Throughout her career, she has worked in various settings focusing on diagnostic testing and treatment of patients with hearing impairment. She is currently a Pennsylvania licensed Audiologist where she is working in private practice.
Dr. Nulph obtained her B.S in Communication Disorders from the University of Pittsburgh and a Master’s degree in Audiology from Bloomsburg University. In 2007 Dr. Nulph obtained her Doctorate degree in Audiology from the Pennsylvania College of Optometry, School of Audiology.
Dr. Nulph takes special interest in improving her patient’s communication needs by fitting the latest in digital hearing aid technology. She has had further training in the management of tinnitus.
In her spare time, Dr. Nulph enjoys spending time with her two daughters in Mount Wolf, PA.
Dr. Michelle Tewell, Au.D.
AudiologistDr. Michelle Tewell, Au.D. obtained her Doctorate Degree in Audiology from Bloomsburg University in 2016 and her B.S. in Speech Pathology and Audiology from East Stroudsburg University in 2012. Dr. Tewell’s past clinician experience has allowed her to work with a wide variety of audiological services and patient populations, from pediatric to geriatric, in various settings. She takes special interest in working with patients to better understand their hearing and communication needs.
Dr. Tewell is a fellow of the American Academy of Audiology (FAAA) and holds the American Speech and Hearing Association (ASHA) Certificate of Clinical Competence in Audiology (CCC-A). Dr. Tewell currently resides in Mechanicsburg, Pa where she enjoys spending time with her family, friends and her dog Hack.
Meet The Staff
Office Care CoordinatorJennifer Black has been in human services for 13 years and has spent 5 of those years with Duncan-Nulph Hearing Associates. She began her career with Duncan-Nulph in September 2013 as a front office personnel and quickly became an asset to our company. Her sunny, friendly personality instantly welcomes patients when they walk through our door. She takes pride in knowing patients leave our office feeling satisfied with the help they have received and loves knowing she had a hand in making them hear well again.
Jen enjoys spending her spare time with her husband and their 3 children in Mount Holly Springs, PA.
Office ManagerLoni Wagner has over 10 years in the human services field. She began her career with Duncan-Nulph Hearing Associates in October 2015 as front office personnel and transitioned to office manager in January 2016. She is committed to ensuring all patients have a professional, pleasant experience while visiting our office and enjoys seeing the patient satisfaction that comes along with providing excellent patient care.
Loni enjoys spending her spare time with her husband and 4 children in Dillsburg, PA.