Duncan-Nulph Hearing Associates

5020 Ritter Rd Ste 106 Mechanicsburg, PA 17055
(717) 516-6744

A message from Duncan-Nulph Hearing Associates about COVID-19:

We're happy to announce that we're open and seeing patients! We're following CDC guidelines for health and safety. Please call today to schedule your appointment.


Photo of Kristen Duncan, AuD from Duncan-Nulph Hearing Associates

Kristen Duncan,


Dr. Kristen Duncan has over 22 years of clinical audiology experience. She earned her Doctoral in Audiology from the Pennsylvania College of Optometry and holds degrees from the University of Pittsburgh and Bloomsburg University. Her focus has been on diagnostic testing and treatment of patients with hearing impairment with a special interest in patient counseling and hearing aid fittings using the latest digital technology.

Photo of Danette Nulph, AuD from Duncan-Nulph Hearing Associates

Danette Nulph,


Dr. Danette Nulph earned her Doctorate degree in Audiology from the Pennsylvania College of Optometry and has over 19 years of experience. She has worked as a clinical audiologist in North Dakota for 3 years in a hospital and rehabilitative setting before moving back to PA. She obtained certification in the Tinnitus Retraining Therapy which offers treatment for patients suffering with tinnitus and most recently, Dr. Nulph was part of an Audiology team providing diagnostic and rehabilitative services in an ENT office.

Photo of Michelle Dukes, AuD from Duncan-Nulph Hearing Associates

Michelle Dukes,


Dr. Michelle Tewell earned her Speech Pathology and Audiology from East Stroudsburg University and her Doctorate Degree in Audiology from Bloomsburg University. Her experience includes a wide variety of audiological services and patient populations, from pediatric to geriatric, in various settings. Her specialties include working with patients to better understand their hearing and communication needs. Dr. Tewell is a fellow of the American Academy of Audiology and holds a Certificate of Clinical Competence in Audiology from the American Speech and Hearing Association.


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Healthy Hearing posts all positive and negative reviews that meet publishing criteria.

Read 91 verified patient reviews for Duncan-Nulph Hearing Associates! Their average review score is 4.99 () from 91 reviews.

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“Dr Dukes. Great, Efficient, talented Doctor”

Clare D. of Mechanicsburg, PA   
11/06/2022    Review submitted online

“I was seen by Dr Duncan in 2015 and just picked my second pair Sept 28. 2022. Dr.Duncan is easy to work and she is very patient and fully explains how to care for the aids. My knew ones i was putting them wrong and damaged the wires. She took them and replaced the wires and show me what i was doing wrong. I would recommend her and this clinic to anyone.The office support staff is also very good and can help out a lot.”

Kenneth P. of Camp Hill, PA   
09/29/2022    Review submitted online

“I am very pleased with my visits with Duncan Nulph Hearing Associates.”

Barbara B. of Mechanicsburg, PA   
09/26/2022    Review submitted online

“Simply wonderful experience. Dr. Nulph is professional and caring”

Jeanne B. of Harrisburg, PA   
09/19/2022    Review submitted online

“Dr. Duncan is a highly skilled Audiologist with great compassion and a background in gerontology. She is able to connect with all levels of patients and efficiently diagnosis issues with great empathy and clear explanations. I can not recommend her more highly.”

Dyane W. of Carlisle, PA   
08/30/2022    Review submitted online

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Clinic details

Improve your hearing, improve your life

Duncan-Nulph Hearing Associates offers complete hearing care services to patients of all ages. Our highly experienced clinical professionals provide comprehensive testing, evaluations and offer the most advanced hearing devices that are available. We can help you make the best choices with all of your hearing needs and obtain a better quality of life through better hearing.

Hearing care services

  • Comprehensive hearing testing including air conduction, bone conduction and speech reception
  • Tympanometry to assess middle ear function
  • Hearing aid consultation
  • Hearing aid fitting, focusing on the latest available hearing aid technology
  • Hearing aid service and repair on most makes and models
  • Hearing aid verification 
  • Custom earmolds for: hearing aids, musician's earplugs and monitors, recreation (shooting, motor sports, etc) , swim earplugs, custom earplugs for iPods, Bluetooth headsets
  • Assistive Listening Devices: TV Ears, amplified telephones, doorbell signalers
  • Full line of accessories and products for hearing aids
  • Battery club
(717) 516-6744

Hours of operation

Monday8:30 am - 4:30 pm
by appointment
Tuesday8:30 am - 4:30 pm
by appointment
Wednesday8:30 am - 4:30 pm
by appointment
Thursday8:30 am - 4:30 pm
by appointment
Friday8 am - 12 pm
by appointment

Clinic links

Accepted forms of payment

  • Visa
  • MasterCard
  • Discover
  • Cash
  • Check
  • Debit
  • Insurance accepted, please call for details
Disclaimer: This clinic profile is for general information purposes only.
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