Our Staff

Elizabeth Zhelev, NBC-HIS

Nationally Board Certified Hearing Instrument Specialist

Elizabeth is a Nationally Board Certified Hearing Instrument Specialist with over 14 years of experience. She made a career change in 2011, drawn by her family’s legacy in the hearing profession. Prior to this, she earned a Bachelor of Science in Biology from UNLV and worked in cancer research. Elizabeth, a Las Vegas native, is also a devoted mother and wife.

Emily Jensen Au.D.


In April 2022, Dr. Jensen became a member of the team at Hearing Centers of Nevada. With experience in audiology private practice and ear, nose, and throat settings, she brings a wealth of knowledge to her role. Dr. Jensen’s expertise lies in addressing hearing and balance disorders in both pediatric and adult patients. She is skilled in fitting hearing aids, bone-anchored hearing aids, and cochlear implants for individuals of all ages. Dr. Jensen is eager to assist you in achieving your hearing goals!

Heather Castellano, NBC HIS, HSA #3123

Hearing Instrument Specialist

Heather Castellano is the owner operator of hearing centers of Nevada. 

She has 22 years of experience in the healthcare industry. She has spent 12 years working with the geriatric population with an emphasis in dementia care and prevention and education. 

Heather Castellano, is a Nationally Board Certified Hearing Instrument Specialist and Tinnitus Care Provider, holding a certificate from the IHS. She brings 22 years of healthcare experience to her role as owner-operator of Hearing Centers of Nevada. With a focus on geriatric care and dementia prevention, Heather expanded the practice’s services to include community care protocols for 17 long-term care facilities in the Las Vegas Valley. She leads a team that serves various demographics, including Veterans and Department of Labor claimants, while also spearheading philanthropic initiatives within the community. She is a Starkey CEO Circle member, and 4 time Best of Las Vegas recipient. When she is not working, Heather spends time with her amazing family. She enjoys volunteering her time to help those in need and is currently taking classes to begin a non-profit agency geared toward helping those with hearing loss and limited means obtain prescriptive amplification devices.

Heather Castellano is now a Tinnitus Care Provider. Holding a Certificate from the International Hearing Society.

Victoria Sit, Au.D.


Dr. Victoria Sit recently graduated from Pacific University and joins our team with a wealth of experience. Born and raised in California, she has lived across the West Coast. Dr. Sit has worked with a diverse age range, from newborns to the elderly. She comes to us from the Las Vegas VA, where she served the veteran population, and is eager to expand her services at HCN. Dr. Sit specializes in progressive tinnitus management and aims to obtain her certification to further assist the community. Married to her high school sweetheart, Ben, they share their home with two golden retrievers, Fynn and Kai. Family-oriented, Dr. Sit spends her time with loved ones when not in the clinic.

Kathryn Munda, HIS Apprentice

Hearing Instrument Specialist Apprentice

Kathryn Munda, a Hearing Instrument Specialist Apprentice, and our Front Office Administrator, adds a fresh and youthful perspective to the team. She is known for her creativity and outgoing nature. As she embarks on her apprenticeship journey, Kathryn looks forward to contributing to the business and assisting clients with her warm demeanor. When Kathryn is not working and studying, she enjoys music, great food, and spending time with her adorable cat Dottie.

Jenny Young

Office Manager

Jennifer Young, is HCN’s Office Manager, and has been an integral part of Hearing Centers of Nevada since its inception. With a background in Business Management and over 8 years of experience working in geriatric health services, Jenny has played a key role in developing initiatives such as the mobile hearing care unit and quick reimbursement submission protocol. She is an expert in credentialing, and handles day to day office operations. Jennifer specializes in insurance billing, Veterans Affairs, and Department of Labor Claims. She holds a bachelor’s degree in Business Management from the University of Phoenix. In her spare time, Jennifer enjoys spending time with her family and her dogs. She is an avid Golden Knights fan! Go Knights Go!

Danielle Kolodziej

Front Office Administrator

With a stellar 8-year background in administrative roles, Danielle Kolodziej brings a wealth of expertise to our front office team. Known for her exceptional organizational skills and attention to detail, she has consistently ensured smooth operations in various administrative capacities. Beyond the professional realm, Danielle is a dedicated softball enthusiast who finds joy in the camaraderie of the game. Her commitment to excellence extends to her personal life, where she treasures quality time spent with her family. We are delighted to welcome Danielle to our team, where her passion for efficiency and teamwork will undoubtedly contribute to our success.

Patient Reviews

Read a Few of Our Google Reviews

5 out of 5 Stars based on 326 Reviews on Google.

Read what some of our patients have to say about our staff and our office!

The staff are very nice and took really good care of my husband

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Janee Webster, on Google

Wonderful staff. Very caring, helpful and knowledgeable. I've been with this hearing center about one year and it's always a pleasure when I visit. I'm never rushed through my visit. They always spend time with me to make sure I am satisfied and my questions are answered.

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Sharon Pryor, on Google

Very professional, knowledgeable and informative. As a new user the teaching was invaluable. Kudos to all involved.

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Tracy Reiss, on Google

Heather truly cares about me having a positive experience with my hearing aids. She is very clear when explaining various processes I may experience.... she knows her product in detail! It's very rewarding that when I am at her office I know and feel she is sensitive and focused on...

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Happy Hoof Beats, on Google

I went to Hearing Center of Nevada a few months back for a hearing test and consultation and was so impressed with the whole experience. Everyone there from the receptionists to Dr Heather Castelleno were so pleasant and thoughtful during my appointment, also the Doctor took all the time needed...

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Annie Evans, on Google

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Elliot Justin, on Google

Staff is very friendly and helped tremendously with my issue If you dont need hearing aids they will tell you instead of trying tell sell you something you dont need highly recomend this place!

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Mark Roberts, on Google

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Tamara Jezzard, on Google

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MamaKat, on Google

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JL M, on Google

These girls take real good care of me. My ears are pretty bad. I hear pretty good now. They care n that's Cool!

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Toni Sauer, on Google

I love the people here and the professionalism is over and above the norm. I am thrilled with my hearing aids. I never expected such success!

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Kathi Hansford, on Google

Hearing Centers of Nevada in Pahrump I would highly recommend. There waiting area has a very home typed atmosphere. The staff is very kind, understanding, helpful and they make sure you are completely aware of your hearing needs before you leave. Highly recommend

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Gina Martin, on Google

Felt like my hearing issues were extremely important to them. They fit me perfectly with aides and made sure I could use them properly. I highly recommend them

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Jody Padfield, on Google

This is the best experience I've ever had for hearing aids! Heather is so tentative to my needs! Wonderful experience! She doesn't stop until you are satisfied! Casey at front desk is also helpful for appointments and great at even making adjustments! Do not hesitate to go there ! You...

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Jim Keefer, on Google

I received my hearing aids through the VA and I couldn't be more pleased with them and the service subsequently. My wife git hers there and we go in regularly for a cleaning and tune ups as needed. The staff is very helpful and patient when we have problems or...

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Bob King, on Google

I stopped in their Pahrump location because I was having a problem with a broken hearing aid. Katherine, I believe her name is Katherine, was very helpful. She knew exactly what I needed and explained what I needed to do so I could get my needed repairs done. This was...

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Jon Landa, on Google

Everyone was great and thank you for being there. They are always there for all of us here.

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Daria Lee, on Google

Heather was very invested all the way during the process of my hearing tests and hearing aid selection.

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Shaun Upton, on Google

Very professional office. Answered all my questions and resolved my hearing aid issues.

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Roger Hess, on Google

Professional and friendly providers.

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Christina Aberle, on Google

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Chris Hemminger, on Google

Hearing Center of Nevada in Pahrump is the best hearing center in the state. Heather is knowledgeable and so very patient and works to make sure your hearing devices are performing as well as possible. I highly recommend this office to anyone looking for a hearing specialist.

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Pamela Raneri, on Google

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Violet McKay, on Google

Very impressed with this place! Professional and knowledgeable audiologist and staff.

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Jim Huntington, on Google