At OpenEar Audiology, we bring personalized hearing care directly to you, providing professional audiology services in the comfort of your home, office, or community setting throughout Roseville, Rocklin, and Lincoln, California.
By meeting patients in the environments where they experience the most hearing difficulty, we gain valuable real-world insight into the situations that matter most. This allows us to better understand, evaluate, and address hearing challenges where they actually occur.

Our mission is to make expert hearing healthcare more convenient, accessible, and patient-centered by combining modern technology with compassionate, individualized care tailored to your everyday life.

Meet Dr. Jennifer Castle, Au.D.
Dr. Jennifer Castle earned her Bachelor of Science degree from California State University, Sacramento in 2008 and her Doctor of Audiology degree from A.T. Still University in 2012.
She has 15 years of experience in audiology, with more than 8 years working in otolaryngology (ear, nose, and throat) at Sutter Medical Center in Roseville. This diverse clinical background allows her to bring a wealth of expertise and knowledge to every patient interaction at her audiology clinic.
As a CODA (Child of Deaf Adults), with both parents being Deaf, Dr. Castle is fluent in American Sign Language and has a unique lifelong perspective on communication, hearing loss, and the importance of individualized hearing care.
With a passion for personalized service and patient education, Dr. Castle founded OpenEar Audiology to provide a more convenient and comfortable alternative to the traditional clinic experience. By bringing audiology services directly to patients, she helps remove barriers to care while delivering the same high standard of professional expertise expected from a modern hearing practice.
Outside of helping people hear better, she enjoys spending time with her husband and two boys, 3D printing and planting.

Our hearing evaluations are thorough and designed to provide you with a complete understanding of your hearing needs. We use advanced diagnostic equipment and offer a range of hearing test, including pure tone audiometry and speech audiometry.
We offer a wide selection of hearing aids from top manufacturers, and our audiologist will work with you to find the perfect fit for your unique needs and lifestyle. Our hearing aid fittings are tailored to your specific hearing loss and preferences.
If you suffer from tinnitus, our audiology clinic can help. We offer a variety of treatment options, including sound therapy and counseling, to manage your symptoms and improve your quality of life.
We offer custom earmolds for hearing aids, earplugs, and earbuds to ensure a perfect fit and maximum comfort. We also provide custom hearing protection for musicians, hunters, and anyone exposed to loud noise.
We offer a variety of assistive listening devices designed to help you hear better in challenging environments, such as noisy restaurants or group conversations. Our experienced audiologist will work with you to find the perfect solution tailored to your needs.
Our audiologist can provide education and resources for hearing loss prevention, including workplace hearing protection and custom earplugs for musicians and anyone exposed to loud noise.
Roseville, Rocklin and Lincoln, California