Meet Us

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Leigh Kjeldsen, Au.D. Audiologist
Dr. Kjeldsen graduated from Claremont McKenna College and received her Masters Degree from San Francisco State University in Audiology. She graduated from the Pennsylvania School of Optometry and Audiology with her Doctor of Audiology degree in 2000 and joined Valley Audiology. The best part of her day is seeing her patients’ smiling faces when they tell her all the new things they are hearing.
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Debbie Lockary, Hearing Instrument Specialist
Appointments are available with Debbie for discussions about new hearing aids, hearing aid repairs, hearing aid reprogramming and maintenance questions.  Debbie is often available the same day or the next day to help with your hearing aid issues.  She is an excellent problem solver and our patients often praise her for her customer service.   Debbie is also our insurance expert so if you have questions about your bill, give Debbie a call.
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Ray Crookston, Au.D. Audiologist
Dr. Crookston graduated from Utah State University and earned his Doctor of Audiology degree from Central Michigan University. He has been practicing for more than15 years, having worked in several practices in the Bay Area before joining Valley Audiology. His warm and caring personality is reflected in the individualized attention he provides each patient.
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Sintia Mejia, Front Office Coordinator
Another smiling face based in our Concord office is Sintia who keeps the front office running smoothly.  She answers the telephone and schedules appointments while checking patients in and out of the office.  If you need an appointment, have a question about forms or need something from your chart, Sintia can help.

Office Locations

Office Locations


Concord Office
2415 High School Ave. #300
Concord, CA 94520
tel: (925) 676-8101
fax: (925) 676-8420


Walnut Creek Office
John Muir Outpatient Center
1220 Rossmoor Parkway
Walnut Creek, CA 94595
tel: (925) 676-8101
fax: (925) 676-8420
(925) 676-8101