Oticon Alta2 New world of softer sounds

Northern O.C. Hearing Center

1955 Sunnycrest Dr Ste 108
Fullerton, CA 92835 US

Call (714) 888-4791

Website: http://nocaudiology.com

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Clinic staff

Maria Grijalva


Doctor of Audiology Maria Grijalva specializes in the diagnosis and treatment of hearing and balance disorders. Dr. Grijalva earned her bachelor’s degree in communication disorders from California State University of Fullerton and her doctorate degree at Nova Southeastern University in South Florida. She has had the privilege of volunteering globally (Guatemala and Miami, FL) to provide the gift of hearing to those who are less-fortunate or in areas with limited audiological access. Throughout her career, she has developed an exceptional background in hearing devices, audiological assessments, and dizziness and balance disorders. Dr. Grijalva prides herself on prioritizing patient care and patient satisfaction.


James Lee


Dr. James Lee earned his Medical degree from Rush Medical College has been practicing his medical expertise for over 14 years. He provides complete diagnostic hearing  care services to patients of all ages. He is a member of the Diplomate American Board of Otolaryngology and a faculty member at the University of California, Irvine.
When not working he enjoys playing golf, both fresh and salt-water fishing, and day hiking in the Los Angeles mountains.

About this clinic

Northern Orange County ENT provides complete diagnostic audiological services to assess hearing, as well as rehabilitative services to provide hearing aids, assistive devices and aural rehabilitation. We treat patients of all ages and offer the most advanced hearing devices that are available in a variety of styles including digital and programmable. We can help you make the best choices with all of your hearing needs.

Clinic services

We provide full comprehensive hearing services including:
•Complete hearing evaluation and testing
•Evaluation of dizziness and balance problems
•Tinnitus evaluation and testing
•Hearing aid evaluation and dispensing
•Hearing aid adjustment and servicing
•Custom ear protection
•Assistive listening devices
•Specialized auditory testing

Clinic's hours of operation
Sunday Closed
Monday 9:00 am - 5:00 pm
Tuesday 9:00 am - 5:00 pm
Wednesday 9:00 am - 5:00 pm
Thursday 9:00 am - 5:00 pm
Friday 9:00 am - 5:00 pm
Saturday Closed
Accepted payment types at this clinic
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