Dr. Sandra Wendschlag


Dr. Sandra Wendschlag has been practicing Audiology since 1986. Prior to opening Landmark Hearing Services in 1997, she worked 11 years as a hearing care specialist for a large audiology group.In 1986, she received her Masters degree in Audiology followed by earning her Doctorate degree through Arizona School of Health Science in 2003. As a licensed professional she continues her education hours staying at the cutting edge of the hearing care industry.Consumer Business Review named Dr. Sandra, Sunnyvale’s “Audiologist of the Year.” . Since the beginning, her practice has been centered on professionalism, personal care and integrity.

Dr. Brandon Cyrus


Dr. Brandon Cyrus has been a practicing audiologist since 2016. Prior to joining the team at Landmark, Brandon worked as a diagnostic audiologist for an otolaryngology clinic. His fourth year externship placements were with Penn State Hershey Medical Center and Liberty Hearing Centers, a private-practice audiology clinic in Brooklyn, NY. Brandon graduated with Dual Bachelor of Arts (B.A.) degrees in Speech and Hearing Sciences and Linguistics from The Ohio State University in 2010. He continued on to earn his Doctorate of Audiology (Au.D.) from The Ohio State University in 2016. His graduate capstone studied the use of self-help books for patients dealing with tinnitus, an area the American Academy of Otolaryngology identified as a need for further investigation.

Heidi Nunez

Audiology Assistant

For the past 10 years, Heidi has been an important member of Landmark Hearing Services. As the Office Manager and Audiology Assistant, she’s responsible for office administration duties and assisting with our patient care. She has earned her Associates Degree in Medical Assisting and is a Registered Audiology Assistant.

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